Cleansing articles containing isolated benefit areas

专利摘要:
The present invention relates to an article suitable for cleansing containing: a) a substrate sheet containing 1) a first substrate layer, and 2) a second substrate layer attached to the first layer; b) a cleansing component disposed adjacent the substrate sheet; And c) a therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component. In a preferred embodiment, a second substrate layer is sewn to the first layer to form one or more storage enclosures on one or more surfaces of the substrate sheet, wherein the storage enclosures consist of shapes, designs, logos, and combinations thereof. It relates to the article in the form selected from the group consisting of. In another embodiment, the cleansing articles of the present invention may be modified to confer only therapeutic benefit. Such articles contain: a) 1) a first substrate layer, and 2) a second substrate layer attached to the first layer; And b) a therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component. The invention further relates to a method of using the disclosed article.
公开号:KR20030005170A
申请号:KR1020027009694
申请日:2001-01-25
公开日:2003-01-17
发明作者:벡페트라헬가；로렌지마르크폴；핍스니콜라잭클라인
申请人:더 프록터 앤드 갬블 캄파니；
IPC主号:

专利说明:

Cleansing Items with Insulated Profit Areas {CLEANSING ARTICLES CONTAINING ISOLATED BENEFIT AREAS}
[3] Cleansing products have evolved into various product forms during their use in civilized societies. Exemplary product forms include solid bars, lotions, gels, creams, and the like. However, in either form, most forms are attempted to achieve the same goal of providing a user with a mild, irritating, non-drying, refreshing, clean feeling of bath or cleansing experience. Ideally such benefits are derived with additional esthetic benefits such as moisturizing or some other type of therapeutic treatment.
[4] At present, activities such as physical fitness and constant athleticism are becoming an integral part of consumer life. As a result, features of personal care products that are becoming increasingly important to consumers include current safety, efficacy, cost effectiveness, simplicity and compactness. In view of these preferred features for personal care products, there is a need for personal care products suitable for providing clean benefit to the skin and / or hair, as well as therapeutic benefits, above all, in a simple and effective manner.
[5] Applicants have unexpectedly found that the articles of the present invention provide effective cleansing and therapeutic benefits for skin and / or hair in a simple, inexpensive and hygienic manner. The present invention provides the simplicity of having no need to carry, store or use separate tools (such as washcloths or sponges), cleansers and therapeutic benefit products. Such articles are easy to use because they are in the form of a single disposable personal care article useful for the application of therapeutic or esthetic benefit agents as well as cleansing. In addition, the articles are suitable for use in or with another personal care tool designed for wider use. In this case, the article of the present invention is disposed in or attached to a separate personal care tool, such as a bath towel or washcloth, which is not disposable. In addition, the disposable articles of the present invention may be detachably attached to a handle or grip suitable for moving the article on a surface to be cleaned and therapeutically treated (eg, conditioned).
[6] In preferred embodiments, the articles of the invention are suitable for personal care applications, but car care, marine care, furniture where cleansing and / or application of benefit agents such as, for example, waxes, conditioners, UV protectants, etc. are required for the surface or area. It may also be useful in various other industries such as care, animal care, and the like.
[7] In a preferred embodiment of the invention, the article is suitable for personal care applications and useful for cleansing and conditioning skin, hair and other surfaces that require cleansing and conditioning treatments. Consumers use these items by wetting them with water and rubbing them into the area to be treated. The article is a two-layer substrate sheet, a cleansing component disposed adjacent to the substrate sheet, and a therapeutic benefit component also disposed adjacent to the substrate sheet, the therapeutic occupying less than about 50 cm 2 substrate sheet per gram of therapeutic benefit component. It consists of profit components.
[8] Summary of the Invention
[9] The present invention relates to articles suitable for cleansing containing:
[10] a) Substrate sheet containing:
[11] 1) a first base layer, and
[12] 2) a second base layer attached to the first layer;
[13] b) a cleansing component disposed adjacent the substrate sheet; And
[14] c) A therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[15] In a preferred embodiment, the invention also relates to an article suitable for cleansing containing:
[16] a) Substrate sheet containing:
[17] 1) a first base layer, and
[18] 2) a second substrate layer sutured to the first layer to form one or more storage enclosures on one or more surfaces of the substrate sheet, wherein the storage enclosure is selected from the group consisting of shape, design, logo, and combinations thereof A second base layer in a form of;
[19] b) a cleansing component disposed adjacent the substrate sheet; And
[20] c) A therapeutic benefit component disposed within said storage enclosure, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[21] In another embodiment, the cleansing articles of the present invention may be modified to confer only therapeutic benefit. Such articles contain:
[22] a) Substrate sheet containing:
[23] 1) a first base layer, and
[24] 2) a second base layer attached to the first layer; And
[25] b) A therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[26] The invention also relates to a method for cleansing and conditioning the skin and hair, comprising the following steps: a) wetting the article with water and b) contacting the wetted article with the skin or hair.
[27] All percentages and ratios used herein are by weight unless otherwise indicated, and all measurements are made at 25 ° C. unless otherwise specified. The present invention may contain, consist of, or consist essentially of the essential ingredients described herein as well as the optional ingredients.
[28] In the description of the invention, various embodiments and / or individual features are disclosed. As will be apparent to the skilled practitioner, all combinations of the above embodiments and features are possible and can achieve the desired implementation of the invention.
[29] All documents referenced herein, including patents, patent applications, and published publications, are incorporated by reference in their entirety.
[1] The present invention is directed to disposable articles suitable for cleansing and therapeutically treating skin, hair and any other site in need of cleansing and therapeutic treatment. The article contains a two layer base sheet, a cleansing component, and a therapeutic benefit component, respectively. Consumers use the articles by moistening them with water and rubbing them into areas to be cleansed and / or therapeutically treated (eg to be conditioned).
[2] The invention also includes a method of cleansing and therapeutically treating skin and hair using an article of the invention.
[30] "Disposable" as used herein means a general meaning of an article that is disposed of or disposed of after a limited number of uses, preferably less than 25, more preferably less than about 10, and most preferably less than about 2 total uses. Used as
[31] As used herein, "substantially dry" means that the article of the invention is less than about 0.95 g, preferably less than about 0.75 g, more preferably less than about 0.5 g, even more preferably less than about 0.25 g, even more preferred. Preferably less than about 0.15 g, most preferably less than about 0.1 g. Measurement of moisture retention is discussed later.
[32] The article of the invention, which is preferably a personal care article, contains the following essential ingredients.
[33] Substrate sheet
[34] The article of the present invention preferably comprises a substrate sheet which is disposable, substantially dry and further contains two or more layers, hereinafter referred to as a first substrate layer and a second substrate layer. Preferably such layer is non-scouring. As used herein, “non-refining” means that the layer has more than about 15, preferably greater than about 30, more preferably greater than about 50, even more preferably greater than about 70, most preferably greater than about 80 It is meant to represent the wear value measured by the wear value methodology described. Preferably, the first base layer and the second base layer are soft and refreshing to the skin of the consumer when used. These base layers as well as any other layers that may optionally be included are defined as having a top (or outer) and a bottom (or an inner) surface, respectively. The lower or inner surfaces of the layers are those facing the inner or innermost part of the article of the invention, and the upper or outer surfaces of the layers are those facing the outer or outermost part of the article.
[35] Without being limited by theory, the substrate sheet improves cleansing and / or therapeutic treatments. The layers of the base sheet may have the same or different texture on each surface, such that the outermost surface of the article may also have the same or different texture. The substrate sheet of the article can act as an efficient foaming and exfoliation tool. By being in physical contact with the skin or hair, the substrate significantly aids in cleansing and removing dirt, makeup, dead skin, and other residues. However, in a preferred embodiment the substrate is not scouring or rubbing on the skin.
[36] 1st base material layer and 2nd base material layer
[37] The first and second base layers of the base sheet are preferably materials selected from the group consisting of nonwovens, woven fabrics, and combinations thereof. Preferably, the layers are lofty, non-refinable and low density. As used herein, a “rope” has a layer having a density of about 0.00005 g / cm ³ to about 0.1 g / cm ³ , preferably about 0.001 g / cm ³ to about 0.09 g / cm ³ and about 5 g / in ² . It has a thickness of 0.04 inches to about 2 inches.
[38] Suitable materials for the first and second substrate layers include cellulose nonwovens, molded films, batting, foams, sponges, reticulated foams, vacuum-molded laminates, scrims, polymeric nets, and combinations thereof. Included are those selected from the group consisting of. More preferably, the first substrate layer and the second substrate layer are made of a material selected from the group consisting of cellulose nonwovens, molded films, batts, and combinations thereof. As used herein, "nonwoven" means that the layer does not contain fibers woven into the fabric, but the layer need not contain any fibers, such as, for example, molded films, sponges, foams, scrims, and the like. If the layer contains fibers, the fibers may be irregular (ie, arranged irregularly) or they may be carded (ie, combed oriented mainly in one direction). In addition, the first substrate layer and the second substrate layer may be an additional layer, ie a composite composed of a combination of irregular and carded fibers of several plies.
[39] Suitable materials suitable for the first and second substrate layers are bets. Preferably, the bets comprise a synthetic material. As used herein, "synthetic" means that the material is obtained primarily from various artificial materials or further modified natural materials. Suitable synthetic materials include acetate fibers, acrylic fibers, cellulose ester fibers, modacryl fibers, polyamide fibers, polyester fibers, polyolefin fibers, polyvinyl alcohol fibers, rayon fibers, polyethylene foams, polyurethane foams, and combinations thereof. Water is included, but is not limited to such. Preferred synthetic materials, in particular fibers, can be selected from the group consisting of nylon fibers, rayon fibers, polyolefin fibers, polyester fibers, and combinations thereof. Preferred polyolefin fibers are fibers selected from the group consisting of polyethylene, polypropylene, polybutylene, polypentene, and combinations and copolymers thereof. More preferred polyolefin fibers are fibers selected from the group consisting of polyethylene, polypropylene, and combinations and copolymers thereof. More preferred polyester fibers are fibers selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate, polycyclohexylenedimethylene terephthalate, and combinations and copolymers thereof. More preferred polyester fibers are fibers selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate, and combinations and copolymers thereof. Most preferred synthetic fibers contain monochromatic short polyester fibers containing polyethylene terephthalate homopolymers. Suitable synthetic materials include, but are not limited to, monochromatic (i.e. chemically homogeneous) fibers, multicomponent fibers (i.e., more than one type of material comprising each fiber), and multicomponent fibers (i.e. Synthetic fibers containing two or more distinct filament types intertwined), and combinations thereof. Preferred fibers include bicomponent fibers, multicomponent fibers, and combinations thereof. The bicomponent fibers may be in a core-sheath arrangement or side by side arrangement. In each case, the first base layer and the second base layer may contain a combination of fibers containing the above listed materials or a fiber containing a combination of the above listed materials by itself.
[40] For core-sheath fibers, preferably, the core contains a material selected from the group consisting of polyolefins, polyesters and combinations thereof having a T _g at least about 10 ° C. higher than the sheath material. Conversely, the two-component from the sheath is preferably a core material than at least about 10 ℃ polyolefin having a low T _g, the polyester having at least about 10 ℃ lower T _g than the core material is a polyolefin, and the group consisting of a combination thereof of the fiber Contains the material selected.
[41] In any case of a side by side arrangement, a core-sheath arrangement, or a monochromatic single component arrangement, the fibers of the batting layer may exhibit a bicomponent fiber, in particular a helical or vortex or corrugated arrangement.
[42] In addition, the fibers of the first and second substrate layers containing the batt have an average thickness of about 0.5 microns to about 150 microns. More preferably, the average thickness of the fibers is from about 5 microns to about 75 microns. In even more preferred embodiments, the average thickness of the fibers is from about 8 microns to about 40 microns. In addition, the fibers of the batting layer may have various sizes. That is, the fibers of the batting layer may contain fibers having different average thicknesses. In addition, the cross section of the fiber may be round, flat, oval, elliptical or otherwise shaped.
[43] The first substrate layer and the second substrate layer may contain both various natural and synthetic fibers or materials. As used herein, "natural" means that the substance is derived from a plant, animal, insect, or by-product of the plant, animal, and insect. Conventional substrate starting materials are generally fibrous webs containing any conventional synthetic or natural fabric-length fibers or combinations thereof.
[44] Non-limiting examples of natural materials useful in the present invention include, but are not limited to, silk fibers, keratin fibers and cellulosic fibers. Non-limiting examples of keratinous fibers include those selected from the group consisting of wool fibers, camel hair fibers and the like. Non-limiting examples of cellulose fibers include those selected from the group consisting of wood pulp fibers, cotton fibers, hemp fibers, jute fibers, flax fibers and combinations thereof. Cellulose fibrous materials are preferred in the present invention.
[45] Nonwovens made from natural materials consist of webs or sheets most commonly formed on fine wire screens from a liquid suspension of fibers. CA Hampel et al., The Encyclopedia of Chemistry , 3rd edition, 1973, pp. 793-795 (1973); The Encyclopedia Americana , Vol. 21, pp. 376-383 (1984); And GA Smook, Handbook of Pulp and Paper Technologies , Technical Association for the Pulp and Paper Industry (1986); These are all incorporated herein by reference.
[46] In one embodiment, when the layer is made of cellulosic or molded film material, voids are formed in the first base layer and / or the second base layer. The voids in the layer will typically range from about 0.5 mm to 5 mm in average diameter. More preferably, the size of the pores will range in size from about 1 mm to 4 mm in average diameter. Preferably, up to about 10% of the voids in the layer will be outside of this size range. More preferably, about 5% or less of the voids in the layer will be outside of this size range. For non-circular voids, the "diameter" of the voids refers to the diameter of the circular opening having the same surface area as the opening of the non-circular void.
[47] Within the first and second substrate layers, the voids will typically be present at a frequency of about 0.5 to 12 voids per linear centimeter. More preferably, the pores at the surface of the layer will be present at a frequency of about 1.5 to 6 pores per straight centimeter.
[48] The voids should be located at least in the substrate layer. The voids do not need to protrude completely through one surface of the layer to the other. However, they can be. Additionally, the voids may or may not be located in both layers of the substrate such that the article is voided through its entire volume.
[49] The voids may be formed in the substrate layer while the substrate layer is formed or fabricated. Alternatively, after the substrate layer is completely formed, voids may be formed in the substrate layer.
[50] Natural material nonwovens useful in the present invention can be obtained from a wide variety of commercial sources. Non-limiting examples of suitable paper layers useful and commercially available herein include the following: Airtex , An embossed and airlaid cellulosic layer having a reference weight of about 71 gsy, available from James River, Green Bay, WI; And Walkisoft Embossed, air-layed cellulosic layer with a reference weight of about 75 gsy, Walkisoft USA, Mount Holly, NC. Available at
[51] Additional suitable nonwoven materials include, but are not limited to, US Pat. No. 4,447,294 (Osborn, issued May 8, 1984, incorporated herein by reference) in its entirety; No. 4,603,176 (Bjorkquist, issued July 29, 1986); No. 4,981,557 (Bjorkquist, issued January 1, 1991); No. 5,085,736 (Bjorkquist, issued February 4, 1992); No. 5,138,002 (Bjorkquist, issued August 8, 1992); 5,262,007 (Phan et al., Issued November 16, 1993); No. 5,264,082 (Phan et al., Issued Nov. 23, 1993); No. 4,637,859 (Trokhan, issued January 20, 1987); No. 4,529,480 (Trokhan, issued July 16, 1985); No. 4,687,153 (McNeil, issued Aug. 18, 1987); 5,223,096 (Phan et al., Issued June 29, 1993); And 5,679,222 to Rasch et al., Issued October 21, 1997.
[52] Methods of making nonwovens are well known in the art. Generally, these nonwovens are produced by air-laying, water-laying, meltblowing, coformimg, spunbonding, or carding processes. Wherein the fibers or filaments are first cut from the long strands to the desired length, passed through a water or air stream, and then passed through the screen to deposit the fiber-laden air or water. The resulting layer is then subjected to one or more different types of bonding processes, regardless of the method of manufacture or composition thereof, so that the individual fibers are held together to form a self-maintaining web. In the present invention, the first substrate layer and the second substrate layer can be prepared by various processes, for example, air-entanglement, hydroentanglement, thermal bonding, and combinations of these processes. .
[53] Non-limiting examples of synthetic materials useful in the present invention include acetate fibers, acrylic fibers, cellulose ester fibers, modacrylic fibers, polyamide fibers, polyester fibers, polyolefin fibers, polyvinyl alcohol fibers, rayon fibers, polyethylene foams, poly And urethane foams and combinations thereof. Examples of suitable synthetic materials include acrylics such as acryliclan, creslan, and acrylonitrile-based fibers, orlon; Cellulose ester fibers such as cellulose acetate, arnell and aselle; Polyamides such as nylon (eg nylon 6, nylon 66, nylon 610, etc.); Polyesters such as fortrel, cordel, and polyethylene terephthalate fibers, polybutylene terephthalate fibers, darkons; Polyolefins such as polypropylene, polyethylene; Polyvinyl acetate fibers; Polyurethane foams and combinations thereof. These or other suitable fibers and nonwovens made from them are generally described in Riedel, "Nonwoven Bonding Methods and Materials" Nonwoven World (1987); The Encyclopedia Americana , Vol. 11, pp. 147-153, and 26, pp. 566-581 (1984); USP 4,891,227 to Thaman et al. On January 2, 1990; And USP 4,891,228, all of which are incorporated herein by reference in their entirety.
[54] Nonwovens made from synthetic materials useful in the present invention can be obtained from a wide variety of commercial sources. Non-limiting examples of suitable nonwoven layer materials useful herein include the following: voids containing HEF 40-047, about 50% rayon and 50% polyester and having a basis weight of about 61 grams per square meter (gsm) Formed wet tangled material, available from Veratec Inc., Walpole, MA; HEF 140-102, a pore-formed, wet entangled material containing about 50% rayon and 50% polyester and having a basis weight of about 67 gsm, available from Veratec Inc., Walpole, MA; Novonet 149-616, a thermally bonded grating pattern material containing about 100% polypropylene and having a basis weight of about 60 gsm, available from Veratec Inc., Walpole, MA; Novonet 149-801, a thermally bonded grating pattern material containing about 69% rayon, about 25% polypropylene and 6% cotton, and having a basis weight of about 90 gsm, available from Veratec Inc., Walpole, MA; Novonet 149-191, a thermally bonded grating pattern material containing about 69% rayon, about 25% polypropylene and about 6% cotton and having a basis weight of about 120 gsm, available from Veratec Inc., Walpole, MA; HEF Nubtex 149-801, a nubbed, pore formed wet entangled material containing about 100% polyester and having a basis weight of about 84 gsm, available from Veratec Inc., Walpole, MA; Keybak 951 V, about 75% rayon, a dry-formed pore formed material containing about 25% acrylic fiber and having a basis weight of about 51 gsm, available from Chicopee, New Brunswick, NJ; Keybak 1368, about 75% rayon, pore formed material containing about 25% polyester and having a basis weight of about 47 gsm, available from Chicopee, New Brunswick, NJ; Douralace 1236, a pore-formed, wet entangled material containing about 100% rayon and having a basis weight of about 48 gsm to about 138 gsm, available from Chicopee, New Brunswick, NJ; Douralace 5904, a pore-formed, wet entangled material containing about 100% polyester and having a basis weight of about 48 gsm to about 138 gsm, available from Chicopee, New Brunswick, NJ; Chicopee Carded wet containing 5763, about 70% rayon, about 30% polyester, and optionally up to about 5% w / w latex binder (based on acrylate or EVA) and having a mood weight of about 60 gsm to about 90 gsm Entangled material (8 x 6 pores per inch, 3 x 2 pores per cm), available from Chicopee, New Brunswick, NJ; Chicopee 9900 series (eg Chicopee 9931, 62 gsm, 50/50 rayon / polyester, and Chicopee 9950, 50 gsm, 50/50 rayon / polyester), 50% rayon / 50% polyester to 0% rayon / A carded, wet entangled material comprising a fiber composition of 100% polyester or 100% rayon / 0% polyester and having a basis weight of about 36 gsm to about 84 gsm, available from Chicopee, New Brunswick, NJ; Sontara 8868, a wet entangled material containing about 50% cellulose and about 50% polyester and having a basis weight of about 72 gsm, sold by Dupont Chemical Corp. Preferred nonwoven based materials have a basis weight of about 24 gsm to about 96 gsm, more preferably about 36 gsm to about 84 gsm, most preferably about 42 gsm to about 78 gsm.
[55] The first substrate layer and the second substrate layer may also be polymeric mesh sponges described in European Patent No. 702550 A1, published March 27, 1996, which is incorporated by reference in its entirety. The polymeric sponge contains several plies of extruded tubular netting mesh made from polymers or nylons with strong elasticity, such as addition polymers of olefin monomers and polyamides of polycarboxylic acids.
[56] The first substrate layer and the second substrate layer may also contain multiple materials, including molded films and composites, for example molded films. Preferably, the molded film contains plastic that tends to be soft on the skin. Suitable soft plastic molded films include, but are not limited to, polyolefins such as low density polyethylene (LDPE). When the first base material layer or the second base material layer contains a plastic molding film, the layer is voided, for example, macropopered or microapertured so that the layer is fluidized. It is preferable that it is permeable. In one embodiment, the pore-formed first substrate layer and / or the second substrate layer contain a plastic formed film in which only large voids are formed. The surface modification of the micropores, ie the male side, is preferably located on the inner or lower surface of the substrate layer and preferably towards the interior of the substrate, ie the cleansing component. In certain embodiments involving voids with petal shaped edge surface modifications, regardless of theory, when the surface modifications of the voids are directed to the surfactant-containing cleansing component, the pressing of the article by hand is a petal of the surface modification. The folding of the edges inward creates numerous valves on the inner surface of the layer, which is believed to extend the useful life of the article by actually metering out the cleansing components contained in the article.
[57] In another embodiment, the first substrate layer and / or the first substrate layer contains a plastic molded film in which both micropores and macropores are formed. In this embodiment, the layer is well suited for contacting the area to be cleansed and treated while providing a cloth-like feel of the microporous film. Preferably, in this embodiment, the surface deformation of the micropores is opposite to the surface deformation of the macropores on the substrate layer. In such a case, macropores are believed to produce a foaming bellows by maximizing the overall wetting / foaming of the article by the three-dimensional thickness formed from surface deformation under constant compression and reduced pressure during use of the article.
[58] In any case, in such embodiments, the first substrate layer and / or the second substrate layer containing the molded film may have at least about 100 voids / base cm ² , more preferably at least 500 voids / base cm ² , more More preferably at least about 1000 voids / substrate cm ² , most preferably at least about 1500 voids / substrate cm ² .
[59] Suitable molded films and molded film-comprising composites useful for the first and second substrate layers of the present invention are described in US Pat. No. 4,342,314 (Radel et al., August 3, 1982, which is hereby incorporated by reference in its entirety). US Patent Application Serial No. 08 / 326,571 and PCT Application No. 95/07435 (filed June 12, 1995, published January 11, 1996) and US Patent Application No. 4,629,643 ( Curro et al., Issued December 16, 1986), but is not limited to such. In addition, the first substrate layer and / or the second substrate layer may be a molded film composite containing one or more molded films and one or more nonwovens in which the layers are vacuumed. Suitable molded film composites include, but are not limited to, vacuum laminated composite molded film materials formed by combining a molded film and a carded polypropylene nonwoven having a basis weight of 30 gsm.
[60] In addition, the first substrate layer and the second substrate layer are preferably bonded to each other to maintain the integrity of the article. The bonding may be by bonding at the outer edge (or periphery) of the layer and / or in discrete locations or combinations thereof, or in a continuous connection of discontinuous patterns (eg, stacked, etc.), spot bonding (eg For example, hot point combination). When spot bonds are used in the present article, the spot bonds are preferably separated by a distance of about 1 cm or more. However, in any example, the bonds can be arranged such that geometric shapes and patterns, such as diamonds, circles, squares, etc., are formed on the outer surface of the resulting article and layer. Preferred methods of bonding or sealing the first substrate layer and the second substrate layer to each other are selected from the group consisting of heat sealing, ultrasonic sealing, adhesive sealing, embossing, male plate heat sealing, and combinations thereof.
[61] In a preferred embodiment, the second substrate layer is sealed to the first substrate layer to form one or more storage enclosures on one or more surfaces of the substrate sheet. In one embodiment, a plurality of storage enclosures are formed on one or more surfaces of the substrate sheet. In even more preferred embodiments, such storage enclosures are shaped in a shape selected from the group consisting of shape, design, logo and combinations thereof. Preferably, the storage enclosure is shaped into a geometric shape. In addition, such storage enclosures are preferably at a depth of at least about 0.1 mm, more preferably at least about 0.5 mm, most preferably at least about 2 mm. Similarly, such storage enclosures are preferably about 1 mm wide. More preferably, the storage enclosure is about 2 mm wide. Most preferably, the storage enclosure is about 4 mm wide. In one embodiment, such storage enclosures are formed on both the top and bottom surfaces of the substrate sheet. In another embodiment, a plurality of storage enclosures are formed on both the top and bottom surfaces of the substrate sheet.
[62] It is also realized in the article of the present invention that the first substrate layer and the second substrate layer can be surface modified to form a single composite layer having two surfaces or sides with different textures. Thus, in practice, the substrate sheet may be understood to contain a single composite layer having a double texture side or surface.
[63] In any case, the bonding area present between the first substrate layer and the second substrate layer (as well as any additional layers) is about 50% or less, preferably about 15% or less, more preferably about the total surface area of the layer. Is preferably about 10% or less, most preferably about 8% or less.
[64] Each layer discussed herein contains two or more surfaces, i.e., an inner surface and an outer surface, each of which may have the same or different textures and abrasiveness. Preferably, the article of the invention contains a soft base layer on the skin. However, different texturing substrates may be due to the use of different combinations of materials or the use of different manufacturing processes or combinations thereof. For example, dual textured substrate sheets can be made to provide a personal care article that has the advantage of having a more abrasive side for exfoliation and a softer, absorbent side for mild cleansing and / or therapeutic treatments. In addition, by making the individual layers of the base sheet to have different shades, it can help the user further distinguish the surface.
[65] In addition, each layer of the article, as well as the article itself, can be made in a wide variety of shapes and shapes, such as flat pads, thick pads, thin sheets, ball tools, and irregular tools. The exact size of the layers will depend on the intended use and article properties, and the surface area may vary from about 1 in ² to about hundreds of in ² . Particularly convenient filling and article forms include surface areas of from about 5 in ² to about 200 in ² , preferably from about 6 in ² to about 120 in ² , more preferably from about 15 in ² to about 100 in ² and from about 0.5 mm to Rectangular, round, rectangular, hourglass, mitt or egg-shaped with a thickness of about 50 mm, more preferably about 1 mm to about 25 mm, more preferably about 2 mm to about 20 mm Include, but are not limited to.
[66] Cleansing ingredients
[67] Articles of the invention contain a cleansing component further containing one or more surfactants. The cleansing component is disposed adjacent to the substrate sheet. In certain embodiments, the cleansing component is impregnated into and / or on the first and second substrate layers of the substrate sheet. In another embodiment, the cleansing component is deposited on the surface of the first base layer and / or the second base layer. In this example, the cleansing component is sandwiched between the first substrate layer and the second substrate layer.
[68] The articles of the present invention contain from about 10% to about 1,000%, preferably from about 50% to about 600%, more preferably from about 100% to about 250%, based on the weight of the water-insoluble substrate. In addition, the articles of the present invention preferably contain at least about 1 gram of surfactant based on the weight of the base sheet. The cleansing component can be added to the substrate without requiring a drying process.
[69] The surfactant of the cleansing component is preferably a foaming surfactant. As used herein, “foaming surfactant” means a surfactant that, when combined with water, mechanically shakes to produce a foam or foam. Since the increased foam is important to the consumer as an indicator of the cleansing effect, the surfactant is preferred. In certain embodiments, the surfactant or combination of surfactants is mild. As used herein, “pure” refers to surfactants as well as articles of the present invention that, at least, natural soaps and synthetic surfactants (eg, Lever 2000 And Zest Means a milder skin milder than a conventional bar soap matrix that typically contains a combination of The method of measuring the mildness or the irritation of the surfactant-containing product is based on the skin barrier destruction test. In this test, the milder the surfactant, the less the skin barrier is destroyed. Skin barrier destruction is measured by the relative amount of radiolabeled water (tritium label: 3H-H ₂ O), which passes from the test solution through the skin epidermis and into the physiological buffer contained in the diffusion chamber. The test is described in TJ Franz, J. Invest. Dermatol. , 1975, 64, pp. 190-195; And US Pat. No. 4,673,525 (Small et al., Issued June 16, 1987). Other test methods for determining surfactant mildness, which are well known to those skilled in the art, can also be used.
[70] A wide variety of foaming surfactants are useful herein and are selected from the group consisting of anionic foaming surfactants, nonionic foaming surfactants, cationic foaming surfactants, zwitterionic foaming surfactants, and mixtures thereof. Things are included.
[71] Anionic Foaming Surfactants
[72] Non-limiting examples of anionic foaming surfactants useful in the compositions of the present invention are described by McCutcheon's, Detergents and Emulsifiers , North American Edition (1986), Allured Publishing Corporation; McCutcheon's, Functional Materials , North American Edition (1992); And US Pat. No. 3,929,678 (Laughlin et al., Dec. 30, 1975), each of which is incorporated herein by reference in its entirety.
[73] A wide range of anionic surfactants are potentially useful herein. Non-limiting examples of anionic foaming surfactants include alkyl and alkyl ether sulfates, sulfated monoglycerides, sulfonated olefins, alkyl aryl sulfonates, primary or secondary alkane sulfonates, alkyl sulfosuccinates, acyl taurates, Acyl isethionate, alkylglyceryl ether sulfonate, sulfonated methyl ester, sulfonated fatty acid, alkyl phosphate, acyl glutamate, acyl sarcosinate, alkyl sulfoacetate, acylated peptide, alkyl ether carboxylate, acyl lactylate, And those selected from the group consisting of anionic fluorosurfactants and combinations thereof. Combinations of anionic surfactants can be used effectively in the present invention.
[74] Anionic surfactants for use in cleansing components include alkyl and alkyl ether sulfates. The materials have formulas of R1O-SO3M and R1 (CH2H4O) xO-SO3M, respectively, wherein R1 is a saturated or unsaturated, branched or unbranched alkyl group of about 8 to about 24 carbon atoms, and x is from 1 to 10 And M is a water soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine). Alkyl sulfates are typically produced by sulfated monohydric alcohols (about 8 to about 24 carbon atoms) or other known sulfated techniques with sulfur trioxide. Alkyl ether sulfates are typically produced as condensation products of ethylene oxide and monohydric alcohols (about 8 to about 24 carbon atoms) and then sulfated. The alcohol may be derived from fats such as coconut oil or tallow, or may be synthetic. Specific examples of alkyl sulfates that can be used in the cleansing component are the sodium, ammonium, potassium, magnesium or TEA salts of lauryl or myristyl sulfate. Examples of alkyl ether sulfates that can be used include ammonium, sodium, magnesium or TEA laureth-3 sulfate.
[75] Another suitable group of anionic surfactants are sulfated monoglycerides of the formula R 1 CO—O—CH 2 —C (OH) H—CH 2 —O—SO 3 M, wherein R 1 is saturated or unsaturated having from about 8 to about 24 carbon atoms. , Branched or unbranched alkyl group, M is a water soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine). They are typically produced by reacting glycerin with fatty acids (about 8 to about 24 carbon atoms) to form monoglycerides, and then sulphating the monoglycerides with sulfur trioxide. An example of sulfated monoglycerides is sodium cocomonoglyceride sulfate.
[76] Other suitable anionic surfactants include olefin sulfonates of formula R 1 SO 3 M (wherein R 1 is a monoolefin having from about 12 to about 24 carbon atoms, M is a water soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, Diethanolamine and monoethanolamine). The compound may be prepared by sulfonating an alpha olefin with uncomplexed sulfur trioxide, followed by neutralization of the acid reaction mixture under conditions in which all the sultone formed in the reaction is hydrolyzed to give the corresponding hydroxyalksulfonate. Examples of sulfonated olefins are sodium C14 / C16 alpha olefin sulfonates.
[77] Other suitable anionic surfactants are straight chain alkylbenzene sulfonates of the formula R1-C6H4-SO3M, wherein R1 is a saturated or unsaturated, branched or unbranched alkyl group having from about 8 to about 24 carbon atoms, and M is water soluble. Cations such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine). They are formed by sulfonating linear alkyl benzene with sulfur trioxide. Examples of such anionic surfactants are sodium dodecylbenzene sulfonate.
[78] Still other anionic surfactants suitable for such cleansing components include primary or secondary alkane sulfonates of the formula R1SO3M, wherein R1 is a saturated or unsaturated, branched or unbranched alkyl chain of about 8 to about 24 carbon atoms. And M is a water soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine). These are usually formed by sulfonation or another known sulfonation method of paraffin using sulfur dioxide in the presence of chlorine and ultraviolet light. Sulfonation may occur at the secondary or primary position of the alkyl chain. Examples of alkanesulfonates useful herein are alkali metal or ammonium C ₁₃ -C ₁₇ paraffin sulfonates.
[79] Other suitable anionic surfactants include alkyl sulfosuccinates, which include disodium N-octadecylsulfosuccinate; Diammonium lauryl sulfosuccinate; Tetrasodium N- (1,2-dicarboxyethyl) -N-octadecylsulfosuccinate; Diamyl ester of sodium sulfosuccinic acid; Dihexyl ester of sodium sulfosuccinic acid; And dioctyl esters of sodium sulfosuccinic acid.
[80] Also useful are taurine-based taurates, also known as 2-aminoethanesulfonic acid. Examples of taurates include those prepared by reacting N-alkyltaurine, such as dodecylamine with sodium isethionate, as described in US Pat. No. 2,658,072, which is incorporated herein by reference in its entirety. Other examples of taurine substrates include acyl taurine formed by reacting n-methyl taurine with fatty acids (about 8 to about 24 carbon atoms).
[81] Another group of anionic surfactants suitable for use in cleansing components is acyl isethionate. Acyl isethionates typically have the formula R 1 CO—O—CH 2 CH 2 SO 3 M (wherein R 1 is a saturated or unsaturated, branched or unbranched alkyl group of about 10 to about 30 carbon atoms, M is a cation). They are typically formed by reacting fatty acids (about 8 to about 30 carbon atoms) with alkali metal isethionates. Non-limiting examples of acyl isethionates include cocoyl isethionate, sodium cocoyl isethionate, sodium lauroyl isethionate and mixtures thereof.
[82] Another suitable anionic surfactant is an alkylglyceryl ether sulfonate of the formula R1-OCH2-C (OH) H-CH2-SO3M, wherein R1 is saturated or unsaturated, branched chain of about 8 to about 24 carbon atoms. Or an unbranched alkyl group, M is a water soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine). These are formed by reacting epichlorohydrin and sodium bisulfite with fatty alcohols (about 8 to about 24 carbon atoms) or by other known methods. One example is sodium cocoglyceryl ether sulfonate.
[83] Other suitable anionic surfactants include sulfonated fatty acids of the formula R1-CH (SO4) -COOH and sulfonated methyl esters of the formula R1-CH (SO4) -CO-O-CH3, wherein R1 is approximately 8 to about 24 saturated or unsaturated, branched or unbranched alkyl group). They are formed by sulfonation of fatty acids or alkyl methyl esters (about 8 to about 24 carbon atoms) with sulfur trioxide or another known sulfonation technique. Examples include alpha sulfonated coconut fatty acids and lauryl methyl esters.
[84] Other anionic materials include monoalkyl, dialkyl and trialkylphosphate salts formed by reacting phosphates such as phosphorus pentoxide with monovalent branched or unbranched alcohols having from about 8 to about 24 carbon atoms. They can also be formed by other known phosphorylation methods. Examples of this group of surfactants are sodium mono- or dilaurylphosphate.
[85] Other anionic materials include acyl glutamate corresponding to the formula R1CO-N (COOH) -CH2CH2-CO2M, wherein R1 is a saturated or unsaturated, branched or unbranched alkyl group or alke having from about 8 to about 24 carbon atoms. Nyl group, M is a water-soluble cation). Non-limiting examples thereof include sodium lauroyl glutamate and sodium cocoyl glutamate.
[86] Other anionic materials include alkanoyl sarcosinates corresponding to the formula R1CON (CH3) -CH2CH2-CO2M (wherein R1 is a saturated or unsaturated, branched or unbranched alkyl group of about 10 to about 20 carbon atoms or Alkenyl group, M is a water-soluble cation). Non-limiting examples thereof include sodium lauroyl sarcosinate, sodium cocoyl sarcosinate and ammonium lauroyl sarcosinate.
[87] Other anionic materials include alkyl ether carboxylates corresponding to the formula R1- (OCH2CH2) x-OCH2-CO2M, wherein R1 is saturated or unsaturated, branched or unbranched chain of about 8 to about 24 carbon atoms. Alkyl group or alkenyl group, x is 1 to 10, and M is a water soluble cation). Non-limiting examples thereof include sodium laureth carboxylate.
[88] Other anionic materials include acyl lactylates corresponding to the formula R1CO- [O-CH (CH3) -CO] x-CO2M (wherein R1 is saturated or unsaturated, branched or Unbranched alkyl or alkenyl, x is 3 and M is a water soluble cation). Non-limiting examples thereof include sodium cocoyl lactylate.
[89] Other anionic materials include carboxylates, non-limiting examples of which include sodium lauroyl carboxylate, sodium cocoyl carboxylate and ammonium lauroyl carboxylate. Anionic fluorosurfactants may also be used.
[90] Other anionic materials include natural soaps derived from saponification of vegetable and / or animal fats & oils, such as sodium laurate, sodium myristate, palmitate, stearate, tallowate, cocoate.
[91] Any counter cation M can be used on the anionic surfactant. Preferably the counter cation is selected from the group consisting of sodium, potassium, ammonium, monoethanolamine, diethanolamine and triethanolamine. More preferably, the counter cation is ammonium.
[92] Nonionic Foaming Surfactant
[93] Non-limiting examples of nonionic foaming surfactants for use in the compositions of the present invention include those disclosed in McCutcheon's, Detergents and Emulsifiers , North American Edition (1986), allured Publishing Corporation; And McCutcheon's, Functional Materials , North American Edition (1992), both of which are incorporated herein by reference in their entirety.
[94] Nonionic foaming surfactants useful herein include those selected from the group consisting of alkyl glucosides, alkyl polyglucosides, polyhydroxy fatty acid amides, alkoxylated fatty acid esters, sucrose esters, amine oxides and mixtures thereof.
[95] Alkyl glucosides and alkyl polyglucosides are useful herein and are broadly defined as condensation products of long chain alcohols such as C8-C30 alcohols with sugars or starches or sugar polymers or starch polymers, ie glycosides or polyglycosides. Can be. The compound may be represented by the formula (S) _n- OR, wherein S is a sugar moiety such as glucose, fructose, mannose and galactose; n is an integer from about 1 to about 1000; R is C8-C30 Alkyl group). Examples of long chain alcohols from which the alkyl group can be derived include decyl alcohol, cetyl alcohol, stearyl alcohol, lauryl alcohol, myristyl alcohol, oleyl alcohol and the like. Preferred examples of such surfactants include those in which S is a glucose moiety, R is a C8-C20 alkyl group and n is an integer from about 1 to about 9. Examples of such commercially available surfactants include decyl polyglucoside (commercially available from Henkel as APG 325 CS) and lauryl polyglucoside (commercially available from Henkel as APG 600CS and 625 CS). Also useful are sucrose ester surfactants such as sucrose cocoate and sucrose laurate.
[96] Other useful nonionic surfactants include polyhydroxy fatty acid amide surfactants, and more specific examples thereof include glucosamides corresponding to the formula:
[97]
[98] Wherein R ¹ is H, C ₁ -C ₄ alkyl, 2-hydroxyethyl, 2-hydroxypropyl, preferably C ₁ -C ₄ alkyl, more preferably methyl or ethyl, most preferably Methyl; R ² is C ₅ -C ₃₁ alkyl or alkenyl, preferably C ₇ -C ₁₉ alkyl or alkenyl, more preferably C ₉ -C ₁₇ alkyl or alkenyl, most preferably C _11- C ₁₅ alkyl or alkenyl; Z is a polyhydroxyhydrocarbyl moiety having a straight chain hydrocarbyl chain having 3 or more hydroxyls directly connected to the chain or an alkoxylated derivative thereof (preferably ethoxylated or propoxy) Silicified derivative), and Z is a sugar moiety selected from the group consisting of glucose, fructose, maltose, lactose, galactose, mannose, xylose and mixtures thereof). Particularly preferred surfactants corresponding to this structure include coconut alkyl N-methyl glucoside amides (ie, the R ² CO- moiety is derived from coconut oil fatty acids). Methods for preparing compositions containing polyhydroxy fatty acid amides are described, for example, in British Patent Application 809,060 (published February 18, 1959, Thomas Hedley & Co., Ltd.); US Patent No. 2,965,576 (ER Wilson, issued December 20, 1960); US Patent No. 2,703,798 (AM Schwartz, issued March 8, 1955) and US Patent No. 1,985,424 (Piggott, issued December 25, 1934), each of which is incorporated herein by reference in its entirety.
[99] Other examples of nonionic surfactants include amine oxides. The amine oxides are of the formula R ₁ R ₂ R ₃ N → O wherein R ₁ is from about 8 to about 18 carbon atoms and comprises from 0 to about 10 ethylene oxide moieties and from 0 to about 1 glyceryl moiety. , Alkenyl or monohydroxy alkyl radicals, R ₂ and R ₃ have from about 1 to about 3 carbon atoms and have from 0 to about 1 hydroxyl group, such as, for example, methyl, ethyl, propyl, hydroxyethyl or hydroxypropyl radicals It includes). Arrows in the formulas are common indications of semipolar bonds. Examples of amine oxides suitable for use in the present invention include dimethyl-dodecylamine oxide, oleyldi (2-hydroxyethyl) amine oxide, dimethyloctylamine oxide, dimethyl-decylamine oxide, dimethyl-tetra Decylamine oxide, 3,6,9-trioxaheptadecyldiethylamine oxide, di (2-hydroxyethyl) -tetradecylamine oxide, 2-dodecoxyethyldimethylamine oxide, 3-dode Cooxy-2-hydroxypropyldi (3-hydroxypropyl) amine oxide, dimethylhexadecylamine oxide.
[100] Non-limiting examples of preferred nonionic surfactants for use herein include C8-C14 glucose amide, C8-C14 alkyl polyglucoside, sucrose cocoate, sucrose laurate, laumine oxide, cocoamine oxide and their There are those selected from the group consisting of mixtures.
[101] Cationic Foaming Surfactant
[102] Cationic foaming surfactants are also useful in the articles of the present invention. Suitable cationic foaming surfactants include, but are not limited to, fatty amines, 2-fatty quaternary amines, 3-fatty quaternary amines, imidazolinium quaternary amines, and combinations thereof. Suitable fatty amines include monoalkyl quaternary amines such as cetyltrimethylammonium bromide. Suitable quaternary amines include dialkylamidoethyl hydroxyethylmonium methosulfate. However, fatty amines are preferred. If the cationic foaming surfactant is the main foaming surfactant of the cleansing component, it is preferred to use a foam enhancer. In addition, it has been found that nonionic surfactants are particularly useful in combination with the cationic foaming surfactants.
[103] Zwitterionic Foaming Surfactant
[104] As used herein, the term “cationic foaming surfactant” is intended to also include zwitterionic surfactants well known to formulators in the art as a class of zwitterionic surfactants.
[105] A wide variety of zwitterionic foaming surfactants can be used in the compositions of the present invention. Widely described as derivatives of aliphatic secondary and tertiary amines, preferably water-soluble groups which may be branched or straight-chained with an aliphatic radical, wherein the nitrogen is in a cationic state and one of the radicals is ionizable, such as carboxy, sulfo Particularly useful are those that are nates, sulphates, phosphates or phosphonates.
[106] Non-limiting examples of zwitterionic surfactants useful in the compositions of the present invention are described in McCutcheon's, Detergents and Emulsifiers , North American Edition (1986), allured Publishing Corporation; And McCutcheon's, Functional Materials , North American Edition (1992), both of which are incorporated herein by reference in their entirety.
[107] Non-limiting examples of zwitterionic or zwitterionic surfactants include those selected from the group consisting of betaine, sultine, hydroxysultine, alkyliminoacetates, iminodialkanoates, aminoalkanoates and mixtures thereof. There are things.
[108] Examples of betaines include higher alkyl betaines such as coco dimethyl carboxymethyl betaine, lauryl dimethyl carboxymethyl betaine, lauryl dimethyl alphacarboxyethyl betaine, cetyl dimethyl carboxymethyl betaine, cetyl dimethyl betaine (from Lonza Corp. Lonzaine 16SP), lauryl bis- (2-hydroxyethyl) carboxymethyl betaine, oleyl dimethyl gamma-carboxypropyl betaine, lauryl bis- (2-hydroxypropyl) alpha-carboxyethyl betaine, Coco dimethyl sulfopropyl betaine, lauryl dimethyl sulfoethyl betaine, lauryl bis- (2-hydroxyethyl) sulfopropyl betaine, amidobetaine and amidosulfobetaine (herein RCONH (CH ₂ ) ₃ radicals Is attached to the nitrogen atom of betaine, oleyl betaine (available as anionic ionic Velvetex OLB-50 from Henkel) and cocamidopropyl betaine (available as Velvetex BK-35 and BA-35 from Henkel) Included.
[109] Examples of sulfines and hydroxysultaines include substances such as cocamidopropyl hydroxysultine (available from Mira-Poulenc as Mirataine CBS).
[110] Preferred for use herein are zwitterionic surfactants having the formula:
[111]
[112] Wherein R ¹ is unsubstituted, saturated or unsaturated, straight or branched chain alkyl of about 9 to about 22 carbon atoms. R ¹ is preferably about 11 to about 18 carbon atoms, more preferably about 12 to about carbon atoms. 18, even more preferably about 14 to about 18 carbon atoms; m is an integer of 1 to about 3, more preferably about 2 to about 3, still more preferably about 3; n is 0 or 1, preferably Is 1 and R ² and R ³ are independently selected from the group consisting of alkyl groups having 1 to about 3 carbon atoms, unsubstituted or monosubstituted with hydroxy, preferred R ² and R ³ are CH ₃ and X is CO ₂ , SO ₃ and SO ₄ ; R ⁴ is selected from the group consisting of saturated or unsaturated, straight or branched chain alkyl of 1 to about 5 carbon atoms, unsubstituted or hydroxy monosubstituted) . When X is CO ₂ , R ⁴ preferably has 1 or 3 carbon atoms, more preferably 1 carbon number. When X is SO ₃ or SO ₄ , R ⁴ preferably has about 2 to about 4 carbon atoms, more preferably 3.
[113] Examples of zwitterionic surfactants of the invention include the following compounds:
[114] Cetyl dimethyl betaine (the material also has cetyl betaine under the CTFA name):
[115]
[116] Cocamidopropyl Betaine:
[117]
[118] Wherein R has from about 9 to about 13 carbon atoms
[119] Cocamidopropyl Hydroxy Sultine:
[120]
[121] (Wherein R has from about 9 to about 13 carbon atoms).
[122] Examples of other useful zwitterionic surfactants include the formulas RN [(CH ₂ ) _m CO ₂ M] ₂ and RNH (CH ₂ ) _m CO ₂ M (wherein m is 1-4 and R is C ₈ −). C ₂₂ alkyl or alkenyl, M is H, an alkali metal, alkaline earth metal ammonium or alkanol ammonium), an aminoalkanoate, an alkyliminoacetate and an iminodialkanoate. Also included are imidazolinium and ammonium derivatives. Specific examples of suitable zwitterionic surfactants include sodium 3-dodecyl-aminopropionate, sodium 3-dodecylaminopropane sulfonate, N-higher alkyl aspartic acids, such as US Pat. No. 2,438,091, incorporated herein by reference in its entirety. As reflected by the teachings of And products described in US Pat. No. 2,528,378 (incorporated herein by reference in its entirety) and sold under the trade name “Miranol”. Other examples of useful zwitterionic surfactants include zwitterionic phosphates such as coamidopropyl PG-dimonium chloride phosphate (available from Mona Corp. as Monaquat PTC). Ampoacetates such as disodium lauroampodiacetate, sodium lauroampoacetate and mixtures thereof are also useful.
[123] Preferred foaming surfactants are selected from the group consisting of:
[124] Ammonium lauroyl sarcosinate, sodium trideset sulfate, sodium lauroyl sarcosinate, ammonium laureth sulfate, sodium laureth sulfate, ammonium lauryl sulfate, sodium lauryl sulfate, ammonium cocoyl Isethionate, sodium cocoyl isethionate, sodium lauroyl isethionate, sodium cetyl sulfate, sodium monolauryl phosphate, sodium cocoglyceryl ether sulfonate, sodium C ₉ -C ₂₂ soap and combinations thereof Anionic foaming surfactants selected from the group consisting of; Nonionic foaming interface selected from the group consisting of laumine oxide, cocoamine oxide, decyl polyglucose, lauryl polyglucose, sucrose cocoate, C12-C14 glucosamide, sucrose laurate and combinations thereof Active agent; Cationic foaming surfactants selected from the group consisting of fatty amines, divalent fatty quaternary amines, trivalent fatty quaternary amines, imidazolinium quaternary amines, and combinations thereof; A zwitterionic foaming surfactant selected from the group consisting of disodium lauroampoacetate, sodium lauroampoacetate, cetyl dimethyl betaine, cocoamidopropyl betaine, cocoamidopropyl hydroxy sultaine and combinations thereof.
[125] Therapeutic gain ingredients
[126] The articles of the invention further contain essentially therapeutic benefit ingredients. These benefit ingredients are disposed adjacent to the substrate sheet and are about 10% to about 1000%, more preferably about 10% to about 500%, most preferably about 10% to about 250, based on the weight of the water-insoluble substrate. % Therapeutic benefit agents are included.
[127] In one embodiment, the therapeutic benefit component is disposed on the surface of the first substrate layer and / or the second substrate layer at one or more locations in a form selected from the group consisting of shape, design, logo, and combinations thereof. Suitable shapes include those selected from the group consisting of dots, straight lines, curves, stars, rectangles, triangles, ellipses, and combinations thereof. Exemplary logos include "P &G" and Olay This may be included. In a preferred embodiment, the benefit component is disposed on one or more surfaces of the first substrate layer and / or the second substrate layer at multiple locations. In this example, the benefit component is to be disposed on the inner or outer surface or both surfaces of the substrate sheet. In certain embodiments, the therapeutic benefit component is disposed between the first and second substrate layers of the article of the present invention. In this embodiment, the benefit component is sandwiched between the substrate sheets. In any case, the benefit component is disposed on the layer in an isolated area, for example in the form of a shape, design or logo.
[128] In another embodiment of the invention in which a storage enclosure is formed, the therapeutic benefit component is disposed within the storage enclosure for efficient transportation to the surface to be treated.
[129] In an example where the therapeutic benefit component is disposed on the surface of one or both layers or in a storage enclosure, the therapeutic benefit component occupies less than about 50 cm 2 of substrate sheet surface area per gram of benefit component. This occupied surface area is determined from overhead or top observation perspectives by the total therapeutic benefit component-charged surface area per gram of benefit component. Thus, the occupied surface area of the base sheet is considered to be a single surface, two surfaces (top and bottom), or multiple surfaces of the base sheet. Preferably, the surface area occupied by the benefit component is less than about 40 cm 2 of substrate sheet per benefit component, more preferably about 25 cm 2 / gram of benefit component, most preferably about 10 cm 2 / gram of benefit component. Without wishing to be bound by theory, Applicants note that the reduction of the surface area occupied by the therapeutic benefit component creates a “isolated pocket” of the benefit formulation, which is more effective than that provided by the benefit formulation coated on the substrate in a relatively thin layer. It has been found to provide therapeutic benefit. The reduced surface area occupancy of the benefit ingredients or formulations is believed to minimize interaction with the cleansing ingredients, thus enlarging the amount of benefit ingredients that are preserved for therapeutic treatment upon completion of the cleansing process.
[130] Without wishing to be bound by theory, Applicants may include: a) a substrate sheet containing a first substrate layer and a second substrate layer having a second substrate layer attached to the first substrate layer; And b) a therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit is alone provided with a therapeutic benefit component having a charge surface area of the therapeutic benefit component of less than about 50 cm 2. Found that it can.
[131] Preferably, the therapeutic benefit agent of the benefit ingredient is selected from the group consisting of hydrophobic conditioning agents, hydrophilic conditioning agents, structured conditioning agents and combinations thereof.
[132] Hydrophobic Conditioning Agent
[133] Articles of the invention may include one or more hydrophobic conditioning agents useful for providing conditioning benefits to the skin or hair during use of the article. The article of the present invention preferably has a hydrophobicity of about 0.5% to about 1,000%, more preferably about 1% to about 200%, most preferably about 10% to about 100% by weight of the water-insoluble substrate. Conditioning agents are included.
[134] The hydrophobic conditioning agent may be selected from one or more hydrophobic conditioning agents such that the weighted arithmetic mean solubility parameter of the hydrophobic conditioning agent is 10.5 or less. Based on the mathematical definition of the solubility parameter, for example, for hydrophobic conditioning agents comprising two or more compounds, even if one of the compounds has an individual solubility parameter of greater than 10.5, the weighted average solubility parameter required, i.e. 10.5 or less It is recognized that it is possible to achieve.
[135] Solubility parameters are well known to formulation chemists in the art and are routinely used as guidelines for determining compatibility and solubility of materials in the formulation process.
[136] The solubility parameter δ of the chemical compound is defined as the square root of the aggregation energy density of the compound. Typically, the solubility parameter for one compound is calculated from the tabulated values of the heat of evaporation and the addition group contribution to the molar volume of the component of that compound using the following formula:
[137]
[138] (Wherein, Σ _i E _i = sum of contributions of evaporative heat addition groups and Σ _i m _i = sum of contributions of molar volume addition groups). A list of standards for the contribution of evaporative heat and molar volume addition groups of various atoms and atomic groups is given in Barton, AFM, Handbook of Solubility Parameters , CRC Press, Chapter 6, Table 3, pp. 64-66 (1985), which is hereby incorporated by reference in its entirety. The solubility parameter formula is Fedors, RF "A Method for Estimating Both the Solubility Parameters and Molar Volumes of Liquids", Polymer Engineering and Science, Vol. 14, no. 2, pp. 147-154 (February 1974), which is hereby incorporated by reference in its entirety.
[139] The solubility parameter follows the law of the mixture that the solubility parameter of the substance mixture is given by the weight arithmetic mean (ie, weight average) of the solubility parameters of each component of the mixture. Handbook of Chemistry and Physics , 57th edition, CRC Press, p. C-726 (1976-1977).
[140] Formulation chemists typically report and use solubility parameters in units of (dl / cm 3) ^1/2 . In the Handbook of Solubility Parameters , the figures in the table for the contribution of the additional groups of evaporative heat are reported in kJ / mol. However, the heat of evaporation values listed in the table are easily converted to dl / mol using the following well known formula:
[141] 1 J / mol = 0.239006 dl / mol and 1000 J = 1 kJ
[142] Gordon, AJ et al., The Chemist's Companion , John Wiley & Sons, pp. 456-463 (1972).
[143] The solubility parameters for a wide variety of chemicals are also listed in the table. A table of solubility parameters is shown in the above mentioned Handbook of Solubility Parameters . See also, "Solubility Effects In Product, Package, Penetration, And Preservation", CD Vaughan, Cosmetics and Toiletries , Vol. 103, October 1988, pp. 47-69.
[144] Non-limiting examples of hydrophobic conditioning agents include mineral oil, mineral oil, lecithin, hydrogenated lecithin, lanolin, lanolin derivatives, C7-C40 branched chain hydrocarbons, C1-C30 alcohol esters of C1-C30 carboxylic acids, C2-C30 dicarboxylic C1-C30 alcohol ester of acid, monoglyceride of C1-C30 carboxylic acid, diglyceride of C1-C30 carboxylic acid, triglyceride of C1-C30 carboxylic acid, ethylene glycol monoester of C1-C30 carboxylic acid, C1 Ethylene glycol diester of -C30 carboxylic acid, propylene glycol monoester of C1-C30 carboxylic acid, propylene glycol diester of C1-C30 carboxylic acid, C1-C30 carboxylic acid monoester and polyester of sugar, polydi Alkylsiloxane, Polydiarylsiloxane, Polyalkoxysiloxane, Cyclomethicone of 3 to 9 silicon number, Vegetable oil, Hydrogenated vegetable oil, Polypropylene glycol C4-C20 alkyl ether, Di C8-C30 alkyl ether Le and combinations thereof.
[145] Mineral oils, also known as mineral oil liquids, are mixtures of liquid hydrocarbons obtained from petroleum. The Merck Index, 10th Edition, Entry 7048, p. 1033 (1983) and International Cosmetic Ingredient Dictionary, 5th Edition, Vol. 1, p. 415-417 (1993).
[146] Mineral oil, also known as petroleum jelly, is a colloidal system of non-chain solid hydrocarbons and high-boiling liquid hydrocarbons, most of which are trapped in micelles. The Merck Index, 10th Edition, Entry 7047, p. 1033 (1983); Schindler, Drug. Cosmet. Ind. , 89 , 36-37, 76, 78-80, 82 (1961), and International Cosmetic Ingredient Dictionary, 5th Edition, Vol. 1, p. 537 (1993).
[147] Lecithin is also useful as a hydrophobic conditioning agent. This is a naturally occurring mixture of diglycerides of certain fatty acids, linked to choline esters of phosphoric acid.
[148] Straight and branched chain hydrocarbons having about 7 to about 40 carbon atoms are useful herein. Non-limiting examples of such hydrocarbon materials include dodecane, isododecane, squalane, cholesterol, hydrogenated polyisobutylene, docoic acid (ie, C ₂₂ hydrocarbons), hexadecane, isohexadecane (Presperse (South Plainfield, NJ)). Permethyl Hydrocarbons sold as 101A). Also useful are C7-C40 isoparaffins, which are C7-C40 branched chain hydrocarbons. Polydecenes, which are branched chain liquid hydrocarbons, are also useful herein and are under the trade name Puresyn 100 under Mobile Chemical (Edison, NJ). And Puresyn 3000 Is commercially available.
[149] Also useful are C1-C30 alcohol esters of C1-C30 carboxylic acids and C2-C30 dicarboxylic acids, including straight and branched chain materials as well as aromatic derivatives. Also esters such as monoglycerides of C1-C30 carboxylic acids, diglycerides of C1-C30 carboxylic acids, triglycerides of C1-C30 carboxylic acids, ethylene glycol monoesters of C1-C30 carboxylic acids, C1-C30 carboxyl Ethylene glycol diesters of acids, propylene glycol monoesters of C1-C30 carboxylic acids and propylene glycol diesters of C1-C30 carboxylic acids are useful. Straight chain, branched and aryl carboxylic acids are included here. Also useful are propoxylated and ethoxylated derivatives of these materials. Non-limiting examples include diisopropyl sebacate, diisopropyl adipate, isopropyl myristate, isopropyl palmitate, myristyl propionate, ethylene glycol distearate, 2-ethylhexyl palmitate, isodecyl neopentano Ate, di-2-ethylhexyl maleate, cetyl palmitate, myristyl myristate, stearyl stearate, cetyl stearate, behenyl behenate, dioctyl maleate, dioctyl sebacate, diisopropyl adipate, Cetyl octanoate, diisopropyl dilinoleate, caprylic / capric triglyceride, PEG-6 caprylic / capric triglyceride, PEG-8 caprylic / capric triglyceride and combinations thereof Included.
[150] Various C1-C30 monoesters and polyesters of sugars and related materials are also useful. The esters are derived from sugar or polyol moieties and one or more carboxylic acid moieties. Depending on the constituent acids and sugars, the esters may be in liquid or solid form at room temperature. Examples of liquid esters include: glucose tetraoleate, glucose tetraester of soybean oil fatty acid (unsaturated), mannose tetraester of mixed soybean oil fatty acid, galactose tetraester of oleic acid, arabinose tetraester of linoleic acid, xylose tetralinol Latex, galactose pentaoleate, sorbitol tetraoleate, sorbitol hexaester of unsaturated soybean oil fatty acid, xylitol pentaoleate, sucrose tetraoleate, sucrose pentaoleate, sucrose hexaoleate, sucrose heptolalate, water Cross octaoleate, and mixtures thereof. Examples of solid esters include: sorbitol hexaester, palmitate and arachidate, wherein the carboxylic acid ester moieties are present in a molar ratio of 1: 2; Octaester of raffinose, which is linoleate and behenate in which the carboxylic acid ester moieties are present in a molar ratio of 1: 3; Heptaester of maltose which is a sunflower seed oil fatty acid and lignocerate in which the esterified carboxylic acid moieties are present in a molar ratio of 3: 4; Octaester of sucrose, which is an oleate and a behenate in which the esterified carboxylic acid moieties are present in a molar ratio of 2: 6; And octaesters of sucrose, wherein the esterified carboxylic acid moiety is laurate, linoleate and behenate, present in a molar ratio of 1: 3: 4. Preferred solid materials are sucrose polyesters having an esterification degree of 7-8, fatty acid moieties of C18 mono- and / or di-unsaturated and behenic, and a molar ratio of unsaturated: behenic 1: 7 to 3: 5. to be. Particularly preferred solid sugar polyesters are octaesters of sucrose with about 7 behenic fatty acid moieties and about 1 oleic acid moiety present in the molecule. Other substances include sucrose, cottonseed or soybean oil fatty acids. Such ester materials include, but are not limited to, US Pat. No. 2,831,854 and US Pat. No. 4,005,196 to Jandacek, January 25, 1977, which are hereby incorporated by reference in their entirety; U.S. Patent No. 4,005,195 to Jandacek, Jan. 25, 1977; U.S. Patent No. 5,306,516 to Letton et al., April 26, 1994; U.S. Patent 5,306,515, issued to Letton et al. On April 26, 1994; U.S. Patent No. 5,305,514, issued to Letton et al. On April 26, 1994; U.S. Patent 4,797,300, issued to Jandacek et al. On January 10, 1989; US Patent No. 3,963,699, issued to Rizzi et al. On June 15, 1976; U.S. Patent No. 4,518,772, issued to Volpenhein et al. On May 21, 1985; And US Pat. No. 4,517,360, issued to Volpenhein on May 21, 1985.
[151] Nonvolatile silicones such as polydialkylsiloxanes, polydiarylsiloxanes, and polyalkoxysiloxanes are also useful oils. These silicones are described in US Pat. No. 5,069,897, issued to Orr on December 3, 1991, which is incorporated herein by reference in its entirety. Polyalkylsiloxanes have the general formula R₃SiO [R₂SiO]_xSiR₃Wherein R is an alkyl group (preferably R is methyl or ethyl, more preferably methyl), and x is an integer of about 500 or less selected to obtain the desired molecular weight. Commercially available polyalkylsiloxanes include polydimethylsiloxanes, also known as dimethicones; Non-limiting examples of these are VicasilSeries (sold by General Electric Company), and Dow Corning200 series (Dow Corning Corporation sold). Specific examples of polydimethylsiloxanes useful herein include Dow Corning having a viscosity of 10 centistokes and a boiling point above 200 ° C.225 fluids and Dow Corning with viscosities 50, 350, and 12,500 centistokes respectively and boiling point above 200 ° C200 fluids. Also useful are materials such as trimethylsiloxysilicate, which are represented by the general formula [(CH₂)₃SiO_1/2]_x[SiO₂]_yCorresponding polymeric material wherein x is an integer from about 1 to about 500 and y is an integer from about 1 to about 500. Commercially available trimethylsiloxysilicate is used in a mixture with dimethicone Sold as 593 fluid. Dimethiconol, which is a hydroxy terminated dimethyl silicone, is also useful here. The materials are chemical formula R₃SiO [R₂SiO]_xSiR₂OH and HOR₂SiO [R₂SiO]_xSiR₂May be represented by OH, wherein R is an alkyl group (preferably R is methyl or ethyl, more preferably methyl) and x is an integer of about 500 or less selected to obtain the desired molecular weight. Knoll is typically sold as a mixture with dimethicone or cyclomethicone (eg, Dow Corning1401, 1402, and 1403 fluid). Polyalkylaryl siloxanes are useful herein, with polymethylphenylsiloxanes having a viscosity of about 15 to about 65 centistokes at 25 ° C. The materials are commercially available, for example, as SF 1075 methylphenyl fluid (sold by General Electric Company) and 556 cosmetic grade phenyl trimethicone fluid (sold by Dow Corning Corporation). Alkylated silicones such as methyldecyl silicone and methyloctyl silicone are also useful here and are commercially available from General Electric Company. In addition, alkyl modified siloxanes such as alkyl methicones and alkyl dimethicones are also useful, wherein the alkyl chains have 10 to 50 carbon atoms. These siloxanes are ABIL WAX 9810 (C₂₄-C₂₈Commercially available under the trade names Alkyl Methicone) (sold by Goldschmidt) and SF1632 (Cetearyl Methicone) (sold by General Electric Company).
[152] Plant oils and hydrogenated plant oils are also useful here. Examples of plant oils and hydrogenated plant oils include safflower oil, castor oil, coconut oil, cottonseed oil, menhaden oil, palm fruit oil, palm oil, peanut oil, soybean oil, rapeseed oil, flaxseed oil, rice bran Oil, pine oil, sesame oil, sunflower seed oil, hydrogenated safflower oil, hydrogenated castor oil, hydrogenated coconut oil, hydrogenated cottonseed oil, hydrogenated menheiden oil, hydrogenated palm fruit oil, hydrogenated palm oil, hydrogenated peanut oil, hydrogenated soybean oil, hydrogenated rapeseed oil Hydrogenated flaxseed oil, hydrogenated rice bran oil, hydrogenated sesame oil, hydrogenated sunflower seed oil, and mixtures thereof.
[153] Also useful are C4-C20 alkyl ethers of polypropylene glycol, C1-C20 carboxylic acid esters of polypropylene glycol, and di-C8-C30 alkyl ethers. Non-limiting examples of such materials include PPG-14 butyl ether, PPG-15 stearyl ether, dioctyl ether, dodecyl octyl ether, and mixtures thereof.
[154] Hydrophobic chelating agents in the present invention are also useful as hydrophobic conditioning agents. Suitable chelating agents are disclosed in US Pat. No. 4,387,244 (Scanlon et al., June 7, 1983) and co-pending US patent applications Ser. Nos. 09 / 258,747 and 09 / 259,485 (February 26, 1999 Schwartz et al. Filed under the name of.
[155] Hydrophilic Conditioning Agent
[156] The article of the present invention may optionally comprise one or more hydrophilic conditioning agents. Non-limiting examples of hydrophilic conditioning agents include polyhydric alcohols, polypropylene glycols, polyethylene glycols, urea, pyrrolidone, carboxylic acids, ethoxylated and / or propoxylated C3-C6 diols and triols, alpha-hydroxy C2 -C6 carboxylic acids, ethoxylated and / or propoxylated sugars, polyacrylic acid copolymers, sugars having up to about 12 carbon atoms, sugar alcohols up to about 12 carbon atoms, and mixtures thereof. Specific examples of useful hydrophilic conditioning agents include urea; Guanidine; Glycolic acid and glycolate salts (eg, ammonium and quaternary alkyl ammonium); Lactic acid and lactate salts (eg, ammonium and quaternary alkyl ammonium); Sucrose, fructose, glucose, eruthrose, erythritol, sorbitol, mannitol, glycerol, hexanetriol, propylene glycol, butylene glycol, hexylene glycol, and the like; Polyethylene glycols such as PEG-2, PEG-3, PEG-4, PEG-12, PEG-30, PEG-50, PPG-9, PPG-12, PPG-15, PPG-17, PPG-20, PPG- Polypropylene glycols such as 26, PPG-30, PPG-34; Alkoxylated glucose; Hyaluronic acid; Cationic skin conditioning polymers (eg, quaternary ammonium polymers such as polyquaternium polymers); And materials such as mixtures thereof. In particular, glycerol is a preferred hydrophilic conditioning agent for the articles of the present invention. In addition, various forms of aloe vera (eg, aloe vera gel), chitosan and chitosan derivatives such as chitosan lactate, lactamide monoethanolamine; Acetamide monoethanolamine; And materials such as mixtures thereof are also useful. Propoxylated glycerols, such as propoxylated glycerol, described in US Pat. No. 4,976,953, issued to Orr et al., Dec. 11, 1990, which is incorporated herein by reference in its entirety.
[157] Therapeutic benefit components can be prepared in various forms. In one embodiment of the invention, the therapeutic benefit component is in the form of an emulsion. By way of example, oil-in-water, water-in-oil, oil-in-water, and oil-in-water emulsions in silicones are useful herein. As used in the emulsion, "water" can refer to water alone as well as water miscible materials such as water soluble or glycerin. Similarly, "oil" is meant to include hydrophobic materials.
[158] Preferred therapeutic benefit ingredients include emulsions further comprising an aqueous phase and an oil phase. As will be understood by one skilled in the art, certain ingredients will be distributed primarily in the aqueous or oil phase depending on the water solubility / dispersibility of the therapeutic benefit agent in the ingredients. In one embodiment, the oil phase comprises at least one hydrophobic conditioning agent. In another embodiment, the aqueous phase comprises one or more hydrophilic conditioning agents.
[159] The therapeutic benefit ingredients of the present invention, in the form of emulsions, generally contain an aqueous phase and an oil phase or lipid phase. Suitable oils or lipids can be derived from animals, plants or petroleum and can be natural or synthetic (ie artificial). Such oils are those discussed in the hydrophobic conditioning agents section above. Suitable aqueous phase components include the hydrophilic conditioning agents discussed above. Preferred emulsion forms include water-in-oil emulsions, water-in-silicone emulsions, and other reverse phase emulsions. In addition, preferred emulsions also contain hydrophilic conditioning agents, such as glycerin, to produce glycerin emulsions in oil.
[160] The therapeutic benefit components in the emulsion form preferably contain about 1% to about 10%, more preferably about 2% to about 5% of an emulsifier, by weight of the therapeutic benefit component. Emulsifiers may be nonionic, anionic or cationic. Suitable emulsifiers are described, for example, in US Pat. No. 3,755,560 (August 28, 1973 to Dickert et al.); US Patent No. 4,421,769 to Dixon et al. On December 20, 1983; And McCutcheon's Detergents and Emulsifiers , North American Edition, p. 317-324 (1986). The therapeutic benefit ingredients in emulsion form may also contain antifoaming agents to minimize foam formation upon application to the skin. Foam forming inhibitors include high molecular weight silicone and other materials that are well known in the art for this use.
[161] The therapeutic benefit component may also be present in the form of a microemulsion. As used herein, the term "microemulsion" refers to a thermodynamically stable mixture of two immiscible solvents (one nonpolar and one polar) stabilized by a surfactant which is an amphoteric molecule. Preferred microemulsions include water-in-oil microemulsions.
[162] Structured conditioning agents
[163] The therapeutic benefit component may include structured conditioning agents. Suitable structured conditioning agents include, but are not limited to, vesicular structures such as ceramides, liposomes, and the like.
[164] In another embodiment, the therapeutic benefit agents of the benefit ingredient are included in the coacervate forming composition or coacervate. Preferably, the coacervate forming composition comprises a cationic polymer, an anionic surfactant, and a dermatopathologically suitable carrier for the polymer and surfactant. The cationic polymer may be selected from the group consisting of quaternary ammonium polymers of natural backbone, quaternary ammonium polymers of synthetic backbone, amphoteric polymers of natural backbone, amphoteric polymers of synthetic backbone, and combinations thereof.
[165] More preferably, the cationic polymer is polyquaternium-4, polyquaternium-10, polyquaternium-24, PG-hydroxyethylcellulose alkyldimonium chloride, guar hydroxypropyltrimonium chloride, hydroxypropyl Quaternary ammonium polymers of natural backbone selected from the group consisting of guar hydroxypropyltrimonium chloride, and combinations thereof; Polyquaternium-2, Polyquaternium-6, Polyquaternium-7, Polyquaternium-11, Polyquaternium-16, Polyquaternium-17, Polyquaternium-18, Polyquaternium-28, Polyquater Nium-32, polyquaternium-37, polyquaternium-43, polyquaternium-44, polyquaternium-46, polymethacrylamidopropyl trimonium chloride, acrylamidopropyl trimonium chloride / acrylamide copolymer Quaternary ammonium polymers of a synthetic backbone selected from the group consisting of: and combinations thereof; Natural backbone amphoteric polymers selected from the group consisting of chitosan, quaternized proteins, hydrolyzed proteins and combinations thereof; Polyquaternium-22, polyquaternium-39, polyquaternium-47, adipic acid / dimethylaminohydroxypropyl diethylenetriamine copolymer, polyvinylpyrrolidone / dimethylriaminoethyl methacrylate copolymer, Vinyl caprolactam / polyvinylpyrrolidone / dimethylaminoethyl methacrylate copolymer, vinyl caprolactam / polyvinylpyrrolidone / dimethylaminopropylmethacrylamide trimer, polyvinylpyrrolidone / dimethylaminopropylmethacrylamide Amphoteric polymers of synthetic backbone selected from the group consisting of copolymers, polyamines, and combinations thereof; And combinations thereof. More preferably, the cationic polymer is an amphoteric polymer of synthetic backbone. Even more preferably, the cationic polymer is a polyamine.
[166] If the cationic polymer is a polyamine, the cationic polyamine polymer is preferably selected from the group consisting of polyethyleneimine, polyvinylamine, polypropyleneimine, polylysine, and combinations thereof. More preferably, the cationic polyamine polymer is polyethyleneimine.
[167] In certain embodiments where the cationic polymer is a polyamine, the polyamines may be those hydrophobically or hydrophilically modified. In this case, the cationic polyamine polymer is selected from the group consisting of benzylated polyamines, ethoxylated polyamines, propoxylated polyamines, alkylated polyamines, amidated polyamines, esterified polyamines, and combinations thereof. The coacervate forming composition comprises from about 0.01% to about 20%, more preferably from about 0.05% to about 10%, and most preferably from about 0.1% to about 5% by weight of the coacervate forming composition. .
[168] Suitable anionic surfactants include those mentioned above in connection with the "cleansing component". Preferably, for coacervate forming compositions, the anionic surfactants are sarcosinates, glutamate, sodium alkyl sulfates, ammonium alkyl sulfates, sodium alkylate sulfates, ammonium alkylate sulfates, ammonium laureth-n-sulphate Pate, sodium laureth-n-sulfate, isethionate, glycerylether sulfonate, sulfosuccinate, and combinations thereof. More preferably, the anionic surfactant is sodium lauroyl sarcosinate, monosodium lauroyl glutamate, sodium alkyl sulfate, ammonium alkyl sulfate, sodium alkylate sulfate, ammonium alkylate sulfate, and their Selected from the group consisting of combinations.
[169] Suitable coacervate forming compositions are disclosed in co-pending US patent application Ser. No. 09 / 397,747, filed Sep. 16, 1999, respectively; 09 / 397,746, filed under the name Heinrich et al .; 09 / 397,712, filed under the name Schwartz et al .; 09 / 397,723 filed in the name of Heinrich et al .; And 09 / 397,722, filed in the name of Venkitaraman et al.
[170] Alternatively, the coacervate forming composition or coacervate may comprise anionic polymers, cationic surfactants, and dermatologically suitable carriers for the polymers and surfactants. Anionic polymers include polyacrylic acid polymers, polyacrylamide polymers, copolymers of acrylic acid, acrylamides, and other natural or synthetic polymers (eg, polystyrene, polybutene, polyurethane, etc.), naturally derived gums, and these It can be selected from the group consisting of the combination of Suitable gums include alginates (eg propylene glycol alginate), pectin, chitosan (eg chitosan lactate), and modified gums (eg starch octenyl succinate), and combinations thereof. More preferably, the anionic polymer is selected from the group consisting of polyacrylic acid polymers, polyacrylamide polymers, pectin, chitosan, and combinations thereof. Preferred articles of the invention include from about 0.01% to about 20%, more preferably from about 0.05% to about 10%, most preferably from about 0.1% to about 5% by weight of the coacervate forming composition. do. Suitable cationic surfactants include, but are not limited to, those discussed herein.
[171] The therapeutic benefit components of the article include, but are not limited to, conditioning agents, anti-acne actives, anti-wrinkle actives, anti-microbial actives, anti-fungal actives, anti-inflammatory actives, local anesthetics, artificial tanning and accelerators, anti-viral agents, enzymes, A variety of materials, including but not limited to sunscreen actives, anti-oxidants, skin exfoliants, and combinations thereof, are suitable for providing therapeutic or cosmetic benefits to skin or hair by depositing them on the skin or hair surface.
[172] It is to be understood that the therapeutic benefit ingredient may be included in the cleansing ingredients of the present invention, or vice versa, to form one ingredient with indistinguishable ingredients.
[173] The physical properties of the article components and the article itself
[174] Wear Value Methodology
[175] Abrasion values represent the "non-refining" properties of the first and second substrate layers of this article. The base layer of the present invention is gently exfoliated but not rough to the skin. Thus, the wear value measurement involves using a mechanical device to rub the substrate along the test surface and then testing the scratch marks produced on the test surface using different analytical techniques.
[176] The following apparatus is required for the methodology.
[177] Martindale Toothbrush Abrasion Tester: Model 103, serial number 103-1386 / 2 or later. James H. Heal and Co. Ltd. Manufactured by Martindale 07-01-88. Fabric testing and QC device. Foot area: 43 × 44 mm. 1 kg weight.
[178] 2. Capped polystyrene strip 11 × 8 cm. Clean conventional polystyrene layer on white high impact polystyrene, for example EMA Model Supplies SS-20201L.
[179] 3. The substrate to be tested.
[180] 4. Glossimeters, for example Sheen Tri-Microgloss 20-60-85.
[181] The plastic protective coating is removed from the side to be scratched and rinsed with ethanol (without tissue) to produce a polystyrene strip for scratches. Place the strip on an unweared surface and allow the strip to dry in air. Next, a polystyrene strip is attached to the bottom of the Martindale wear tester using tape along the edges. The strip is aligned centered under the passageway of the scrubber with the length of the strip in the direction of travel. Cut a 2.5 "x 2.5" substrate sample. The double sided tape is used to attach the substrate sample to the scrub foot of the Martindale wear tester to align the machine direction of the substrate in the advancing direction. Insert the scrub foot assembly into the screw-supplied instrument. Place a 1 kg weight on top of the scrub foot assembly and allow the scrub foot to move in only one direction (back and forth). Cover the Martindale wear tester with a safety screen. Set up and run the machine to perform 50 cycles per minute. (Frequency = 0.833 Hz). Once the machine has stopped, remove the footer assembly and remove the polystyrene strip from the bottom of the machine. The polystyrene representing the substrate used is labeled and stored in a plastic bag.
[182] The strip is then analyzed. The strip is placed on a black constituent paper background and five or more samples of the same substrate are analyzed to obtain a reproducible average. The glossmeter is placed at right angles (with the light beam at the right angle to the scratch) and centered over the scratched side of the polystyrene strip. A 20 ° angle is selected and the sample is measured to obtain a wear value. As the wear value decreases, the scratchability or refining of the substrate increases.
[183] Conservative methodology
[184] As described above, the articles of the present invention are considered to be "substantially dry." As used herein, "substantially dry" means that the articles of the invention are less than about 0.95 g, preferably less than about 0.75 g, more preferably less than about 0.5 g, more preferably less than about 0.25 g, even more preferably A water retention of less than about 0.15 g, and most preferably less than about 0.1 g. The water retention is a measure of dryness as opposed to feeling like a "wet" towel that users perceive when touching the articles of the present invention.
[185] In order to determine the water holding capacity of articles of the present invention and articles based on other disposable substrates, the following devices and materials are needed.
[186] Bounty white paper towel Procter & Gamble SKU37000 63037 Basic Weight = 42.14gsm Scale Exactly 0.0g Lexan Large enough to fully cover a 0.5 "sample and weighs 1000g Weight 2000g weights or combinations equivalent to 2000g
[187] Then, two paper towels are weighed separately and recorded. A piece of paper towel is placed on a flat surface (eg lab bench). Place a sample article on the towel. Place another piece of paper towel on top of the sample item. The lexan is then placed and the 2000 g weight (s) placed on the sandwiched sample article. Wait for 1 minute. After 1 minute, the weight (s) and lexan are removed. Weigh the paper towels above and below the sample and record the weight.
[188] For both upper and lower paper towels, the water holding capacity is calculated by subtracting the initial paper towel weight from the final weight (after 1 minute). The weight difference obtained for the top and bottom paper towels is summed. Assuming that a large number of articles have been tested, the water holding capacity is calculated by averaging the total weight differences.
[189] Composite article embodiment
[190] The article of the invention may also be packaged separately or with additional articles suitable for providing benefits such as esthetics, treatment, functionality, etc. that are not provided by the main article, to form a personal care kit. . Preferably the additional article of such a personal care kit contains a substrate sheet containing one or more layers and a cleansing component containing a therapeutic benefit component or surfactant disposed on or impregnated in the substrate layer of the additional article. do.
[191] Additional articles of the present invention may also provide functional benefits in addition to or in place of therapeutic or aesthetic benefits. By way of example, the additional article may be used as a drying tool suitable for use to help remove water from the skin or hair after the shower or bath is over.
[192] Multiple Chamber Embodiment
[193] The article of the present invention may also contain one or more chambers. These chambers or compartments are due to the connection (eg bonding) of the substrate layers with other layers at various locations, which limits the enclosed area. Such chambers are useful, for example, for separating various article components from another, for example, a surfactant containing cleansing component from a conditioning agent. Separate article components that provide therapeutic or aesthetic or cleansing benefits include solubilization, emulsification, mechanical movement, perforation, popping, rupture, squeezing, or delamination of the substrate layer that forms part of the chamber. However, it can be discharged from the chambers in various ways, but not limited to.
[194] Optional ingredients
[195] Articles of the present invention may contain various other ingredients conventionally used with a given product type, provided they do not unacceptably alter the advantages of the present invention. Such optional ingredients should be suitable for application to human skin and hair. That is, when incorporated into articles, they should be suitable for use in contact with human skin at the discretion of sound medical or formulators without excessive toxicity, immiscibility, instability, allergic reactions, and the like. The CTFA Cosmetic Ingredient Handbook, 2nd Edition (1992) describes a wide variety of non-limiting cosmetic and pharmaceutical ingredients commonly used in the skin care industry, suitable for use in the articles of the present invention. Examples of component groups include: enzymes, abrasives, exfoliants, absorbents, esthetic ingredients such as fragrances, pigments, pigments / colorants, essential oils, skin sensitizers, astringents and the like (e.g., clove oil) Menthol, camphor, eucalyptus oil, eugenol, menthyl lactate, hamamelis distillate), anti-acne preparations (e.g. resorcinol, sulfur, salicylic acid, erythromycin, zinc, etc.), anti- Caking agents, antiforming agents, additional antimicrobial agents (eg iodopropyl butylcarbamate), antioxidants, binders, biological additives, buffers, bulking agents, chelating agents, chemical additives, colorants, cosmetic astringents, Cosmetic biocides, modifiers, drug astringents, external analgesics, film formers or materials, such as polymers to aid film-forming and substantiality of the composition (eg, eicosene and vinyl pyrrolye) Copolymers), wetting agents, opacifying agents, pH adjusting agents, propellants, reducing agents, sequestrants, skin bleaches (or lightening agents) (e.g. hydroquinone, kojic acid, ascorbic acid, magnesium ascorbyl phosphate, ascorbyl) Glucosamine), skin soothing and / or healing agents (eg panthenol and derivatives (eg ethyl panthenol), aloe vera, pantothenic acid and derivatives thereof, allantoin, bisabolol, and dipotassium glycyrizinate), skin wrinkles Skin treatments (eg, alpha-hydroxy acids such as lactic and glycolic acids and beta-hydroxy acids such as salicylic acid), thickeners, hydrocolloids, including agents for preventing, delaying, stopping, and / or converting , Certain zeolites, and vitamins and derivatives thereof (eg, tocopherol, tocopherol acetate, beta carotene, retinoic acid, retinol, retinoid, retinyl palmitate , Niacin, niacinamide, etc.). Articles of the invention may include carrier components known in the art. The carrier may comprise one or more miscible liquid or solid filler diluents or vehicles suitable for application to the skin or hair.
[196] Articles of the invention may comprise one or more of the above optional ingredients. Preferred articles are vitamin compounds, skin treatments, anti-acne actives, anti-wrinkle actives, anti-skin atrophy actives, anti-inflammatory actives, local anesthetics, artificial tanning actives and accelerators, anti-microbial actives, anti-fungal actives, suns Optionally containing a safe effective amount of a therapeutic benefit ingredient containing a therapeutic benefit agent selected from the group consisting of screen active agents, anti-oxidants, skin exfoliants, and combinations thereof. As used herein, a “safely effective amount” is sufficient to induce a significant positive effect or benefit, but serious side effects (eg, excessive toxicity or allergic reactions) are low enough to avoid, ie, reasonable benefit and risk ratios under sound medical judgment. Means the amount of a compound or component that provides
[197] Optional ingredients useful herein may be classified by the therapeutic or aesthetic benefit of the action or its assumed action. However, it is understood that the optional ingredients useful herein may in some cases provide one or more therapeutic or aesthetic benefits or act through one or more modes of action. Accordingly, classifications herein are for convenience and are not intended to limit the ingredients to a particular application or listed application. Also, where applicable, pharmaceutically acceptable salts of the components are useful herein.
[198] Vitamin compounds
[199] The article may contain vitamin compounds, their precursors and derivatives. The vitamin compound may be in natural or synthetic form. Suitable vitamin compounds include vitamin A (e.g. beta carotene, retinic acid, retinol, retinoid, retinyl palmitate, retinyl propionate, etc.), vitamin B (e.g. niacin, niacinamide, riboflavin, pantothenic acid, etc.). ), Vitamin C (eg, ascorbic acid), vitamin D (eg, ergosterol, ergocalciferol, cholecalciferol, etc.), vitamin E (eg, tocopherol acetate, etc.), and vitamins K (eg, phytonadione, menadione, pthiocol, etc.) compounds, including but not limited to.
[200] In particular, articles of the invention may contain a safe effective amount of a vitamin B ₃ compound. Vitamin B ₃ compounds are disclosed in co-pending US patent application Ser. No. 08 / 834,010, filed Apr. 11, 1997: International Publication WO 97/39733 A1, published October 30, 1997. Is particularly useful for controlling skin conditions. The therapeutic ingredient of the present invention is preferably about 0.01 to about 50%, more preferably about 0.1 to about 10%, even more preferably about 0.5 to about 10%, even more preferably about 1 to about 5% Most preferably about 2 to about 5% of a vitamin B ₃ compound.
[201] As used herein, a "vitamin B ₃ compound" is a compound having the formula:
[202]
[203] Wherein R is -CONH ₂ (ie niacinamide), -COOH (ie nicotinic acid) or -CH ₂ OH (ie nicotinyl alcohol); Their derivatives; And any salts above.
[204] Typical derivatives of the vitamin B ₃ compounds include nicotinic acid esters, including non-vascular expanding esters of nicotinic acid, nicotinyl amino acids, nicotinyl alcohol esters of carboxylic acids, nicotinic acid N-oxides, and niacinamide N-oxides. do.
[205] Examples of suitable vitamin B ₃ compounds are well known in the art and include many sources such as Sigma Chemical Company (St. Louis, MO); ICN Biomedicals, Inc. (Irvin, CA) and Aldrich Chemical Company (Milwaukee, WI).
[206] Vitamin compounds can be included as substantially pure substances, or as extracts obtained by appropriate physical and / or chemical isolation from natural (eg, plant) resources.
[207] Skin treatment
[208] The article of the present invention may contain one or more skin treatment agents. Suitable skin treatments include those that are effective in preventing, delaying, stopping and / or converting skin wrinkles. Examples of suitable skin treatments include, but are not limited to, alpha-hydroxy acids such as lactic acid and glycolic acid and beta-hydroxy acids such as salicylic acid.
[209] Anti-acne actives
[210] Examples of anti-acne active agents useful in the articles of the present invention include keratinizing agents such as salicylic acid (o-hydroxybenzoic acid), derivatives of salicylic acid such as 5-octanoyl salicylic acid, and resorcinol; Retinoids such as retinic acid and derivatives thereof (eg cis and trans); Sulfur-containing D and L amino acids and derivatives and salts thereof, especially their N-acetyl derivatives, preferred examples thereof being N-acetyl-L-cysteine; Lipoic acid; Benzoyl peroxide, octopyrox, tetracycline, 2,4,4'-trichloro-2'-hydroxy diphenyl ether, 3,4,4'-trichlorovanilide, azelaic acid and derivatives thereof, phenoxy Antibiotic and antimicrobial agents such as ethanol, phenoxypropanol, phenoxyisopropanol, ethyl acetate, clindamycin and meclocycline; Sevostats such as flavonoids; And bile salts such as simol sulphate and derivatives thereof, deoxycholate, and cholate.
[211] Anti-wrinkle and anti-skin atrophy actives
[212] Examples of anti-wrinkle and anti-skin atrophy active agents useful in the articles of the invention include retinic acid and derivatives thereof (eg cis and trans); Retinol; Retinyl esters; Niacinamide, salicylic acid and derivatives thereof; Sulfur-containing D and L amino acids and derivatives and salts thereof, in particular N-acetyl derivatives, preferred examples thereof being N-acetyl-L-cysteine; Thiols such as ethane thiol; Hydroxy acid, phytic acid, lipoic acid; Lysophosphatidic acid, and skin release agents (eg, phenol, etc.), but are not limited to these.
[213] Non-steroidal anti-inflammatory activator (NSAIDS)
[214] Examples of NSAIDS useful in the articles of the invention include, but are not limited to, the following categories: propionic acid derivatives; Acetic acid derivatives; Phenoic acid derivatives; Biphenylcarboxylic acid derivatives; And oxycam. All of these NSAIDS are fully described in US Pat. No. 4,985,459, issued January 15, 1991 to Sunshine et al., Which is incorporated herein by reference in its entirety. Examples of useful NSAIDS are acetyl salicylic acid, ibuprofen, naproxen, benzoxapropene, flubiprofen, phenopropene, fenbufen, ketoprofen, indoprofen, pirprofen, carpropene, oxaprozin , Pranopropene, miroprofen, thioxapropene, supropene, aminopropene, thiapropenic acid, flupropene and bucloxane. Also useful are steroidal anti-inflammatory drugs, including hydrocortisone and the like.
[215] Local anesthetics
[216] Examples of topical anesthetic drugs useful in the articles of the invention include benzocaine, lidocaine, bupivacaine, chlorprocaine, dibucaine, ethidocaine, mepivacaine, tetracaine, diclonaine, hexylcaine, procaine, Cocaine, ketamine, pramoxin, phenol and their pharmaceutically acceptable salts.
[217] Artificial Tanning Actives and Accelerators
[218] Examples of artificial tanning actives and promoters useful in the articles of the present invention include, but are not limited to, dihydroxyacetaone, tyrosine, tyrosine esters such as ethyl tyrosinate, and phospho-DOPA.
[219] Antimicrobial and antifungal actives
[220] Examples of antimicrobial and antifungal active agents useful in the articles of the present invention include β-lactam drugs, quinolone drugs, ciprofloxacin, norfloxacin, tetracycline, erythromycin, amikacin, 2,4,4'-trichloro-2 '-Hydroxy diphenyl ether, 3,4,4'-trichlorocarbanide, phenoxyethanol, phenoxy propanol, phenoxyisopropanol, doxycycline, capreomycin, chlorhexidine, chlortetracycline, oxytetracycline, clindamycin , Ethambutol, hexamidine isothionate, metronidazole, pentamidine, gentamicin, kanamycin, lineomycin, methacycline, metheneamine, minocycline, neomycin, netylmycin, paromomycin, streptomycin, tobramycin, myconazole , Tetracycline hydrochloride, erythromycin, zinc erythromycin, erythromycin estholate, erythromycin Stearate, amikacin sulfate, deoxycycline hydrochloride, capreomycin sulfate, chlorhexidine gluconate, chlorhexidine hydrochloride, chlortetracycline hydrochloride, oxytetracycline hydrochloride, clindamycin hydrochloride, ethambutol hydrochloride, metronidazole Hydrochloride, pentamidine hydrochloride, gentamicin sulfate, kanamycin sulfate, linomycin hydrochloride, methcycline hydrochloride, metheneamine hippurate, metheneamine mandelate, minocycline hydrochloride, neomycin sulfate, netylmycin sulfate Pate, Paromomycin Sulfate, Streptomycin Sulfate, Tobramycin Sulfate, Myconazole Hydrochloride, Amanpadin Hydrochloride, Amanpaddine Sulfate, loam rocks, blood, para-chloro-meta-xylenol, needle including statins, toll-naphthyl lactate, zinc pyrithione and clotrimazole but are not limited to.
[221] Antiviral agents
[222] The article of the present invention may further contain one or more antiviral agents. Suitable antiviral agents include, but are not limited to, metal salts (eg, silver nitrate, copper sulfate, iron chloride, and the like) and organic acids (eg, malic acid, salicylic acid, succinic acid, benzoic acid, and the like). In particular, compositions comprising further suitable antiviral agents are disclosed in co-pending US patent application Ser. No. 09 / 421,084 (Beerse et al.), Filed Oct. 19, 1999, respectively; 09 / 421,131 (Biedermann et al.); 09 / 420,646 to Morgan et al .; And 09 / 421,179 (Page et al.).
[223] enzyme
[224] Articles of the invention may optionally comprise one or more enzymes. Preferably such enzymes are dermatologically acceptable. Suitable enzymes include, but are not limited to keratinase, protease, amylase, subtilisin, and the like.
[225] Sunscreen actives
[226] Also useful herein are sunscreen actives. Various sunscreens are disclosed in U.S. Patent No. 5,087,445 to Haffey et al., Feb. 11, 1992; U.S. Patent 5,073,372 (Turner et al., Issued Dec. 17, 1991); U.S. Patent 5,073,371 (Turner et al., Issued Dec. 17, 1991); And Chapter VII of Cosmetics Science and Technology , page 189 and below, all of which are incorporated herein by reference in their entirety. Non-limiting examples of sunscreen agents useful in the compositions of the present invention include 2-ethylhexyl p-methoxycinnamate, 2-ethylhexyl N, N-dimethyl-p-aminobenzoate, p-aminobenzoic acid, 2-phenyl Benzimidazole-5-sulfonic acid, octocrylene, oxybenzone, homomentyl salicylate, octyl salicylate, 4,4'-methoxy-t-butyldibenzoylmethane, 4-isopropyl dibenzoylmethane, 3 -Benzylidene camphor, 3- (4-methylbenzylidene) camphor, titanium dioxide, zinc oxide, silica, iron oxide, and mixtures thereof. Still other useful sunscreen agents are disclosed in US Pat. No. 4,937,370 (Sabatelli, issued June 26, 1990) and US Pat. No. 4,999,186, issued March 12, 1991, incorporated herein by reference in its entirety. will be. Particularly preferred examples of the sunscreen agent are 4-N, N- (2-ethylhexyl) methylaminobenzoic acid ester of 2,4-dihydroxybenzophenone, 4-N, N- of 4-hydroxydibenzoylmethane (2-ethylhexyl) methylaminobenzoic acid ester, 4-N, N- (2-ethylhexyl) methylaminobenzoic acid ester of 2-hydroxy-4- (2-hydroxyethoxy) benzophenone, 4- (2 4-N, N- (2-ethylhexyl) methylaminobenzoic acid ester of -hydroxyethoxy) dibenzoylmethane and mixtures thereof. The exact amount of sunscreen that can be used will depend on the sunscreen selected and the desired sun protection index (SPF). SPF is commonly used to measure the photoprotection of sunscreens against erythema. Federal Register , incorporated herein by reference in its entirety. 43, No. 166, pp. 38206-38269 (August 25, 1978).
[227] Hydrocolloid
[228] Hydrocolloids may also optionally be included in the articles of the present invention. Hydrocolloids are well known in the art and help to extend the useful life of the surfactants included in the cleansing components of the present invention so that the article can last through one or more entire showers or baths. Suitable hydrocolloids include xanthan gum, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, methyl and ethyl cellulose, natural gum, gudras guar gum, soybean gum, natural starch, deionized starch (e.g. starch) Octenyl succinate) and the like, but is not limited thereto.
[229] Pyrogenic zeolite
[230] Zeolites and other compounds that exothermic when combined with water may also optionally be included in the articles of the present invention.
[231] Oil Soluble Polymeric Gelling Agent
[232] Preferably the article of the invention contains at least one polymeric material which is oil soluble and forms a gel with the hydrophobic material (eg oil) of the therapeutic benefit component. Such polymers are beneficial for structuring these materials, resulting in flexible gels with improved stability and shear resistance.
[233] If hydrophobic gels are present, the article preferably contains from about 0.05 to about 100%, more preferably from about 0.1 to about 20%, most preferably from about 1 to about 10% by weight of the base sheet weight. (Calculated based on the dry weight of the polymeric gelling agent).
[234] Particular preference is given to oil-soluble polymeric materials that are at least partially crosslinked with a degree of softening <160 °. Suitable materials include PE (polyethylene), PVA (polyvinyl alcohol) and derivatives, PVP (polyvinylpyrrolidone) and derivatives, PVP / alkene copolymers, PVP / VA copolymers, PVM / MA (methyl vinyl ether / maleic acid Anhydrides) copolymers and esters and ethers thereof, in particular poly (alkyl vinyl ether-co-maleic anhydride) copolymers, ethylene / VA copolymers, styrene / isoprene, styrene / ethylene / butylene, styrene / ethylene / propylene, Styrene / ethylene / butylene / styrene and styrene / butadiene copolymers. Suitable substances are for example Dupont (ELVAX Type), BASF (LUBISKOL Type), Shell (KRATON Polymer) and ISP (PVP, GANTREZ) And GANEX Type).
[235] Hydrogel-forming Polymeric Gelling Agent
[236] In certain embodiments of the invention, the article may optionally contain an hydrogel forming polymeric gelling agent and an aqueous gel formed from water, ie, a "hydrogel". More specifically, the hydrogel is included in the cleansing component or therapeutic benefit component of the article. If an aqueous gel is present, the article is preferably from about 0.1 to about 100% by weight of the water insoluble substrate, more preferably from about 3 to about 50%, most preferably based on the dry weight of the hydrogel forming polymeric gelling agent Contains from about 5 to about 35% of a hydrogel forming polymeric gelling agent.
[237] Generally, the hydrogel forming polymeric gelling agent material of the present invention is at least partially crosslinked polymer made from polymerizable unsaturated acid-containing monomers that are water soluble or water soluble upon hydrolysis. This includes monoethylenically unsaturated compounds having one or more hydrophilic radicals, including but not limited to olefinically unsaturated acids and anhydrides comprising one or more carbon-carbon olefinic double bonds. With respect to such monomers, water soluble means that the monomer is soluble in deionized water at 25 ° C. at a level of at least 0.2%, preferably at least 1.0%.
[238] In the polymerization, the monomeric units described above are generally from about 25 to 99.99 mol%, more preferably from about 50 to 99.99 mol%, most preferably about 75 mol% of the polymeric gelling agent material (based on dry polymer weight). The acid-containing monomer will constitute the above.
[239] The hydrogel forming polymeric gelling agents herein are preferably partially crosslinked to a sufficiently high degree so that the resulting polymer does not exhibit a glass transition temperature (Tg) of less than about 140 ° C., and thus the term “hydrogel as used herein. By forming polymeric gelling agent "will mean a polymer that satisfies this parameter. Preferably the hydrogel forming polymeric gelling agent does not have a Tg of less than about 180 ° C., more preferably at a temperature of about 300 ° C. or more, and does not have a Tg before decomposition of the polymer. Tg can be determined by differential scanning calorimetry (DSC) performed at a heating rate of 20.0 ° C./min with a sample of 5 mg or less. Tg is calculated as the midpoint between the start point and the end point of the heat flow change corresponding to the glass transition on the DSC heat capacity heating curve. The use of DSC to determine Tg is well known in the art, see [B. Cassel and MP DiVito, "Use of DSC To Obtain Accurate Thermodynamic and Kinetic Data", American Laboratory, Jan. 1994, pp. 14-19, and B. Wunderlich, Thermal Analysis , Academic Press, Inc., 1990. have.
[240] Hydrogel forming polymeric materials are characterized by being very absorbent and capable of retaining water in their absorbed or “gel” state. Preferred hydrogel-forming polymeric gelling agents herein may be capable of absorbing at least about 40 g, preferably at least about 60 g, more preferably at least about 80 g of water (deionized water) per g of gelling agent. The value referred to herein as the "absorption capacity" can be determined according to the procedure of the "Tea Bag" absorption capacity test described above.
[241] The hydrogel forming polymeric gelling agents herein will generally be at least partially crosslinked. Suitable cross-linkers are well known in the art and include, for example, (1) compounds having two or more polymerizable double bonds; (2) compounds having at least one polymerizable double bond and at least one functional group reactive with an acid containing monomeric material; (3) compounds having two or more functional groups reactive with acid-containing monomer materials; and (4) polyvalent metal compounds capable of forming ionic crosslinks.
[242] Cross-linking agents having two or more polymerizable double bonds include (i) di- or polyvinyl compounds such as divinylbenzene and divinyltoluene; (ii) di- or unsaturated mono- or polycarboxylic acids with polyols, including, for example, di- or triacrylic esters of polyols such as ethylene glycol, trimethylol propane, glycerin, or polyoxyethylene glycol Polyester; (iii) bisacrylamides such as N, N-methylenebisacrylamide; (iv) carbamyl esters obtainable by reacting polyisocyanates with hydroxyl group-containing monomers; (v) di- or poly-allyl ethers of polyols; (vi) di- or poly-allyl esters of polycarboxylic acids such as diallyl phthalate, diallyl adipate and the like; (vii) esters of unsaturated mono- or poly-carboxylic acids with mono-allyl esters of polyols, such as acrylic acid esters of polyethylene glycol monoallyl ethers; And (viii) di- or tri-allyl amines.
[243] Cross-linkers having at least one functional group reactive with at least one polymerizable double bond and an acid containing monomeric material include N-methylol acrylamide, glycidyl acrylate and the like. Suitable cross-linkers having at least two functional groups reactive with acid containing monomer materials include glyoxal; Polyols such as ethylene glycol and glycerol; Polyamines such as alkylene diamines (eg ethylene diamine), polyalkylene polyamines, polyepoxides, di- or polyglycidyl ethers and the like. Suitable multivalent metal cross-linkers capable of forming ionic crosslinks include, for example, alkaline earth metals (eg calcium, magnesium) and oxides, hydroxides and weak acid salts of zinc, including calcium oxide and zinc diacetate ( Carbonates, acetates, and the like).
[244] Many cross-linkers of this type are described in detail in Masuda et al., US Pat. No. 4,076,663, issued 1978.2.28, and Allen et al., US Pat. No. 4,861,539, issued 1989.8.29, incorporated herein by reference. Described. Preferred cross-linkers include di- or polyesters, bisacrylamides, and di- or tri-allyl amines of unsaturated mono- or polycarboxylic acid mono-allyl esters of polyols. Specific examples of particularly preferred cross-linking agents include N, N'-methylenebisacrylamide and trimethylol propane triacrylate.
[245] The cross-linker will generally comprise about 0.001 to 5 mole percent of the resulting hydrogel-forming polymeric material. More generally, the cross-linking agent will comprise about 0.01 to 3 mole percent of the hydrogel-forming polymeric gelling agent used herein.
[246] The hydrogel forming polymeric gelling agents herein can be used in their partially neutralized form. For the purposes of the present invention, such materials are considered to be partially neutralized if at least 25 mol%, preferably at least 50 mol% of the monomers used to form the polymer are acid group-containing monomers neutralized with a base. do. Suitable neutralizing cations include alkali and alkaline earth metal hydroxides (eg KOH, NaOH), ammonium, substituted ammonium, and amino alcohols (eg 2-amino-2-methyl-1,3-propanediol, di Amines such as ethanolamine, and 2-amino-2-methyl-1-propanol). The percentage of total monomers used that are neutralized acid group containing monomers is referred to herein as "degree of neutralization." The degree of neutralization will preferably not exceed 98%.
[247] Hydrogel forming polymeric gelling agents suitable for use herein are well known in the art, see, eg, US Pat. No. 4,076,663 (Masuda et al., Feb. 28, 1978); U.S. Patent 4,062,817 to Westerman, issued December 13, 1977; U.S. Patent 4,286,082 to Tsubakimoto et al., Issued August 25, 1981; US Patent No. 5,061,259 to Goldman et al., Issued October 29, 1991; And US Pat. No. 4,654,039 (Brandt et al., Issued March 31, 1987), each of which is incorporated herein by reference in its entirety.
[248] Hydrogel forming polymeric gelling agents suitable for use herein are also described in US Pat. No. 4,731,067 to Le-Khac, issued March 15, 1988, US Pat. No. 4,743,244 to Le-Khac, May 10, 1988. ), US Patent No. 4,813,945 (Le-Khac, issued March 21, 1989), US Patent No. 4,880,868 (Le-Khac, issued November 14, 1989), US Patent No. 4,892,553 (Le-Khac, Issued January 9, 1990), US Pat. No. 5,026,784 (Le-Khac, issued June 25, 1991), US Pat. No. 5,079,306 (Le-Khac, issued January 7, 1992), US Pat. 5,151,465 (Le-Khac, Sep. 29, 1992), US Pat. No. 4,861,539 (Allen, Farrer, and Flesher, issued Aug. 29, 1989), and US Pat. No. 4,962,172 (Allen, Farrer, and Flesher). , October 9, 1990), each of which is incorporated herein by reference in its entirety.
[249] Suitable hydrogel forming polymeric gelling agents in particle form include Hoechst Celanese Corporation (Portsmouth, VA, USA) (Sanwet ^™ superabsorbent polymer) and Nippon Shokubai, Japan (Aqualic ^™ , such as L-75, L-76), and Dow It is commercially available from Chemical Company (Midland, MI, USA) (Dry Tech ^™ ).
[250] Hydrogel-forming polymeric gelling agents in fiber form are commercially available from Camelot Technologies Inc. (Leominster, MA, USA) (Fibersorb ^™ such as SA 7200H, SA 7200M, SA 7000L, SA 7000, and SA 7300).
[251] The article of the present invention may also contain other hydrophilic gelling agents. They have a relatively low degree of crosslinking and are not only carboxylic acid-containing polymers as described above but also cellulose ethers (eg hydroxyethyl cellulose, methyl cellulose, hydroxy propylmethyl cellulose), polyvinylpi Various other water soluble or colloidal water soluble polymers such as rolidone, polyvinyl alcohol, guar gum, hydroxypropyl guar gum and xanthan gum. Of these additional hydrophilic gelling agents, acid containing polymers, in particular carboxylic acid containing polymers, are preferred. In particular, preference is given to water-soluble polymers of acrylic acid crosslinked with polyalkenyl polyethers of polyhydric alcohols, and optionally to acrylate esters or polyfunctional vinylidene monomers.
[252] Preferred copolymers useful in the present invention include 95 to 99% by weight of an olefinically unsaturated carboxyl monomer selected from the group consisting of acrylic acid, methacrylic acid and ethacrylic acid; About 1% to about 3.5% by weight of acrylate ester of the formula:
[253]
[254] [Wherein R is an alkyl radical having 10 to 30 carbon atoms and R ₁ is hydrogen, methyl or ethyl]; And 0.1 weight of polymerizable crosslinked polyalkenyl polyether of a polyhydric alcohol, containing more than one alkenyl ether group per molecule, wherein the parent polyhydric alcohol contains three or more carbon atoms and three or more hydroxyl groups. Polymers of monomeric mixtures containing% to 0.6% by weight.
[255] Preferably, these polymers contain from about 96% to about 97.9% by weight acrylic acid and from about 2.5% to about 3.5% by weight acrylic acid ester, wherein the alkyl group has 12 to 22 carbon atoms and R ₁ is Methyl, most preferably the acrylate ester is stearyl methacrylate. Preferably, the amount of crosslinked polyalkenyl polyether monomer is about 0.2% to 0.4% by weight. Preferred crosslinked polyalkenyl polyether monomers are allyl pentaerythritol, trimethylolpropane diallylether or allyl sucrose. Such polymers are fully described in US Pat. No. 4,509,949 (Huang et al., April 5, 1985), incorporated herein by reference.
[256] Other preferred copolymers useful in the present invention are polymers containing two or more monomeric components, one being a monomeric olefinically unsaturated carboxylic acid and the other being a polyether which is a polyalkenyl of a polyhydric alcohol. If desired, additional monomeric materials may also be present in the monomeric mixture in predominant proportions.
[257] A first monomeric component useful for the production of the carboxyl polymers is an olefinically unsaturated carboxylic acid containing at least one activated carbon-carbon olefinic double bond and at least one carboxyl group. Preferred carboxylic acid monomers are acrylic acid having the following general structure:
[258]
[259] [Wherein R ² is a substituent selected from the group consisting of hydrogen, halogen, and a cyanogen (C = N) group, a monovalent alkyl radical, a monovalent alkali radical and a monovalent cycloaliphatic radical]. Among the above groups, acrylic acid, methacrylic acid and ethacrylic acid are most preferred. Another useful carboxyl monomer is maleic anhydride or maleic acid. The amount of acid used will be about 95.5% by weight to about 98.9% by weight.
[260] Secondary monomeric components useful in the production of carboxyl polymers are polys having more than one alkenyl ether group per molecule, such as alkenyl groups in which olefinic double bonds are attached to terminal methylene groups CH ₂ = C <. Alkenyl polyethers.
[261] Additional monomeric materials that may be present in the polymer include polyfunctional vinylidene monomers containing two or more terminal CH ₂ <groups, including, for example, butadiene, isoprene, divinyl benzene, divinyl naphthylene, allyl acrylate, and the like. do. Such polymers are described in detail in US Pat. No. 2,798,053 (Brown, issued July 2, 1957), which is incorporated herein by reference in its entirety.
[262] Examples of carboxylic acid copolymers useful in the present invention include Carbomer 934, Carbomer 941, Carbomer 950, Carbomer 951, Carbomer 954, Carbomer 980, Carbomer 981, Carbomer 1342, acrylate / C10-30 alkyl acrylate crosslinked polymer (Carbopol 934 , Carbopol 941, Carbopol 950, Carbopol 951, Carbopol 954, Carbopol 980, Carbopol 981, Carbopol 1342, and Pemulen series, each sold by BF Goodrich).
[263] Other carboxylic acid copolymers useful in the present invention include sodium salts of acrylic acid / acrylamide copolymers sold under the trade name Hostaceren PN73 by Hoechst Celanese Corporation. Also included are hydrogel polymers sold under the trade name HYPAN hydrogel by Lipo Chemicals Inc. Such hydrogels consist of crystalline flicks of nitrate on the C-C backbone with various other pendant groups such as carboxyl, amide, and amidine. Examples thereof include HYPAN SA 100 H, a polymer powder commercially available from Lipo Chemical.
[264] Neutralizers used to neutralize the acidic groups of these polymers include those described above.
[265] Cationic surfactant
[266] Cationic surfactants are typically classified as non-foaming surfactants, but they can be used in articles of the present invention provided they do not adversely affect the desirable advantages of the articles of the present invention.
[267] Non-limiting examples of cationic surfactants useful herein are described in McCutcheon's Detergents and Emulsifiers , North American Edition (1986), allured Publishing Corporation; And McCutcheon's, Functional Materials , North American Edition (1992); All of which are incorporated herein by reference in their entirety.
[268] Non-limiting examples of cationic surfactants useful herein include cationic alkyl ammonium salts such as those having the formula:
[269] _{R 1 R 2 R 3 R 4} N + X -
[270] [Wherein R ₁ is selected from an alkyl group of about 12 to about 18 carbon atoms, or an aromatic, aryl or alkaryl group of about 12 to about 18 carbon atoms; R ₂ , R ₃ , and R ₄ are independently selected from hydrogen, alkyl groups of about 1 to about 18 carbon atoms, or aromatic, aryl, or alkaryl groups of about 12 to about 18 carbon atoms; X is an anion selected from chloride, bromide, iodide, acetate, phosphate, nitrate, sulfate, methyl sulfate, ethyl sulfate, tosylate, lactate, citrate, glycolate, and mixtures thereof] . Additionally, the alkyl group may also contain ether bonds or hydroxy or amino group substituents (eg, the alkyl group may contain polyethylene glycol and polypropylene glycol moieties).
[271] More preferably, R ₁ is an alkyl group having from about 12 to about 18 carbon atoms; R ₂ is selected from hydrogen or an alkyl group having from about 1 to about 18 carbon atoms; R ₃ and R ₄ are independently selected from H or an alkyl group having from about 1 to about 3 carbon atoms; X is as described in the paragraph above.
[272] Most preferably, R ₁ is an alkyl group having from about 12 to about 18 carbon atoms; R ₂ , R ₃ , and R ₄ are selected from H or an alkyl group having from about 1 to about 3 carbon atoms; X is as described above.
[273] Alternatively, other useful cationic surfactants include those wherein R ₁ is optionally R ₅ CO— (CH ₂ ) _n − in the chemical formula above, wherein R ₅ is an alkyl group having from about 12 to about 22 carbon atoms, and n is from about 2 to about Amino-amides of about 6, more preferably about 2 to about 4, most preferably about 2 to about 3.). Non-limiting examples of such cationic emulsifiers include stearamidopropyl PG-dimonium chloride phosphate, stearamidopropyl ethyldimonium ethosulfate, stearamidopropyl dimethyl (myristyl acetate) ammonium chloride, stearamidopropyl dimethyl Cetearyl ammonium tosylate, stearamidopropyl dimethyl ammonium chloride stearamidopropyl dimethyl ammonium lactate, and mixtures thereof.
[274] Non-limiting examples of quaternary ammonium salt cationic surfactants include cetyl ammonium chloride, cetyl ammonium bromide, lauryl ammonium chloride, lauryl ammonium bromide, stearyl ammonium chloride, stearyl ammonium bromide, cetyl dimethyl ammonium chloride, cetyl dimethyl ammonium Bromide, lauryl dimethyl ammonium chloride, lauryl dimethyl ammonium bromide, stearyl dimethyl ammonium chloride, stearyl dimethyl ammonium bromide, cetyl trimethyl ammonium chloride, cetyl trimethyl ammonium bromide, lauryl trimethyl ammonium chloride, lauryl trimethyl ammonium bromide, stearyl Trimethyl Ammonium Chloride, Stearyl Trimethyl Ammonium Bromide, Lauryl Dimethyl Ammonium Chloride, Stearyl Dimethyl Cetyl Ditallow Dimethyl Ammonium Chlora Dide, Dicetyl Ammonium Chloride, Dicetyl Ammonium Bromide, Dilauryl Ammonium Chloride, Dilauryl Ammonium Bromide, Distearyl Ammonium Chloride, Distearyl Ammonium Bromide, Detyl Methyl Ammonium Chloride, Detyl Methyl Ammonium Bromide, Dilauryl Methyl Ammonium Chloride, dilauryl methyl ammonium bromide, distearyl methyl ammonium chloride, distearyl dimethyl ammonium chloride, distearyl methyl ammonium bromide, and mixtures thereof. Additional quaternary ammonium salts include those in which the C12 to C22 alkyl carbon chains are derived from tallow fatty acids or coconut fatty acids. The term "tallow" generally refers to alkyl groups derived from tallow fatty acids (generally hydrogenated tallow fatty acids) having a mixture of alkyl chains in the range of C16 to C18. The term "coconut" generally refers to an alkyl group derived from coconut fatty acid having a mixture of alkyl chains in the range of C12 to C14. Examples of quaternary ammonium salts derived from these tallow and coconut sources are ditallowdimethyl ammonium chloride, ditallow dimethyl ammonium methyl sulfate, di (hydrogenated tallow) dimethyl ammonium chloride, di (hydrogenated tallow) dimethyl ammonium acetate , Ditallow dipropyl ammonium phosphate, ditallow dimethyl ammonium nitrate, di (coconutalkyl) dimethyl ammonium chloride, di (coconutalkyl) dimethyl ammonium bromide, tallow ammonium chloride, coconut ammonium chloride, stearamidopropyl PG-dimonium Chloride phosphate, stearamidopropyl ethyldimonium etosulphate, stearamidopropyl dimethyl (myristyl acetate) ammonium chloride, stearamidopropyl dimethyl cetearyl ammonium tosylate, stearamidopropyl dimethyl ammonium chlora De, and stearic amido propyl dimethyl ammonium include lactate, and mixtures thereof.
[275] Preferred cationic surfactants useful herein are the group consisting of dilauryl dimethyl ammonium chloride, distearyl dimethyl ammonium chloride, dimyristyl dimethyl ammonium chloride, dipalmityldimethyl ammonium chloride, distearyl dimethyl ammonium chloride, and mixtures thereof It includes those selected from.
[276] Chelator
[277] Articles of the invention may also include a safe effective amount of a chelator or chelating agent. As used herein, "chelator" or "chelating agent" means an active material capable of removing metal ions from the system by forming a complex such that metal ions do not readily precipitate or catalyze chemical reactions. Incorporation of chelating agents is particularly useful to provide protection against UV radiation and other environmental factors that can cause skin damage that can contribute to excessive scaling or skin texture changes.
[278] A safe effective amount of chelating agent can be added to the compositions of the present invention, preferably from about 0.1% to about 10%, more preferably from about 1% to about 5% of the composition. Exemplary chelators useful herein include US Pat. No. 5,487,884 to Bissett et al. On Jan. 30, 1996; International Publication No. 91/16035 (Bush et al., Published October 31, 1995); And International Publication No. 91/16034 (Bush et al., Published October 31, 1995). Preferred chelators useful in the compositions of the present invention are furyldioxime and derivatives thereof.
[279] Flavonoids
[280] Articles of the invention may optionally comprise a flavonoid compound. Flavonoids are described extensively in US Pat. Nos. 5,686,082 and 5,686,367, which are incorporated herein by reference. Flavonoids suitable for use in the present invention include flavanones consisting of unsubstituted flavanones, single-substituted flavanones, and mixtures thereof; Chalcone selected from the group consisting of unsubstituted chalcones, single-substituted chalcones, di-substituted chalcones, tri-substituted chalcones, and mixtures thereof; Flavones selected from the group consisting of unsubstituted flavones, mono-substituted flavones, di-substituted flavones, and mixtures thereof; One or more isoflavones; Coumarins selected from the group consisting of unsubstituted coumarins, single-substituted coumarins, di-substituted coumarins, and mixtures thereof; Chromones selected from the group consisting of unsubstituted chromones, mono-substituted chromons, di-substituted chromons, and mixtures thereof; One or more dicoumarol; One or more chromanones; One or more chromanols; Their isomers (eg, cis / trans isomers); And mixtures thereof. As used herein, the term "substituted" means a flavonoid in which one or more hydrogen atoms of the flavonoids are independently replaced with hydroxyl, C1-C8 alkyl, C1-C4 alkoxy, O-glycoside, or the like, or a mixture of such substituents. .
[281] Examples of suitable flavonoids include, but are not limited to, unsubstituted flavanones, mono-hydroxy flavanones (eg, 2′-hydroxy flavanones, 6-hydroxy flavanones, 7-hydroxy flavanones, and the like). , Mono-alkoxy flavanones (eg, 5-methoxy flavanone, 6-methoxy flavanone, 7-methoxy flavanone, 4'-methoxy flavanone, etc.), unsubstituted chalcones (especially unsubstituted Trans-chalcone), mono-hydroxy chalcone (eg 2'-hydroxy chalcone, 4'-hydroxy chalcone, etc.), di-hydroxy chalcone (eg 2 ', 4-dihydroxy chalcone, 2) '4'-dihydroxy chalcone, 2,2'-dihydroxy chalcone, 2', 3-dihydroxy chalcone, 2 ', 5'-dihydroxy chalcone, and the like, and trihydroxy chalcone (eg , 2 ', 3', 4'-trihydroxy chalcone, 4,2 ', 4'-trihydroxy chalcone, 2,2', 4'-trihydroxy chalcone, etc.), unsubstituted flavones, 7, 2'-dihydroxy flavone, 3 ', 4'-dihydroxy naphthoflavone, 4'-hydroxy flavone, 5,6-benzoflavones, and 7,8-benzoflavones, unsubstituted isoflavones, daidzein (7,4'-dihydroxy isoflavones), 5,7-dihydroxy-4'-methoxy Isoflavones, soy isoflavones (mixture extracted from soybean), unsubstituted coumarin, 4-hydroxy coumarin, 7-hydroxy coumarin, 6-hydroxy-4-methyl coumarin, unsubstituted chromone, 3-form Wheat chromone, 3-formyl-6-isopropyl chromone, unsubstituted dicoumarol, unsubstituted chromonone, unsubstituted chromanols and mixtures thereof.
[282] Unsubstituted flavanones, methoxy flavanones, unsubstituted chalcones, 2 ', 4-dihydroxy chalcones, and mixtures thereof are preferred for use herein. Most preferred are unsubstituted flavanones, unsubstituted chalcones (especially trans isomers), and mixtures thereof.
[283] They may be synthetic or obtained as extracts from natural sources (eg plants). Materials from natural sources may be further derivatized (eg, glycosides, esters or ether derivatives prepared from natural sources). Flavonoid compounds useful herein are commercially available from a number of suppliers, such as Indofine Chemical Company, Inc. (Somerville, New Jersey), Steraloids, Inc. (Wilton, New Hampshire), and Aldrich Chemical Company, Inc. (Milwaukee, Wisconsin).
[284] Mixtures of the above flavonoid compounds may also be used.
[285] Flavonoid compounds described herein are preferably present in the present invention at a concentration of about 0.01 to about 20%, more preferably about 0.1% to about 10%, and most preferably about 0.5% to about 5%.
[286] Sterol
[287] Articles of the invention may include one or more sterol compounds in a safe effective amount. Examples of useful sterol compounds include cytosterol, stigmasterol, campesterol, brassicasterol, lanosterol, 7-dihydrocholesterol, and mixtures thereof. They may be synthetic or of natural origin, such as mixtures extracted from plant sources (eg phytosterols).
[288] Anti cellulite
[289] Articles of the invention may also include a safe effective amount of an anti cellulite agent. Suitable materials may include, but are not limited to, xanthine compounds (eg, caffeine, theophylline, theobromine, and aminophylline).
[290] Skin lightening
[291] Articles of the invention may include skin lightening agents. When used, the composition preferably comprises from about 0.1% to about 10%, more preferably from about 0.2% to about 5%, more preferably from about 0.5% to about 2% by weight of the composition do. Suitable skin lightening agents include those known in the art, including kojic acid, arbutin, ascorbic acid and derivatives thereof, such as magnesium ascorbyl phosphate or sodium ascorbyl phosphate or other salts of ascorbyl phosphate. Skin lightening agents suitable for use herein are also disclosed in co-pending patent application Ser. No. 08 / 479,935, filed June 7, 1995 in the name of Hillebrand, corresponding PCT application US 95/07432, June 1995 12 day application); And co-pending patent application Ser. No. 08 / 390,152, filed Feb. 24, 1995 in the name of Kalla L. Kvalnes, Mitchell A. DeLong, Barton J. Bradbury, Curtis B. Motley, and John D. Carter. , Corresponding PCT application US 95/02809 (filed March 1, 1995, published September 8, 1995).
[292] Binder
[293] The article of the present invention may optionally comprise a binder. The binder or binder is useful for sealing the various layers of the article of the present invention to each other to maintain the integrity of the article. The binder may be in various forms including, but not limited to, spraying, webs, separate layers, bonding fibers, and the like. Suitable binders may include latex, polyamides, polyesters, polyolefins and combinations thereof.
[294] Additional layer
[295] In another embodiment, an article of the present invention may include one or more additional layers that will be recognized by those of ordinary skill in the art to be separate and distinct from the first and second substrate layers, but attached to these layers in the same place. It may contain. The additional layer is suitable for enhancing the overall grippability of the side of the article closest to the handle or other means that will exert mechanical action on the surface to be cleansed and treated. In addition, the additional layer is suitable for enhancing the soft feel of the side of the article in contact with the area to be cleansed and treated. In certain instances, the additional layers may also be referred to as successive numbered layers, such as third layers, fourth layers, etc., in addition to the two required layers of the articles of the present invention.
[296] Suitable additional layers may include the materials described above as appropriate for the first and second substrate layers. Other materials suitable for any additional layer may be macroscopically expanded or embossed. Here, "macro-expanded" means that the surface deformation comprising the pattern is independent of the ordinary eye (ie, the ordinary eye with 20/20 vision) when the vertical distance between the observer's eye and the plane of the web is about 12 inches. By distinguishable, it is meant webs, ribbons, and films that are adapted to the surface of a three-dimensional molded structure such that both surfaces exhibit a three-dimensional molded pattern of surface deformation corresponding to the macroscopic cross section of the molded structure.
[297] As used herein, “embossed” means that the molding structure of the material exhibits a predominantly male-projected pattern. On the other hand, "debossed" means that the molded structure of the material exhibits a pattern composed mainly of a female capillary network.
[298] Preferred macroscopically expanded films contain molded films that are structural elastic films. Such films are described in US Pat. No. 5,554,145 (Roe et al., Sep. 10, 1996), which is hereby incorporated by reference in its entirety.
[299] Materials suitable for use in additional layers having a thickness of at least 1 millimeter include web materials disclosed in US Pat. No. 5,518,801 to Chappell et al., May 21, 1996, which is incorporated herein by reference in its entirety. However, it is not limited to this.
[300] Manufacturing method
[301] Personal care articles of the present invention may include sprinkling, dip coating, spraying, slot coating, and roll transfer (eg, press rolls or kiss rolls). It is prepared by adding the cleansing component to the first base layer and / or the second base layer through conventional methods, which are not limited thereto. The first layer and the second layer are then placed on top of each other. The layers are closed together by conventional closure methods that may include, but are not limited to heat, pressure, adhesives, ultrasound, and the like. Heat sealing devices can vary in design and are low melt heat sealing fiber webs, such as polyamide fiber webs known as Wonder Under (manufactured by Pelon, H. Levinson & Co., Chicago, IL). Sutures that cannot affect the intercalation layer of can be used between layers for the above and other embodiments without changing the effect or use of the article.
[302] A hot melt applicator head with a jetting capability (e.g., pipetting the therapeutic benefit component to the first substrate layer and / or the second substrate layer, adjusting the pipetting head using an x / y table) ITW Dynatec Dyna BF series coating heads) can be added via conventional methods, including but not limited to bead coating, slot coating, screen printing, scriber printing, spraying and roll transfer.
[303] The manufacturing step may be performed before or after closure, depending on the location of the therapeutic benefit component in the finished article. The sealed sheets are then fractionated into units for consumer use. Optional manufacturing steps may include calendering, drying, creping, shrinking, stretching, embossing or otherwise mechanical deformation to flatten the article.
[304] Cleansing and delivery of therapeutic benefit agents to skin or hair
[305] The present invention relates to methods of cleansing and conditioning skin and / or hair. This method comprises the following steps: A) a) 1) a first substrate layer; And 2) a second substrate layer attached to the first layer; b) a cleansing component disposed adjacent the substrate sheet; And c) wetting an article suitable for cleansing with a therapeutic benefit component disposed adjacent to the substrate sheet, the article suitable for cleansing containing a therapeutic benefit component comprising less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component; And B) contacting the moistened article with skin or hair. In this method, it is desirable to contact the skin or hair first by contacting and cleansing one surface of the article and then contacting another surface containing the therapeutic benefit ingredient. Another method of the present invention comprises the following steps: A) a) 1) a first substrate layer; And 2) a second substrate layer sutured to the first layer to form one or more storage enclosures on one or more surfaces of the substrate sheet, wherein the storage enclosure comprises a shape, a design, a logo, and combinations thereof. A second base layer in a selected form; b) a cleansing component disposed adjacent the substrate sheet; And c) wetting an article suitable for cleansing with a therapeutic benefit component disposed within the storage enclosure, the article suitable for cleansing containing a therapeutic benefit component comprising less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component; And B) contacting the moistened article with skin or hair.
[306] Applicants have found that therapeutic benefit can be provided alone with an article of the invention, and another method of the invention comprises the following steps: A) a) a second substrate layer is attached to the first substrate layer, A base sheet containing a first base layer and a second base layer; And b) wetting with water a therapeutic benefit component disposed adjacent to the substrate sheet, the article containing a therapeutic benefit component having a charge surface area of the therapeutic benefit component of less than about 50 cm 2; And B) contacting the moistened article with skin or hair.
[307] The article of the present invention must be water-activated and therefore wetted with water prior to use. As used herein, "water-activated" means that the present invention is provided to the consumer in a dry form that should be used after wetting with water. If the articles of the present invention comprise foam forming surfactants, they are found to foam or “activate” upon contact with water and subsequent shaking. Thus, the article is wetted by being immersed in water or placed under a stream of water. If the articles of the present invention comprise a foaming surfactant in the cleansing component, foam may be generated from the article by mechanically shaking and / or deforming the article before or during contact with the skin or hair. The resulting foam is useful for cleansing the skin or hair. During the cleansing process and then rinsing with water, any therapeutic or aesthetic benefit agents are deposited on the skin or hair. The deposition of therapeutic or aesthetic benefit agents is enhanced not only by physical contact with the skin or hair of the substrate, but also by the incorporation of one or more deposition aids.
[308] The following examples further describe and demonstrate embodiments within the scope of the invention. In the examples below, all components are listed by activity level. The embodiments are provided for illustrative purposes only, and many variations thereof are possible without departing from the spirit and scope of the invention and should not be construed as limiting the invention.
[309] Ingredients are identified by chemical name or CTFA name.
[310] I. Cleansing ingredients
[311] Example 1
[312] Representative cleansing ingredients for the articles of the invention are prepared in the following manner.
[313] Shave 53.0 g of bar soap containing the following ingredients:
[314] ingredientweight% Sodium kosyl isethionate27.77 paraffin16.72 Sodium Alkyl Glycerol Sulfonate (AGS)14.90 soap11.41 glycerin8.57 water5.50 Stearic acid5.74 Sodium isethionate3.04 NaCl1.41 EDTA0.10 Etidronic acid0.10 Polyox0.03 Spices0.70 Others (including pigments)4.01 synthesis100
[315] Bar soap shavings are mixed with 37.0 g of glycerin (99.7%), 9.5 g of water, and 0.5 g of fragrance. The mixture is heated to 200 ° F. with continued stirring. The mixture is cold-milled in a standard 3-roll mill and the cleansing ingredients are stored in a suitable sealed container.
[316] Example 2
[317] Representative cleansing ingredients for the articles of the invention are prepared in the following manner.
[318] Shave 40.0 g of bar soap containing the following ingredients:
[319] ingredientweight% Sodium soap52.40 Sodium Alkyl Glycerol Sulfonate (AGS)16.50 Magnesium soap13.40 glycerin0.19 water5.50 Stearic acid1.60 Sodium isethionate3.00 NaCl3.89 EDTA0.10 Etidronic acid0.10 Spices0.70 Others (including pigments)2.62 synthesis100
[320] Bar soap shavings are mixed with 45.0 g of glycerin (99.7%), 4.5 g of water, and 0.5 g of fragrance. The mixture is heated to 200 ° F. with continued stirring. The mixture is cold-milled in a standard three-roll mill and the cleansing ingredients are stored in a suitable sealed container.
[321] Example 3
[322] Representative powder cleansing ingredients for the articles of the invention are prepared in the following manner.
[323] Shave 40.0 g of bar soap containing the following ingredients:
[324] ingredientweight% Soap (Magnesium and Sodium)80.16 water11.50 Stearic acid5.70 NaCl1.10 EDTA0.25 Spices1.15 Others (including pigments)0.14 synthesis100
[325] Bar soap flakes are stored in a suitable sealed container.
[326] Example 4
[327] Representative powder cleansing ingredients for the articles of the invention are prepared in the following manner.
[328] Shave 40.0 g of bar soap containing the following ingredients:
[329] ingredientweight% Soap (Magnesium and Sodium)80.16 water11.50 Stearic acid5.70 NaCl1.10 EDTA0.25 Spices1.15 Others (including pigments)0.14 synthesis100
[330] Bar soap flakes are blended with sodium bicarbonate in a weight ratio of 90:10. The mixture is ground twice in a standard 3-roll mill. The flakes are collected and stored in a suitable sealed container.
[331] Example 5
[332] Representative cleansing ingredients for the articles of the invention are prepared in the following manner. The cleansing component of Example 2 is blended with 0.1% by weight bar soap flakes of the protease enzyme. The resulting mixture is then blended with 2% by weight of a cleansing component of dry hydrocolloid, sodium carboxymethylcellulose and triturated. The enzyme-containing cleansing component is stored in a suitable sealed container.
[333] Example 6
[334] Representative liquid cleansing ingredients are prepared comprising the following ingredients.
[335] ingredientweight% Sodium Coconut Alkyl Glyceryl Sulfonate (AGS)7.2 Ammonium Lauryl Sulfate (ALS)10.4 Alkyl Laurate Sulfate (AE3S)10.4 Poly (ethylene oxide) (PolyOx WSR N-3000, Union Carbide)0.5 Xanthan sword1.4 water70.1
[336] Example 7
[337] Representative cleansing ingredients for the articles of the invention are prepared in the following manner. Heat 3 pounds of soap shaving of Example 2 with 3/4 cup of isopropyl alcohol (99%) until the soap melts. When the soap is molten, add the remaining alcohol: 10 oz. Dissolved in as little water as possible. Add table sugar. Dye about 4 tsp. Glycerin 8 oz. Blend on. Glycerin (99.7%) is added. Stir. As the agitation mechanism is removed, the consistency changes from a thin liquid to a rope-like ribbon, and heating is continued until the aliquot of material has cured when loaded onto a cold surface. The mixture is poured into a suitable container to cure. The mixture has the advantage of remelting after the heating process which facilitates the process for making the article.
[338] Example 8
[339] A representative tear-free liquid cleansing ingredient is prepared comprising the following ingredients.
[340] ingredientweight% Cocamido Profile Betaine17.1 Sodium Trideset Sulfate8.3 POE 100 sorbitan monooleate7.5 Others (including fragrances, preservatives, dyes)2.0 water65.1
[341] A distinguishing feature of the composition is its non-irritant to the skin and eyes.
[342] Example 9
[343] Representative liquid cleansing ingredients are prepared comprising the following ingredients.
[344] ingredientweight% Polyquaternium 100.50 Sodium Lauro Ampo Acetate5.4 Sodium Lauret 3 Sulfate11.6 Disodium EDTA0.20 Sodium citrate dihydrate0.50 Citric Acid, Anhydrous1.0 PEG-6 caprylic / capric glycerides2.0 Cocamide MEA2.0 glycerin3.5 MgSO ₄ -7H ₂ O (epsom salt)1.5 Maleated Soybean Oil2.5 Deodorized Soybean Oil5.0 Others (including fragrances, caustics, colorants)1.5 water62.8
[345] The mixture is gentle for use on sensitive skin.
[346] Example 10
[347] Representative liquid cleansing ingredients are prepared by mixing the following ingredients.
[348] ingredientweight% Polyquaternium-100.1 Sodium sulfate1.5 Lauryl alcohol0.3 Sodium Lauret Sulfate5.8 Citric Acid, Anhydrous0.2 Cocamidopropyl Betaine15.5 Sodium Lauroyl Sarcosinate1.5 Others (including fragrances and blue colorants)1.0 water74.1
[349] Example 11
[350] Representative cleansing ingredients are prepared by mixing the following ingredients.
[351] ingredientweight% Decylpolyglucose14.8 Cocamidopropyl Betaine14.8 Sodium Lauroyl Sarcosinate14.8 Butylene Glycol3.6 PEG 14M1.8 Polyquaternium-100.9 Dex panthenol0.7 Phenoxyethanol0.5 Benzyl alcohol0.5 Methylparaben0.45 Propylparaben0.25 Disodium EDTA0.2 water55.1
[352] Example 12
[353] Representative cleansing ingredients are prepared comprising the following ingredients.
[354] ingredientweight% EGDS3.1 Cocamidopropyl Betaine4.0 TEA soap (about 330 molecular weight)9.5 Monoalkyl phosphates15.0 Cocamine Oxide7.5 1,2-propanediol1.0 ethanol3.0 Others (fragrances, colorants, preservatives)8.9 water48.0
[355] The mixture is heated to 50 ° C. with continued stirring until the mixture loses 38% of its original weight and has a pasty consistency. The paste is advantageously easy to process with the substrate layer and does not require any further drying.
[356] Example 13
[357] Representative cleansing ingredients are prepared comprising the following ingredients.
[358] ingredientweight% SEFA ^* Cartonate57.5 Citric acid0.30 Cocamidopropyl Betaine3.5 Sodium Lauroyl Sarcosinate10.7 Ethylene Vinyl Acetate Polymer (Elvax 40W)8.0 Silicone Polymer Microbeads (Tospearly 145A)20.0 SEFA is an acronym for sucrose esters of fatty acids.
[359] Ethylene vinyl acetate polymer is melted at 90 ° C. into SEFA carbonate and mixed with high shear. Add surfactant powder and citric acid and mix. Silicone polymer microbeads are added, mixed and cooled to fix. The composition is remeltable and easily impregnated or coated onto the fabric.
[360] Example 14
[361] Representative cleansing ingredients are prepared comprising the following ingredients.
[362] ingredientweight% Sodium Lauret-10 Carboxylate (MPCol CB5S ^* )50.0 C12-14, 12EO Alcohol Ethoxylate (Emplan KB12 ^* )50.0 * Available from Albright & Wilson
[363] The alcohol ethoxylate is melted. Blend on carboxylate until homogeneous. It is then cooled to solidify until use. The composition is remeltable and easily impregnated or coated onto the fabric.
[364] Example 15
[365] Representative cleansing ingredients are prepared comprising the following ingredients.
[366] ingredientweight% C16-18, 150EO Alcohol Ethoxylate (Empilan KM 50 ^* )22.0 Cocamidopropyl Betaine (Empigen BS) ^* 20.0 MEA Lauret-3-ethoxylate (Marlinat MEA)20.0 Citric acid anhydride0.15 Sodium Lauroyl Sarcosinate20.0 Propylene glycol17.85 * Available from Albright & Wilson
[367] The mixture is heated to 70 ° C. with continuous stirring until it has a paste consistency. Cool to solidify until use.
[368] Example 16
[369] Representative cleansing ingredients are prepared comprising the following ingredients.
[370] ingredientweight% Monosodium lauroyl glutamate22.0 Cocamidopropyl Betaine2.0 Sodium chloride1.0 glycerin2.5 water72.5
[371] Heat the components together with gentle stirring until homogeneous.
[372] Example 17
[373] Representative cleansing ingredients are prepared comprising the following ingredients.
[374] ingredientweight% Triethanolamine2.9 Polyquaternium-390.1 Monolauryl phosphate4.0 C12-C14 N-methyl Glucose Amide ¹ 5.0 Cocamidopropylhydroxysultine ² 2.0 Sodium decyl sulfate0.5 Citric Acid Monohydrate0.3 Spices, Preservatives & Others4.0 water81.2 1 available from Hoechst Celanese 2 available from Rhone Poulenc
[375] Add ingredients slowly at 60 ° C. in the following order until each is dissolved in water: TEA, lauryl phosphate, glucose amide. Sultine, polyquaternium-39 and sulfate are added with cooling to 45 ° C. and stirring as described above. Perfume, preservatives are added and cooled to room temperature.
[376] Example 18
[377] The following components are mixed to prepare a representative cleansing component.
[378] ingredientweight% Lauroyl Polyglucose ¹ 20.0 Cetyltrimethylammonium bromide4.0 Spices, Preservatives & Others4.0 water72.0 1 Available as Plantaren 1200 from Henkel
[379] II. Therapeutic benefit ingredients
[380] Example 19-23
[381] Representative skin conditioning ingredients are prepared by mixing the following ingredients:
[382] ingredientExample 19Example 20Example 21Example 22Example 23weight%weight%weight%weight%weight% SEFA ^* Cartonate48.048.030.050.0SEFA ^* Behenate12.0-13.0-- Mineral oil10.010.06.410.0Glyceryl Tribehenate5.05.09.8-- Avocado oil42.4 Polymethyl Silsesquinoxane ² 6.5 Poly (octadecyl vinyl ether-co-maleic anhydride copolymer)-- -14.1 Polyethylene wax-9.0--Synthetic beeswax-3.0--- Tocopheryl acetate-2.0-2.0Trihydroxystearin ¹ ---13.0Cholesterol ester25.023.020.825.037.0 Element--20.0 - SEFA is an acronym for sucrose esters of fatty acids1 available as Thixcin R from Rheox2 available as Tosperal from Kobo, Inc or GE Silicones
[383] ingredientExample 24Example 25Example 26Example 27weight%weight%weight%weight% SEFA ^* Cartonate75.033.540.080.0 SEFA ^* Behenate25.08.410.010.0 Mineral oil-7.0-- Glyceryl Tribehenate-3.5-- Stearyl alcohol--5.0- paraffin--15.0- Cholesterol ester-17.5-- Ozokerite wax---10.0 glycerin-28.0-- Triglyceryl monostearate-1.9-- Decaglyceryl Dipalmitate-0.2-- Nonylphenol Polyglycine Ether ¹ --30.0- 1 Hamplex TNP, Hampshire Chemical Co.
[384] Example 28-32
[385] The following ingredients are mixed to make representative skin conditioning ingredients.
[386] ingredientExample 28Example 29Example 30Example 31Example 32weight%weight%weight%weight%weight% Mineral oil (white)35.8735.87--34.0 Mineral oil11.013.0--10.0 Jojoba oil---4.5Castor oil10.09.0--Cocoa butter5.0 Diisostearyl trimethylpropanesiloxy silicate20.020.0--Polydimethyl siloxane, 500 cSt fluid--0.91.5Decamethylcyclopentasiloxane---16.5Octamethylcyclotetrasiloxane---10.0Polydimethylsiloxane, gum--7.07.5Stearyl methicone wax---3.0Polybutene---4.5Candelilla wax4.64.6--6.0 Paraffin wax---15.02.0 Microcrystalline wax---6.04.0 Beeswax3.03.0--4.0 Ozokerite wax6.06.0--Carnauba Wax3.03.0--Hydrogenated castor oil0.500.504.9-Silica---4.5Sodium magnesium silicate---1.5Tocopherol0.030.03--Cyclomethicone--46.0-Stearyl alcohol--31.0-9.0 Cetyl alcohol9.0 Glyceryl Stearate--3.2-Acetylated Monoglycerides15.0 Diisostearyl maleate ¹ ---6.0Glyceryl Distearate---9.5glycerin---6.0water---3.0Nonylphenol Polyglycine Ether ² --6.0-Undifferentiated Titanium Dioxide 5.0--Octyl methoxycinnamate5.0---Air Fresheners & More1.01.01.01.02.0 1 half as available as acetylated Myvacet 7-07 from Eastman Chemical Co. 2 as Hamplex TNP from Hampshire Chemical Co.
[387] Example 33
[388] Representative skin conditioning ingredients containing the following ingredients are prepared.
[389] ingredientExample 33weight% Polydecene ¹ 53.3 Stearyl alcohol7.7 12-hydroxystearic acid13.5 Nonylphenol Polyglycine Ether25.0 Octyl methoxycinnamate1.5 1 Puresyn 3000, Mobil Chemical Co.
[390] Example 34-36
[391] Representative skin conditioning ingredients containing the following ingredients are prepared.
[392] ingredientExample 34Example 35Example 36weight%weight%weight% glycerin90.090.088.0 Decaglyceryl dipalmitate ¹ 10.02.010.0 Deceglyceryl dibehenate 8.0Tribehenin 2.0 Available as Polyaldo 10-2-P from 1 Lonza
[393] Example 37-41
[394] Representative conditioning ingredients for the articles of the invention are prepared in the following manner.
[395] ingredientExample 37Example 38Example 39Example 40Example 41weight%weight%weight%weight%weight% Hydrophobic Phase: SEFA ^* Cartonate4.654.6515.515.5SEFA ^* Behenate0.350.358.08.0Tribehenin 6.06.0Mineral oil 4.04.04.4 Cocoa butter15.5 C10-C30 Cholesterol / Lanosterol Ester 13.013.0C30-C45 Alkyl Methicone ¹ Polyglyceryl-4 isostearate (and) cetyl dimethicone (and) hexyl laurate ² 5.05.0 PEG 30 dipolyhydroxystearate ³ 3.0 Tetraglyceryl monostearate 2.1Decaglyceryl Dipalmitate 0.90Ceresin wax5.5 Beeswax7.0 Tablets lecithin10.0 1-monostearin10.0 Hydrophilic phase: glycerin70.066.542.3042.3040.0 water 3.5 5.0 PVM / MA Decadiene Crosspolymer ⁴ 0.25 Sodium hydroxide (10% solution) 0.25 gelatin2.6 Active Skin Care Ingredients: Panthenol20.010.02.50 Nicotinamide 5.02.503.0Element 5.02.502.50Allantoin 0.200.20Acetamidopropyltrimonium chloride 2.0* SEFA is an acronym for sucrose esters of fatty acids. 1 available as AMS-C30 from Dow Corning 2 available as Abil WE-09 from Goldschmidt 3 available as Arlacel P135 from ICI 4 available as Stabileze from ISP
[396] The hydrophobic phase is heated to 70 ° C., the hydrophobic active skin care component is added and stirred until homogeneous. The hydrophilic active skin care component and the hydrophilic phase component are premixed and heated gently to dissolve or disperse them if necessary. These are added slowly to the hydrophobic phase to continue stirring. Homogenize (high shear mixer; ultrasonic homogenizer; or high pressure homogenizer, eg Microfluidizer from Microfluidics Corp.). Apply immediately to the substrate surface or quickly cool below room temperature in ice or ice water. If necessary, store under nitrogen and controlled environment for chemical stability.
[397] Example 42-46
[398] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[399] ingredientExample 42Example 43Example 44Example 45Example 46weight%weight%weight%weight%weight% Hydrophobic Phase: SEFA ^* Cartonate 15.016.0SEFA ^* Behenate 7.54.0Tribehenin 6.0 Mineral oil 4.04.04.4 Cocoa butter15.5 Polydecene ¹ 50.046.5 C10-C30 Cholesterol / Lanosterol Ester 13.010.5PEG30 dipolyhydroxystearate 3.03.0Ceresin wax5.5 Beeswax7.0 Aluminum / magnesium hydroxystearate ^{2 in} mineral oil 7.5C30-38 Olefin / Isopropyl Maleate Copolymer ³2.5Polyethylene wax ⁴1.0Tablets lecithin10.0 Air freshener and others 1.0 1-monostearin10.0 Hydrophilic phase: glycerin30.025.034.8020.038.0 water8.08.0 5.0 PEG 2000 17.0PVM / MA Decadiene Crosspolymer 0.25 Sodium hydroxide (10% solution) 0.25 gelatin9.509.50 2.6 Active Skin Care Ingredients: Nicotinamide 2.50 Methanol in 50% Beta Cyclodextrin 2.50 Ascorbic acid (natural) 2.50 Tocopherol (acetate) 1.00 2.50Sorbitol 2.50 Lactic acid2.5 Element 2.50 Allantoin 0.20 Triclosan1.50 Chlorhexidine0.50 Benzoyl peroxide 5.0 15% Salicylic Acid in PPG 14 Butyl Ether 12.0Salicylic acid 2.5 1 Available from Mobil as Puresyn 3000 2 Available from Giulini Chemie as Gilugel Min 3 Available from New Phase Technologies as Performa 1608 4 Available as New Phase Technologies as Performalene 400
[400] Example 47-51
[401] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[402] ingredientExample 47Example 48Example 49Example 50Example 51weight%weight%weight%weight%weight% Hydrophobic Phase: SEFA * Catonate20.515.5 16.0 Mineral oil 7.5 SEFA * Behenate8.08.0 8.0 Tribehenin9.56.0 6.0 Mineral oil (white or ultra white)4.04.022.63.04.0 Candelilla wax 4.50 Paraffin wax 3.0014.0Microcrystalline wax 1.50 Beeswax 3.00 C10-C30 Cholesterol / Lanosterol Ester18.013.0 13.0 Laurylmethicone copolyol ¹5.0Acetylated Monoglycerides ² 11.3 Stearyl alcohol 6.8 Cetyl alcohol 6.8 Stearic acidPEG 30 dipolyhydroxystearate4.53.0 Decaglyceryl Dipalmitate ³ 0.90 Tetraglyceryl monostearate2.10 Air freshener, other1.0 3.02.0Hydrophilic phase: glycerin22.827.525.038.041.0 Decaglyceryl Dipalmitate ³ 2.5 Calcium Silicate Microspheres ⁴ 15.0 Active Skin Care Ingredients: Guar hydroxypropyltrimonium chloride1.00 Chitosan glycolate 2.50 Nicotinamide1.502.502.50 0.2% Carbopol 940 aqueous solution, pH 6.0 38.0Retinol2.50 Phytantriol ⁵ 1.00 Element2.503.02.50 Vitamin c2.50 Borage Oil2.50 Ascorville Palmitate1.50 Acetamidopropyl trimonium chloride ⁶ 2.50 1 available as Dow Q2-5200 from Dow Corning. 2 Eastman Chemical Co. Nearly half from acetylated Myvacet 7-07 available from Lonza as Polyaldo 10-2-P4 Celite Co. Available as Celite C from 5 available as Hydagen CMF from Henkel 6 available as Incromectant AQ from Croda
[403] Example 48 Glycerin is incorporated into microspheres and then blended onto molten lipids and cooled for storage or applied to the substrate.
[404] Example 52-57
[405] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[406] ingredientExample 52Example 53Example 54Example 55Example 56Example 57weight%weight%weight%weight%weight%weight% Hydrophobic Phase: SEFA * Catonate16.016.016.016.016.016.0 Mineral oil SEFA * Behenate 8.08.08.08.08.0 Tribehenin6.06.06.06.06.06.0 Mineral oil (white or ultra white)4.04.04.04.04.04.0 C10-C30 Cholesterol / Lanosterol Ester13.013.013.013.013.013.0 Stearyl Dimethicone2.0Dimethicone hydroxystearate4.0Dimethicone Copolyol Behenate2.0PEG 30 dipolyhydroxystearate 3.00 3.00Sodium Lauroyl Glutamate 2.00 Sodium stearoyl lactylate 2.00 Calcium Sterate 5.0 Decaglyceryl Dipalmitate0.900.90 0.90 0.90 Tetraglyceryl monostearate2.102.10 2.10 2.10 Air freshener, other1.001.001.001.001.001.00 Hydrophilic phase: glycerin44.542.535.535.525.043.0 75% Polyethylenimine in water ¹ , pH 6.5 4.504.50 water 2.0 Decaglyceryl Dipalmitate 2.502.50 Fumed silica20.0Propylene Glycol Alginate ² 2.0 Active Skin Care Ingredients: Nicotinamide 2.00 2.00Chitosan 1.50 Green tea extract4.50Aloe vera gel 3.0 Vitamin c 2.50 Ascorville Palmitate 2.002.50 Acetamidopropyl trimonium chloride 2.00 2.001 Nippon Shokubai Co. Available as Epomin SP-018 from 2 Available as Kelcoloid HVF from Kelco
[407] Example 58-61
[408] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[409] ingredientExample 58Example 59Example 60Example 61weight%weight%weight%weight% SEFA ^* Cartonate16.0024.5129.6238.00 Mineral oil4.006.137.4010.00 Cholesterol ester13.0019.9124.0629.00 Polyethylene wax ¹ 14.0021.4525.9111.00 PEG 30dipolyhydroxystearate ² 3.003.003.002.00 glycerin50.0025.0010.0010.00 1 Available as Performalene 400 from New Phase Technologies 2 Available as Arlacel P135 from Uniqema
[410] Example 62-67
[411] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[412] ingredientExample 62Example 63Example 64Example 65Example 66Example 67weight%weight%weight%weight%weight%weight% SEFA ^* Behenate5.00Lanolin Solid ¹ 28.2028.2030.9027.9027.9027.90 Tocopheryl acetate 2.00 Cetearylmethicone ² 14.1014.109.409.409.409.40 C24-28 Alkylmethicone ³ 4.704.70 C30-45 Alkylmethicone ⁴ 4.704.704.704.70 Polyethylene wax 5.00 5.00 Cetyl Dimethicone Copolyol ⁵ 3.003.003.003.003.00 PEG 30dipolyhydroxystearate3.00glycerin50.0050.0046.005.0050.0040.00 D-panthenol 2.00 Niacinamide 2.00 PEG-30 4.00 PEG-4 6.00 1 available as Coronet Lanolin from Croda 2 available as SF1632 from GE Silicones 3 Th. Available as Abil Wax 9810 from Goldschmidt4 available as DC-AMS C30 from Dow Corning5 Th. Available as Abil EM 90 from Goldschmidt
[413] Example 68-74
[414] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[415] ingredientExample 68Example 69Example 70Example 71Example 72Example 73Example 74weight%weight%weight%weight%weight%weight%weight% Polymethylsilses-quinoxane ¹ 3.003.003.003.003.003.00- SEFA ^* Cartonate--8.00---- SEFA ^* Behenate---4-004.00-- Cholesterol ester16.5017.0030.0013.0013.00-5.00 lanolin-----16.5022.00 Avocado oil19.5019.4935.2419,5019.50-- Cetearylmethicone ² ------5.00 C24-28 Alkylmethicone ³ ------5.00 Poly (octadecylvinyl ether-co-maleic anhydride copolymer) ⁴ 6.506.5011.75 26.0010.00 Poly (octadecylvinyl ether-co- (ethylene glycol hexyl vinyl ether-) co-maleic anhydride copolymer---6.506.50-- D & C Red 7 in Castor Oil-0.0060.006---- PEG-30 dipolyhydroxystearate4.004.002.004.004.004.003.00 glycerin50.5050.0010.0050.0032.0050.5050.00 PEG-30----10.00-- PEG-12----8.00-- 1 available as Tosperal from Kobo Inc. 2 available as SF1632 from GE Silicones 3 Th. Available as Abil Wax 9810 from Goldschmidt4 available as "Gantrez" type from ISP
[416] Examples 75-77
[417] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[418] ingredientExample 75Example 76Example 77weight%weight%weight% SEFA ^* Cartonate4.005.00- SEFA ^* Behenate8.006.00- Tocopheryl acetate-2.00- Tribehenin6.008.006.00 Mineral oil5.005.005.00 Cholesterol ester15.0015.0015.00 Diene copolymer (proposal) ¹ 8.00-8.00 Hydrogenated Phosphatidylcholine ² -5.00- Quaternium-18 hectorite ^{3 in} mineral oil--12.00 PEG 30 dipolyhydroxystearate4.004.004.00 glycerin50.0050.0050.00 1 Available as Aquapel 15L or Aquapel 32S from Mobil 2 Available as Phospholipon 80H from Nattermann 3 Available as Bentone Gel MIO from Rheox
[419] Example 78-81
[420] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 37-41.
[421] ingredientExample 78Example 79Example 80Example 81weight%weight%weight%weight% Hydrophobic Phase: Lecithin, Refined ¹ 10.310.310.810.3 Deccan 19.215.0Mineral oil 5.0Isohexadecane11.3 19.0 Tricotanyl PVP ² 26.0Carnauba Wax33.3 29.03.3 Stearyl alcohol 13.0 12-hydroxystearic acid 19.4 Hydrophilic phase: glycerin31.818.819.618.7 Propylene glycol11.318.819.618.7 Active Skin Care Ingredients: Triclosan 0.20 Salicylic acid 0.40 D-panthenol2.0 Nitotinamide 4.01 Available as Epikuron 200 from Lucas Meyer 2 Available as Ganex WP-660 from ISP
[422] All components are stirred together until a microemulsion is formed. Skin care ingredients are first added to the phase closest to their solubility parameter. When the wax is added, it is slowly heated to the melting point of the wax, dispersed by stirring, added to the cloth or cooled to room temperature and stored.
[423] Example 82-83
[424] Representative conditioning components for the articles of the present invention are prepared in the following manner.
[425] ingredientExample 82Example 83weight%weight% Hydrophobic Phase: Isohexadecane43.028.3 Sodium dioctyl sulfosuccinate ² 7.07.1 Hydrophilic phase: glycerin19.023.6 water19.07.8 Carnauba wax 29.0 gelatin6.0Active Skin Care Ingredients: Titanium Dioxide, Cosmetic 4.2 Titanium dioxide, micronized4.2Salicylic acid1.81 Available as Epikuron 200 from Lucas Meyer 2 Available as Aerosol OT from Pfaltz and Bauer
[426] First, skin care ingredients are added to the phase that best matches their solubility parameters. All components are stirred until a microemulsion is produced. Coating on the substrate surface.
[427] Example 84-89
[428] Representative conditioning components for the articles of the present invention are prepared in the following manner.
[429] ingredientExample 84Example 85Example 86Example 87Example 88Example 89weight%weight%weight%weight%weight%weight% Part A Sodium lauroyl ether sulfate (added with SLES 27% activity)15.06.516.20 5.9 Cocamidopropyl Betaine ¹ 13.55.855.575.825.195.3 Sodium Lauroyl Sarcosinate ² 1.350.600.576.015.360.54 Decylpolyglucose ³5.805.18Lauryl alcohol1.310.560.54 0.54 Polyethyleneimine ⁴ 7.873.383.222.642.363.2 Citric acid (added in 50% aqueous solution)0.320.110.11 0.09 Tetrasodium EDTA0.28Sulfuric acid5.42.372.25 2.2 Preservative0.620.450.432.862.550.3 Sodium sulfate7.93.473.21 3.0 glycerin26.4556.746.444.139.3644.8 Sorbitol 5.0 SEFA * Catonate12.8SEFA * Behenate8.0Part B-Polymer Gelling Agent gelatin4.2Polyacrylamide and Isoparaffin ⁵7.5 Polyurethane latex in 50% isopropanol ⁶ 34.1 Polyacrylate Copolymer ⁷7.5 Polystyrene Sulfonate Copolymer ⁸ 1.1 Chitosan lactate 5.4 Part C-Physical Gelling Agents 12-hydroxystearic acid10.0 10.66 Stearyl alcohol10.020.020.07.1115.0SEFA is an acronym for the sucrose ester of fatty acids. 1 available as Tegobetaine F from Goldschmidt. 2 available as Hamposyl L-30 (type 721) (31% active) from Hampshire Chemical. Nippon Shokubai Co. Available from Epomin SP-018 (molecular weight about 1800) from 5 B.F. Available from Carbopol Ultrez from Goodrich6 B.F. Available from Goodrich as Sancure 2710 containing about 20% polymer, 30% water, 50% IPA.7 Seppic Corp. Available as Sepigel 305 from 8 available as AQ38S from Eastman Chemical
[430] The surfactant and fatty alcohol are blended using a low speed impeller mixer while heating to 65 ° C. Remove heat and allow to cool to 65 ° C. while continuing mixing. The cationic polymer is added and stirred until homogeneous. The remaining part A is added slowly while stirring. Homogenize to disperse SEFA as an emulsion. Titrate with concentrated sulfuric acid until the pH reaches about 6.5. The Part A composition is spread on a tray and dried in a suitable (vacuum or convection) oven at a temperature not exceeding 65 ° C. until essentially no water remains, to prepare a dry mixture. The dried Part A component is combined with the polymeric gelling agent of Part B and heated to dissolve or disperse. The resulting composition is combined with a physical gelling agent. The gelling agent melts and disperses in the composition by heating. Apply to substrate surface (s) or cool and store at room temperature.
[431] Example 90-95
[432] Representative conditioning ingredients for the articles of the present invention are prepared as described in Examples 84-89.
[433] ingredientExample 90Example 91Example 92Example 93Example 94Example 95weight%weight%weight%weight%weight%weight% Part A Sodium Lauroyl Sarcosinate ¹ 8.87 11.410.810.8 Polyethyleneimine ² 7.397.507.509.59.09.0 water4.433.003.005.75.45.4 Sulfuric acid6.36QSQS8.17.77.7 Air freshener, other glycerin34.4552.545.041.339.2534.25 Propylene glycol2.50Element 2.502.502.01.91.9 Panthenol 2.01.91.9 Nicotinamide 2.502.502.01.91.9 Salicylic acid Polymethylsilsesquioxane ³ 4.204.20 Mica, Pearlescent3.853.85 Stearylmethicone wax 5.0 SEFA Cartonate 5.0 Mineral oil 5.0 Part B-Polymer Gelling Agent gelatin 0.1 Polyacrylamide and Isoparaffin ⁴ 16.012.012.0 Part C-Physical Gelling Agents 12-hydroxystearic acid12.012.010.5 Carnauba wax 18.014.114.1 Stearyl alcohol8.08.07.0 1 available as Hamposyl L-95 (dry) from Hampshire Chemical. 2 Nipon Shokubai Co. From Epomin SP-018 (molecular weight about 1800) available from 3 Kobo. Inc. Available from Tospearl 145A from 4 Seppic Corp. Available from Sepigel 305 from
[434] III. Intermediate goods
[435] Example 96
[436] Representative skin cleansing articles are prepared in the following manner.
[437] 4 g of the cleansing component of Example 11 is applied to one side of a permeable and fusible web composed of low melt heat sealable polyamide fibers. The permeable web is Wonder Under manufactured by Pellon and sold by H. Levinson & Co., Chiago, IL. The cleansing component is applied to an elliptical region of about 13 cm to 18 cm. The cleansing ingredients are air dried. A 2 oz / yd ² polyester batt cut to the same size as the web is placed on the fusible web. The polyester batting has a basis weight of 2 oz / yd ² and at least partially crimped and contains a blend of fibers having an average diameter of about 23 microns and 40 microns. The thickness of the bet is about 0.23 inches measured at 5 gsi. The batting has an air permeability of about 1270 cfm / ft ² and a foam permeability critical pressure of about 2.7 cm H ₂ O. Betting is believed to be thermally bonded without the use of adhesives. The nonwoven layer is disposed under the fusible web to form the second side of the article. Nonwovens are spunlace blends of 70% rayon and 30% PET fibers, bonded with a styrene-butadiene adhesive, which are hydroapertured to form pores with a diameter of about 2 mm, the basis weight of which is about 70 gsm. The shape of the article is oval about 122 mm × 160 mm. The layers are sealed together in a lattice pattern using a point bond with a heat-sealing die using a pressure platen heat seal device such as a Sentinel Model 808 heat sealer from Sencorp [Hyannis, MA]. Point bonds are each measured about 4 mm in diameter, with about 51 individual suture points evenly located. Trim this item and use it immediately.
[438] Example 97
[439] Representative skin cleansing articles are made in the following manner.
[440] The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second web, an air-layed lotity low density bet, is fed continuously over the first substrate and placed in contact with the surfactant containing layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with PET core and PE sheath and 10 denier bicomponent fibers 35% of the same core-sheath composition, about 100 gsm ( gram per square meter (gram per square meter). The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm × 160 mm rectangular size with rounded corners, with a total of about 51 suture points per article.
[441] IV. Articles of the Invention
[442] Example 98
[443] Representative skin cleansing and conditioning articles are made in the following manner.
[444] 2 g of the skin conditioning component of Examples 37-41 are applied to one side of the finished article of Example 96. The composition is applied to the article in a hot liquid (70-80 ° C.) using a pipette so that the coating is in the form of dots of about 6 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[445] Example 99
[446] Representative skin cleansing and conditioning articles are made in the following manner.
[447] 2 g of the skin conditioning component of Example 19, 20, 21, 22 or 23 are applied to one side of the finished article of Example 96. The composition is applied to the article with a hot liquid (70-80 ° C.) using a pipette so that the coating is in the form of dots of about 6 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[448] Example 100
[449] Representative skin cleansing and conditioning articles are made in the following manner.
[450] 2 g of the skin conditioning component of Example 90 is applied to one side of the finished article of Example 96. The composition is applied to the article with a hot liquid (70-80 ° C.) using a pipette so that the coating is in the form of dots of about 4 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[451] Example 101
[452] Representative skin cleansing and conditioning articles are made in the following manner.
[453] 2 g of the skin conditioning component of any one of Examples 58-77 is applied to one side of the finished article of Example 97. The composition is applied to the article with a hot liquid (70-80 ° C.) using an extrusion jetting head so that the coating is in the form of dots of about 6 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[454] Example 102
[455] Representative skin cleansing and conditioning articles are made in the following manner.
[456] 3 g of the skin conditioning component of any one of Examples 58-77 is applied in half to each side of the finished article of Example 97. The composition is applied with a hot liquid (70-80 ° C.) using an extrusion jetting head so that the coating is in the form of dots of about 4 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[457] Example 103
[458] Representative skin cleansing and conditioning articles are made in the following manner.
[459] 2 g of the skin conditioning component of Example 65 is applied to one side of the finished article of Example 97. The composition is applied with a hot liquid (60-70 ° C.) using an extrusion jetting head to produce two strips of coating 5 mm wide and 100 mm long at 2 cm intervals on each side of the article.
[460] Example 105
[461] Representative skin cleansing articles are made in the following manner.
[462] The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. The skin conditioning ingredients of Examples 19, 20, 21, 22 or 23 are applied to one side of the second web using a coating head with a warming liquid (60 ° C.). The coating is intermittent such that patches of 15 mm wide and 70 mm long coatings containing 2 g of skin conditioner are formed, and each article will contain one patch of skin conditioner. The second web is an air-layed Lofty low density bet. The coated second web is fed continuously over the first substrate and placed in contact with the surfactant containing layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm x 480 mm rectangular size with rounded corners, which have a total of about 51 suture points per article.
[463] Example 106
[464] Representative skin cleansing and conditioning articles are made in the following manner.
[465] 2 g of the skin conditioning component of Example 59 is applied to one side of the finished article of Example 97. Printed Olay to screen print the composition with hot liquid (60-70 ° C.) to cover a surface area of about 10 cm 2 Create a logo.
[466] Example 107
[467] Representative skin cleansing and conditioning articles are made in the following manner.
[468] 2 g of the skin conditioning component of Example 19, 20, 21, 22 or 23 are applied to one side of the finished article of Example 97. The composition is applied with a hot liquid (60-70 ° C.) using an extrusion jetting head so that the coating is in the form of dots of about 4 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[469] Example 108
[470] Representative skin cleansing and conditioning articles are made in the following manner.
[471] 2 g of the skin conditioning component of Example 90 is applied to one side of the finished article of Example 97. The composition is applied to one side of the article with a hot liquid (60-70 ° C.) using a pipette so that the coating is in the form of dots of about 5 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[472] Example 109
[473] Representative skin cleansing and conditioning articles are made in the following manner.
[474] The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second web, an air-layed lotity low density bet, is fed continuously over the first substrate and placed in contact with the surfactant containing layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm x 480 mm rectangular size with rounded corners. 2 g of the skin conditioning component of any one of Examples 58-77 is applied to one side of the finished article. The composition is applied with a hot liquid (70-80 ° C.) using an extrusion jetting head so that the coating is in the form of dots of about 4 mm diameter. Each dot contains about 0.1 g composition, which is located within some suture points to form a patch of coating dots on the central area of the fabric.
[475] Example 110
[476] Representative skin cleansing and conditioning articles are made in the following manner.
[477] The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second substrate web, which is an air-layed lofty low density bet, is continuously fed over the first substrate and placed in contact with the surfactant containing layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have A third substrate web, which is the same as the second substrate web, is fed over the second substrate web and placed in contact with the second substrate. The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm x 90 mm rectangular size with rounded corners. 2 g of the skin conditioning component of Example 69 is applied to one side of the finished article. The composition is applied with a hot liquid (70-80 ° C.) using an extrusion jetting head so that the coating is in the form of dots of about 4 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points.
[478] Example 111
[479] Representative skin cleansing and conditioning articles are made in the following manner.
[480] Four grams of the cleansing component of Example 12 is applied to one side of a permeable fusible web comprising low melt heat sealable polyamide fibers. The permeable web is produced by Pellon and produced by H. Levinson & Co. Wonder Under sold by (Chicago, IL). The cleansing ingredients are applied to an oval area of about 13 cm x 18 cm. The cleansing ingredients are air dried. A layer of 2 oz / yd ² polyester batting cut to the same size as the web is placed over the fusible web. The polyester batting has a basis weight of 2 oz / yd ² and comprises a fiber blend of about 23 microns and 40 microns average diameter, some of which are crimped. The thickness of the bet is approximately 0.23 in. Measured at 5 gsi. to be. The batting has an air permeability of about 1270 cfm / ft ² and a foam permeability critical pressure of about 2.7 cm H ₂ O. Betting is considered to be thermally bonded without the use of adhesives. The nonwoven layer is placed under the fusible web to form the second side of the article. The nonwoven is a spunlace blend of 70% rayon and 30% PET fibers bonded with a styrene-butadiene adhesive, which is aqueous voided to form holes of about 2 mm diameter and has a basis weight of about 70 gsm. The shape of the article is an ellipse of about 122 mm x 160 mm. Heat seal dies using pressure plate heat seal devices such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, Mass.). The layers are sealed together in a lattice pattern using point bonding. Point bonds are each measured about 4 mm in diameter, with about 51 individual suture points uniformly distributed. 2 g of the skin conditioning component of Example 69 is applied to one side of the finished article. The composition is applied with a hot liquid (70-80 ° C.) using an extrusion jetting head so that the coating is in the form of dots of about 5 mm diameter. Each dot contains about 0.1 g composition, which dot is located within some closure points. The item can be cleaned and used soon.
[481] Example 112-114
[482] With the cleansing ingredients of Examples 1, 2 and 5, representative skin cleansing and conditioning articles are prepared in the following manner.
[483] A permeable fusible web comprising 8 grams of cleansing components containing low melt heat-sealing fibers, with four quadrants forming a rectangle of about 10 inches by 12 inches, leaving a space between the edge and quadrant so that the layer is sealed without surfactant. Apply to one side of Permeable webs are fibrous low density polyethylene (LDPE or LLDPE) materials commercially available from sewing suppliers. A layer of 4 oz / yd ² polyester batter cut to the same size as the web is placed over the fusible web. The polyester batting has a basis weight of 4 oz / yd ² and consists of polyester fibers of about 30 micron average diameter and is bonded with an adhesive, for example Mountain Mist Extra Heavy Batting # 205 at Stearns Textiles (Cincinnati, OH). Is sold. A fibrous nonwoven layer having a basis weight of about 65 gsm and a wet entangled blend of 55% cellulose and 45% polyester (commercially available as Technicloth II from The Texwipe Company (Saddle River, NJ)) was placed under the fusible web. Position it. A heat seal die using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, MA), wherein the bets are squared at a temperature and pressure sufficient to melt and flow into the first layer to form a suitable seal. The layers are sealed together in a pane shape, usually about 300 degrees Fahrenheit and 30 psi mechanical seals are sufficient for 6-10 seconds. The sutures are continuous around the edges and have a single pane cross circle that is about 2 mm wide in each X- and Y-direction. After cooling, 3 g of the skin conditioning component of any one of Examples 58-77 is applied to one side of the finished article. The composition is applied with a hot liquid (70-80 ° C.) using an extrusion jetting head so that the coating is in the form of dots of about 7 mm diameter. Each dot contains about 0.3 g composition. Trim and round the corners and store until ready to use.
[484] Example 115-116
[485] With the surfactant powders of Examples 3 and 4, representative skin cleansing and conditioning articles are prepared in the following manner.
[486] Four grams of dry surfactant powder is applied to one side of a permeable fusible web comprising low melt heat sealable fibers. The permeable web is produced by Pellon and produced by H. Levinson & Co. Wonder Under sold by (Chicago, IL). The powder is sprinkled uniformly on an elliptical area of about 17 cm x 19 cm. A layer of 2 oz / sq ² polyester batter cut to the same size as the web is placed over the fusible web. The polyester batting has a basis weight of 2 oz / yd ² and comprises a fiber blend of about 23 microns and 40 microns average diameter, some of which are crimped. The thickness of the bet is about 0.23 inches measured at 5 gsi. The batting has an air permeability of about 1270 cfm / ft ² and a foam permeability critical pressure of about 2.7 cm H ₂ O. Betting is considered to be thermally bonded without the use of adhesives. A second nonwoven layer is prepared comprising an aqueous pore-formed, polyester fiber of about 10 microns in diameter and an interlaced polypropylene scrim having a fiber diameter of about 150 microns and woven about 0.8 cm apart. The second layer is cut larger than the required article dimension such that the X- and Y-axes of the layer are reduced to about 70 percent of their original size and the layer is about 0.12 in. Measured at 5 gsi. Place in a convection oven for about 10 minutes at a temperature of about 150 degrees Celsius until it has a macroscopic thickness of. The layer has pores exhibiting a macroscopic average basis weight of about 64 gsm and an average diameter of about 0.5 mm before shrinkage. Place the second layer under the fusible web, seal the layers together in a point bond, and also surround them with a heat seal die using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, MA). Suture about 2 mm wide. The point bonds each have a diameter of about 3 mm and about 51 individual suture points are evenly distributed. The article is groomed and 2.5 g of the skin conditioning component of Example 30 is applied to one side of the finished article. The composition is applied to one side of the article with a hot liquid (70-80 ° C.) using a pipette such that the coatings are each in the form of dots containing about 0.1 g of the composition, which dots are located within some closure points. The composition is rapidly cooled on the article surface and stored in a sealed metallized film package until ready for use.
[487] Example 117-122
[488] With the liquid cleansing ingredients of Examples 6, 8, 9, 16 and 17, representative skin cleansing and conditioning articles are prepared in the following manner.
[489] The brush is coated with a liquid surfactant composition in the form of a windowpane excluding the edge and suture position until 2 grams of the solid surfactant is applied and applied to one side of the first substrate. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. The substrate is air dried in a convection oven at 45 ° C. for about 6 hours or until touched. A second substrate, an air-layed lotity low density bet, is placed on the first substrate and placed in contact with the surfactant containing layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have A heat seal die using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, MA). The layers are sealed together in a pane shape, usually about 300 degrees Fahrenheit and 30 psi mechanical seals are sufficient for 6-10 seconds. The sutures are continuous around the edges and have a single pane cross circle that is about 2 mm wide in each of the X- and Y-directions. The article is trimmed after cooling and 3 g of the skin conditioning component of Example 31 is applied to one side of the article with a hot liquid (about 50 ° C.) using a pipette such that the coating is in the form of dots each containing about 0.1 g composition. . The composition is rapidly cooled on the article surface and stored in a sealed metallized film package until ready for use.
[490] Example 123-128
[491] With the liquid cleansing component of Example 7 and the skin conditioning component of Examples 24 to 29, a representative skin cleansing and conditioning article is prepared in the following manner.
[492] Four strips of liquid cleansing component are continuously extruded onto a mobile first web which is an air-layed lotity low density bet. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. And are air-rayed and thermally bonded without the use of adhesives. The surfactant was heated to the melting point, stored in a reservoir at about 65 ° C., and pumped into an extrusion head that continuously metered four cylindrical strands on the web at evenly spaced intervals across the web, yielding about 5 grams of the composition per finished article. Obtain the final addition rate. A second web, the microporous and macroporous forming film, a molded film of U.S. Patent No. 4,629,643, is continuously fed onto the large pore male side, which is the batting and cleansing component side on the first web. The skin conditioning component is coated onto the exposed batching surface yarns with two strips 5 mm wide by 10 cm wide at a rate of 3 grams of composition per finished article. The coating is applied hot and solidified by cooling on the article surface. The web is continuously sealed and cut into rounded 120 mm x 160 mm squares using heated metal rolls and pressure rolls applied to the molding film side. Pack the item until it is ready for use.
[493] Examples 129-131
[494] With the liquid cleansing component of Example 6 and the skin conditioning components of Examples 79, 81 and 83, a representative skin cleansing and conditioning article is prepared in the following manner.
[495] The liquid cleansing component is brushed and applied to one side of the first substrate in a windowpane shape excluding the edge and suture position until 2 grams of solid surfactant is applied. The substrate consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers having a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Is an air-layed, Lofty, low density bet. Dry the cleansing ingredients. A second substrate, a high humidity strength, adhesively bonded cellulose paper towel having a good loft and a basis weight of about 53 gsm, is placed over the exposed face of the betting cleansing component. Useful towels are manufactured by The Procter & Gamble Company and Bounty Rinse & Reuse, which retain their Z-direction height when wet and have a thickness of about 0.047 inches at 5 gsi. To be sold. A heat seal die using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, MA), which seals the layers together in a rectangular pane shape at a temperature and pressure sufficient to form a suitable seal. Continuously sutured around the edges, it has a single pane cross circle that is about 2 mm wide in each of the X- and Y-directions. The article is trimmed and 1.5 grams of skin conditioning component is applied to the roped batting side of the article by an extrusion jetting head to form dots of the coating and the composition is fed to the jetting head at 60 ° C. The composition dots are rapidly cooled on the article surface and stored in a sealed metallized film package until ready to use.
[496] Example 132
[497] Representative skin cleansing and conditioning articles are made in the following manner.
[498] The cleansing component of Example 12 was run through the coating head, with four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second substrate web, which is an air-layed lofty low density bet, is continuously fed over the first substrate and placed in contact with the surfactant layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have A third substrate web identical to the second substrate web is continuously fed over the second substrate web and placed in contact with the second substrate. The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The skin conditioning liquid of Example 78 is coated on a web at 60 ° C. to form one strip of 4 mm × 50 mm dimensions with about 0.5 gram of composition per finished article. The web is cut into individual articles of about 120 mm x 90 mm rectangular shape with rounded corners and packaged until ready to use.
[499] Example 133-134
[500] Using the skin conditioning ingredients of Examples 79 and 80, representative skin cleansing and conditioning articles are prepared in the following manner.
[501] The low water activity cleansing component of Example 2 was produced as aluminosilicate (exothermic reaction when exposed to water and is marketed as Advera 401 N by The PQ Corporation (Valley Forge, PA). ) And three rolls in a ratio of 1: 1). Ten grams of cleansing ingredients are applied to one side of the batting layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Is an air-layed, Lofty, low density bet. Surfactants are applied to the fibers in four quadrants forming a rectangle of about 10 inches by 12 inches, leaving a space between the edge and quadrant so that the layer is sealed without surfactant. Aqueous pore-formed, comprising about 10 micron diameter polyester fibers, having a fiber diameter of about 100 microns across the nonwoven width and about 250 microns perpendicular to the width, woven at about 1 cm spacing (bonded A second nonwoven layer comprising an interlocking scrim is prepared. The scrim is commercially available from Conwed plastics (Minneapolis, MN). The second nonwoven has a basis weight of about 70 gsm and is slightly wrinkled due to the stretching of the web and subsequent elongation during manufacture of the nonwoven. The layers are sealed around 2 mm wide with a heat seal die using a point bond and a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, Mass.). The point bonds each have a diameter of about 3 mm and about 51 individual suture points are evenly distributed. The article was trimmed and 4 g of skin conditioning component was applied to the roped batting side of the article by applying the composition at 60 ° C. within some closure points using an extrusion jetting head. The composition is rapidly cooled on the article surface and stored in a sealed metallized film package until ready for use.
[502] Example 135-142
[503] Using the skin conditioning ingredients of Examples 84-88, 93, 94, and 95, representative skin cleansing and conditioning articles are prepared in the following manner.
[504] Four grams of the cleansing ingredients of Example 11 are spread evenly by hand over the lofted bet. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Is an air-layed, Lofty, low density bet. The batting cleansing component is coated with a fibrous nonwoven layer having a basis weight of about 65 gsm and a wet entangled blend of 55% cellulose and 45% polyester (commercially available as Technicloth II from Texwipe Company (Saddle River, NJ)). Over the sides. The layers are stitched together using a peristaltic suture plate using an unheated plate having an inverted thimble shaped reservoir uniformly distributed in a hexagonal grid pattern. The thimble reservoirs are about 1.2 cm in diameter at the base and about 2 cm apart from the center-center. The land area between the dimples on the unheated plate is concave several mm inward, forming a trough connected to each other. The heating plate has an external ridge that exactly fits into the valleys on the land portion of the unheated plate. The heating plate is in contact with the cellulose / polyester substrate and heat sealed using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, Mass.). The resulting unfinished article has a prominent thimble shape with raised batting face and shorter dimples or “” buttons ”with raised cellulose / polyester base face of the article, both sides being easy to grip. Cut into rectangles 3 grams of skin conditioning ingredient per article is pipetted into the fracture area while the composition is hot, cooled and solidified, and the article is packaged until ready to use.
[505] Example 143-144
[506] Using the skin cleansing components of Examples 91 and 92, a representative skin cleansing and conditioning article is prepared in the following manner.
[507] The 120 mm x 160 mm cut surface of the substrate is immersed in the composition bath until its weight increases by about 8 grams to apply the liquid cleansing component of Example 16 to the first substrate. The substrate consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers having a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. It's a bet. Dry the substrate. A spunlace blend of 70% rayon and 30% PET fibers bonded with a styrene-butadiene adhesive to form a first substrate piece having an aqueous pore forming a hole of about 2 mm diameter and having a basis weight of about 70 gsm. Place over the substrate. The substrates are closed together using an ultrasonic suture that sutures in a dot pattern comprising a lattice of 4 mm diameter suture points uniformly distributed throughout the article. Four grams of skin conditioning component is applied to one half of each side of the article by applying a dot of the formulation into some seam points using an extrusion jetting head. A hot melt tank at 60 ° C. is fed to the extrusion jetting head. Each dot contains about 0.1 g of conditioner. The composition is rapidly cooled on the article surface and stored in a sealed metallized film package until ready for use.
[508] Example 145-149
[509] Using skin conditioning ingredients of Examples 32-36, representative skin cleansing and conditioning articles are prepared in the following manner.
[510] The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second substrate web, which is an air-layed lofty low density polyester batting, is fed continuously over the first substrate and placed in contact with the surfactant containing layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have A third substrate web identical to the second substrate web is continuously fed over the second substrate web and placed in contact with the second substrate. The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. From a high-temperature reservoir pumped through a slot dye containing wedges, two thick widths of 5 mm on each side of the substrate web (added about 140 gsm per side) at a rate of 3 grams of skin conditioning composition per finished article and each other The skin conditioning composition is slot coated so that a stripe of 2 cm away is coated, and the composition is passed through a cooling fan to quickly cool on the article outer surface. The web is cut into individual articles of about 120 mm x 90 mm rectangular size with rounded corners.
[511] Examples 150-170
[512] Using the skin conditioning ingredients of Examples 37-57, representative skin cleansing and conditioning articles are prepared in the following manner.
[513] The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second substrate web, which is an air-layed lofty low density bet, is continuously fed over the first substrate and placed in contact with the surfactant containing layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have A third substrate web identical to the second substrate web is continuously fed over the second substrate and placed in contact with the second substrate. The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. From the hot reservoir pumped through the extrusion jetting head, the skin conditioning components are bead coated on both sides of the substrate web at a ratio of 3 grams of skin conditioning components per finished article in dots each containing about 0.2 g of conditioner (each side About 140 gsm added), placed in the suture point. The composition is then passed through a cooling fan to rapidly cool on the article outer surface. The coating reservoir is mixed continuously to maintain the stability of the emulsion. The web is cut into individual articles of about 120 mm x 90 mm rectangular size with rounded corners.
[514] Example 171
[515] Representative skin cleansing and conditioning articles are prepared in the following manner. Representative skin conditioning ingredients containing the following ingredients are prepared.
[516] ingredientExample AExample B SEFA * Catonate Mineral oil Stearyl alcohol4.0Stearic acid3.0lanolin Ethylene Vinyl Acetate Polymer ¹ Polydecene ² 2.0 Sodium Lauroyl Sarcosinate ³ 25.0Lauryl Betaine ⁴ Lauro Ampo Acetate ⁵ 5.25 Sodium Lauret-3 Sulfate ⁶ 10.5 Cocamide MEA ⁷ 2.80 Sulfuric acidQSGuar hydroxypropyltrimonium chloride0.50Cholesterol ⁸ 9.0Nonylphenol Polyglycine Ether ⁹ Micronized Titanium Dioxide Octyl methoxycinnamate Nicotinamide glycerin10.03.00 water48.555.95 PEG6 Caprylic Acid / Capric Acid Glyceride 3.40 Maleized Soybean Oil 1.50 Soybean Oil (Deodorized) 8.0 Coconut Fatty Acid 2.60 Polyquaternium-10 0.40 Air freshener, preservative, other 4.60 SEFA is an acronym for sucrose esters of fatty acids. 1 Available from DuPont as Elvax 40W 2 Available from Mobil as Puresyn 3000 3 Available from Hampshire Chemical as Hamposyl L95 (solid) or L30 (30% active in water) 4 Available from Albright & Wilson as Empigen BS98 (80% Betaine, 20% salt) 5 Available from Albright & Wilson as Empigen CDL60 6 Available from Albright & Wilson as Empicol ESC3 7 from Albright & Wilson to Empilan CME / G Available 8 Available in Super Hartolan from Croda 9 available in Hamplex TNP from Hampshire Chemical Co.
[517] The lipid component was dissolved, water (if applicable) and wetting agent (s) were added and heating and stirring continued until homogenization by addition of surfactant. Cool to room temperature and add skin care active (s) and deposition agent (s). The pH is adjusted to about 7.0 with sulfuric acid. It is applied to the substrate by spraying, rolls, dips or other methods and dried (if water-containing) before packaging.
[518] The first substrate and the second substrate are cut into rectangles of about 12 inches by 9 inches. The first substrate is a spunlace blend of 70% rayon and 30% PET fibers bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. The second substrate is a bet consisting of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers having a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, of about 100 gsm Has a basis weight. The substrates are heat-sealed dies using a pressurized platen heat seal device such as the Sentinel Model 808 heat sealer from Sencorp [Hyannis, MA], at a temperature sufficient for the batt to melt and flow into the first layer and thus form an appropriate seal. And pressure-sealed together into the pane design, generally about 300 ° F. and 30 psi mechanical pressure seals for 6-10 seconds are appropriate. The sutures are continuous around the edges and have a single pane cross circle that is about 2 mm wide in each of the X- and Y-directions. After cooling. The article is trimmed to about 11 inches by about 8.56 inches. 10 g of the skin cleansing and conditioning ingredients of Example A or B are dried with a paste and applied to the surface of the article with dots each containing 0.2 g of the composition in half of each side using a pipette.
[519] Example 172
[520] Representative skin cleansing and conditioning articles are prepared in the following manner. Representative skin conditioning ingredients containing the following ingredients are prepared.
[521] ingredientExample CExample D SEFA * Catonate62.052.0 Mineral oil 4.5 Stearyl alcohol Stearic acid lanolin20.013.0 Ethylene Vinyl Acetate Polymer ¹ 10.010.0 Polydecene ² 2.0 Sodium Lauroyl Sarcosinate ³ 3.003.0 Lauryl Betaine ⁴ 1.502.0 Lauro Ampo Acetate ⁵ Sodium Lauret-3 Sulfate ⁶ Cocamide MEA ⁷ Sulfuric acid Guar hydroxypropyltrimonium chloride 0.50 Cholesterol ⁸ 1.0Nonylphenol Polyglycine Ether ⁹ 5.0 Micronized Titanium Dioxide 4.0 Octyl methoxycinnamate 4.0 Nicotinamide2.5glycerin water PEG6 Caprylic Acid / Capric Acid Glyceride Maleized Soybean Oil Soybean Oil (Deodorized) Coconut Fatty Acid Polyquaternium-10 Air freshener, preservative, other SEFA is an acronym for sucrose esters of fatty acids. 1 Available from DuPont as Elvax 40W 2 Available from Mobil as Puresyn 3000 3 Available from Hampshire Chemical as Hamposyl L95 (solid) or L30 (30% active in water) 4 Available from Albright & Wilson as Empigen BS98 (80% Betaine, 20% salt) 5 Available from Albright & Wilson as Empigen CDL60 6 Available from Albright & Wilson as Empicol ESC3 7 from Albright & Wilson to Empilan CME / G Available 8 Available in Super Hartolan from Croda 9 available in Hamplex TNP from Hampshire Chemical Co.
[522] The lipid component was dissolved, water (if applicable) and wetting agent (s) were added and heating and stirring continued until homogenization by addition of surfactant. Cool to room temperature and add skin care active (s) and deposition agent (s). The pH is adjusted to about 7.0 with sulfuric acid. Temporarily exclude
[523] The first substrate and the second substrate are cut into rectangles of about 12 inches by 9 inches. The first substrate is a spunlace blend of 70% rayon and 30% PET fibers bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. The second substrate is a bet consisting of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers having a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, of about 100 gsm Has a basis weight. The substrates are heat-sealed dies using a pressurized platen heat seal device such as the Sentinel Model 808 heat sealer from Sencorp [Hyannis, MA], at a temperature sufficient for the batt to melt and flow into the first layer and thus form an appropriate seal. And pressure-sealed together into the pane design, generally about 300 ° F. and 30 psi mechanical pressure seals for 6-10 seconds are appropriate. The sutures are continuous around the edges and have a single pane cross circle that is about 2 mm wide in each of the X- and Y-directions. After cooling. Heat the reservoir, pump, on-off valve, multi-pipette head, and coating where the article is trimmed to about 11 inches by about 8.56 inches and the 8 g of skin cleansing and conditioning ingredients of Example C or D are maintained at about 70 ° C. Dot coating onto the article is 4 grams per side using an XY table, a programmable adjustment metrology system that includes a motorized XY coordinate adjustment system for the head. The dot contains about 0.4 g of the composition and the diameter is about 8 mm. The composition cools rapidly on the surface of the article. Pack the item until it is ready for use.
[524] Example 173-175
[525] Representative skin cleansing and conditioning articles are made in the following manner.
[526] First, a liquid cleansing ingredient containing the following ingredients is prepared:
[527] ingredientExample 173Example 174Example 175 Sodium Lauret 3 Sulfate 3.60 Sodium C13 / C14 Methyl Branched Chain Sulfate5.005.604.50 Sodium paraffin sulfonate 6.40Sodium alpha olefin sulfonate 5.20 Sodium Lauryl Sulfate5.50 Sodium Lauro Ampo Acetate4.505.303.65 Cocamide MEA3.553.202.80 Succinic acid2.805.706.00 Sodium succinate0.100.140.30 Citric acid3.004.305.00 Sodium citrate1.601.101.40 Malonic acid4.002.20glycerin10.0015.008.50 Coconut Fruit 12-18 Fatty Acid2.00 3.00 Spices1.001.201.00 MgSO4-7H2O0.890.900.80 water54.2147.6152.25 Salicylic acid1.85 Triclosan 0.25Trichlorocarbanilide 1.10Zinc pyrithione 2.00
[528] The cleansing component is brushed on one side of the substrate and applied to one side of the first substrate until 10 grams of the composition is added to the 11 inch by 8.5 inch cut surface. The substrate consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers having a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Is a ropetty low density bet. The first substrate is dried. The second substrate is laminated to the untreated side of the first substrate using an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points evenly distributed over the web at 2 cm intervals. The second substrate is a spunlace blend of 70% rayon and 30% PET fibers bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. The skin conditioning component of Example 20 is dot coated at a rate of about 3 grams of composition per article on the outer surface of the second substrate using an extrusion jetting head fed with a reservoir of heated composition (60-70 ° C.). The dots each contain about 0.1 g of the composition and are about 5 mm in diameter. Cool the item and package it until ready to use. The article is endowed with sustained antiviral, antifungal, and antibacterial activity against gram negative and gram positive microorganisms, is foamy and relatively mild to the skin.
[529] Example 176
[530] Representative skin cleansing and conditioning articles are made in the following manner.
[531] Four grams of the surfactant composition of Example 11 are spread by hand uniformly over the lofted bet. The bet is a 4 oz / sq ² polyester bet containing polyester fiber with an average diameter of about 30 microns and cut to 130 mm x 175 mm and bonded with an adhesive, for example Stearns Textiles (Cincinnati, OH) Available as Mountain Mist Extra Heavy Batting # 205. Surfactant coating of the batt with a fibrous nonwoven layer having a basis weight of about 65 gsm and a wet entangled blend of 55% cellulose and 45% polyester (commercially available as Technicloth II from The Texwipe Company (Saddle River, NJ)). Lay across. The layers are stitched together using a peristaltic suture plate using an unheated plate with inverted thimble-shaped reservoirs uniformly distributed in a hexagonal grid pattern. The thimble reservoirs are about 1.2 cm in diameter at the base and about 1.5 cm apart from the center-center. The land area between the dimples on the unheated plate is convex several mm upwards, forming a ridge connected to each other. The heating plate has external fractures that exactly fit into the ridges of the unheated plate. The heating plate is in contact with the cellulose / polyester substrate and heat sealed using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, Mass.). The resulting unfinished article has three-dimensional features on both sides that aid in foaming and are easy to grip during use to slide along the skin surface. The article is cut into about 120 mm x 160 mm rectangles.
[532] Skin Conditioning Inverse Emulsion Paste for use with the article is prepared as follows:
[533] ingredientpercent PEG 30-dipolyhydroxystearate3.0 SEFA Cartonate20.0 Mineral oil4.0 Tribehenin5.0 C10-C30 Cholesterol / Lanosterol Ester13.0 SEFA Behenate5.0 glycerin50.0
[534] The fat-soluble component is heated to 70 ° C. with stirring. Add glycerin slowly with vigorous stirring. Homogenize the composition. Three grams of skin conditioning inverse emulsion paste is pipetted hot into the pressed area on the cellulose / polyester side of the article. The composition is quickly cooled to a semisolid paste. Pack the item until it is ready for use.
[535] Examples 177-181
[536] Using the skin conditioning ingredients of Examples 20, 34, 39, 80 and 85, representative skin conditioning articles are prepared in the following manner.
[537] The conditioning head is divided into four strips, each 5 mm wide and adapted to the width of the web, separated into 20 mm, 40 mm and 20 mm intervals, with a pair of parallel lines on each side of the web. Continuous extrusion through is applied to one side of the first substrate. The composition is extruded at a rate such that 3 grams of composition are obtained per finished article. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second web, an air-layed lotity low density bet, is continuously fed over the first substrate and placed in contact with the first substrate on a side that does not contain the skin conditioning composition. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm × 160 mm rectangular size with rounded corners, with a total of about 51 suture points per article.
[538] Example 182-186
[539] Using the skin conditioning ingredients of Examples 20, 33, 39, 80 and 94, representative skin conditioning articles are prepared in the following manner.
[540] The conditioning component is applied to one side of the first substrate by extruding through an extrusion jetting head to form dots each containing 0.05 g of composition and having a diameter of about 3 mm. The composition is extruded at a rate such that 1.1 grams of the composition are obtained per finished article. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second web, an air-layed lotity low density bet, is continuously fed over the first substrate and placed in contact with the first substrate on a side that does not contain the skin conditioning composition. The batting consists of a blend of 10% 15 denier PET fibers, 50% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 40% of the same core-sheath composition, with a basis weight of about 80 gsm. Have The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm x 90 mm rectangular size with rounded corners, with a total of about 51 suture points per article. The article is convenient to apply to narrower areas of the skin, such as the face, elbows, necks and / or feet.
[541] Example 187-191
[542] Representative skin cleansing and conditioning articles are prepared using the skin conditioning ingredients of Examples 20, 33, 39, 80, and 94.
[543] The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 0.52 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second substrate web, which is an air-layed lofty low density bet, is continuously fed over the first substrate and placed in contact with the surfactant layer. The batting consists of a blend of 10% 15 denier PET fibers, 50% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 40% of the same core-sheath composition, with a basis weight of about 80 gsm. Have A third substrate web identical to the second substrate web is continuously fed over the second substrate web and placed in contact with the second substrate. The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The skin conditioning components are dot coated at a rate of 1.25 grams of skin conditioning components per finished article on both sides of the substrate web from the hot reservoir pumped through the extrusion jetting head. The composition contains 0.07 g of composition each and is distributed in dots of 4 mm in diameter and located within some closure points. The article is passed through a cooling fan to rapidly cool the composition on the article outer surface. The web is cut into individual articles of about 120 mm x 90 mm rectangular size with rounded corners.
[544] Example 192
[545] Representative skin cleansing and conditioning kits are prepared in the following manner.
[546] Prepare a skin cleansing article. The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second web, an air-layed lotity low density bet, is continuously fed over the first substrate and placed in contact with the surfactant layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm x 480 mm rectangular size with rounded corners.
[547] Prepare a skin conditioning article. The conditioning components of Example 39 were each 5 mm wide and 4 strips separated at intervals of 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. And continuously extruded through the coating head and applied to one side of the first substrate. The composition is extruded at a rate such that 3 grams of composition are obtained per finished article. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second web, an air-layed lotity low density bet, is continuously fed over the first substrate and placed in contact with the first substrate on a side that does not contain the skin conditioning composition. The bet consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, about 100 grams per square meter (gsm ) Has a basis weight. The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm × 160 mm rectangular size with rounded corners, with a total of about 51 suture points per article.
[548] The skin cleansing article and the skin conditioning article are packaged together in a single package.
[549] Example 193
[550] Representative skin cleansing and conditioning kits are prepared in the following manner.
[551] Prepare a skin cleansing article. The cleansing component of Example 11 was run through the coating head in four lines separated by 20 mm, 40 mm and 20 mm, respectively, to the width of the web, with a pair of parallel lines on each side of the web. Extruded and applied to one side of the first substrate. The cleansing components are extruded at a rate such that 4.4 grams of cleansing components per finished article are obtained. The substrate is a spunlace blend of 70% rayon and 30% PET fiber bonded with a styrene-butadiene adhesive, which is aqueous voided to form pores of about 2 mm diameter and has a basis weight of about 70 gsm. A second web, an air-layed lotity low density bet, is continuously fed over the first substrate and placed in contact with the surfactant layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Have The web is continuously fed into an ultrasonic suture that sutures in a dot pattern that includes a grid of 4 mm diameter suture points uniformly distributed across the web. The web is cut into individual articles of about 120 mm x 480 mm rectangular size with rounded corners.
[552] Prepare a skin conditioning article. A substrate is produced that is a wet entangled blend of fibers with softer and finer denier fibers on one side and coarse fibers on the other side. The substrate is prepared by air-laying two webs, each having a basis weight of about 20 gsm and comprising 10 denier polyester (PET) fibers, one web on top of the other. A web of polypropylene scrim having a diameter of about 100 microns and woven about 0.8 cm apart is fed over the fibrous web as a third web. A fourth web and a fifth web comprising 3 denier polyester fibers are each air-layed at about 20 gsm on top of the web. The webs are entangled with water to fix them into a single web unit and dried on a drying can until moisture is removed and about 20% shrinkage due to relaxation of the scrim occurs. By kiss roll application at a wet addition rate of about 7 gsm, a low T _g (about 5 ° C.) waterborne acrylic adhesive copolymer is added to the coarse fiber side of the web and dried. The skin conditioning component of Example 26 is added to the web by slot coating the composition with a stripe of 5 mm x 90 mm on both sides of the web at a rate of about 25 gsm per side. The substrate web is cut into individual articles of about 120 mm x 100 mm rectangular size with rounded corners using a hot cutting roll that causes the scrim fibers to shrink slightly from the edge of the article when cut.
[553] The skin cleansing article and the skin conditioning article are packaged together in a single package.
[554] Example 194
[555] Representative skin cleansing and conditioning articles are made in the following manner.
[556] Prepare the first side. A polyester batting having a basis weight of 2 oz / yd ² produces a first side of the first side, comprising a fiber blend of about 23 microns and 40 microns average diameter, with at least a portion crimped. The thickness of the bet is approximately 0.23 in. Measured at 5 gsi. to be. The batting has an air permeability of about 1270 cfm / ft ² and a foam permeability critical pressure of about 2.7 cm H ₂ O. Betting is considered to be thermally bonded without the use of adhesives. Cut the bet 10 square inches. A second layer of the first side, which is a 10 square inch sheet of microporous formed 100 mesh molded film made by forming aqueous pore formation at high pressure on a drum comprising a 100 meshed screen, is prepared (eg, US Pat. No. 4,629,643). As disclosed in). The sheet is placed on the first layer with the water void forming surface facing up. 25 grams of the skin cleansing component of Example 1 is centered on the first side. The composition is slightly flattened to a shape that is about 1/2 inch thick and a few inches diameter. A layer of impermeable polyethylene film, having the same ten square inch dimensions as the first layer, is laid over the composition. 25 grams of the skin conditioning component of Example 88 is shaped the same as the cleansing composition and placed on top of the film at the same xy position as the surfactant. The microporous and macroporous formed film layer (also disclosed in US Pat. No. 4,629,643) is placed with the macroporous male side facing the composition and the microporous male side facing up. Also cut the layer to 10 square inches. A final layer is prepared which is a wet entangled blend of fibers with soft fine denier fibers. Two webs, each having a basis weight of about 17 gsm and comprising 3 denier polyester (PET) fibers, are air-layed from one web on top of the other to make a layer. Continuous supply of a web of elastomeric scrim comprising a fiber of about 100 microns diameter in one direction, woven with fibers of about 40 microns diameter in the other direction, woven at about 1.0 cm spacing, over the fibrous web as a third web do. The web is commercially available from Conwed Plastics (Minneapolis, MN). Fourth and fifth webs comprising 3 denier polyester fibers are each air-layed at about 17 gsm on top of the web. The webs are entangled with water to fix them into a single web unit and dried on a drying can until moisture is removed. The web is wrinkled by the web tension during the wet tangle and drying process and subsequent relaxation after processing. A piece of layer is cut to about 10 inches by 10 inches in size and laid over the top of the other layers. The layers are sealed together using a pressure plate type heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, MA). The unsealed (unheated) bottom plate shaped to contain the composition is used and heat sealed using an untreated (heated) top plate that fits the bottom plate around the circular suture rim. Typical sealing conditions are to leave the machine at 300 ° C. for a residence time of about 3.5 seconds, supplying a pressure of about 30 psig, but may vary depending on the sealing device used. Keep the items in their packaging until they are cleaned and used.
[557] Example 195-198
[558] Representative skin cleansing and conditioning articles are prepared in the following manner with the hot melt cleansing components of Examples 7, 13, 14 and 15.
[559] A substrate is produced that is a wet entangled blend of fibers with softer and finer denier fibers on one side and coarse fibers on the other side. The substrate is prepared by air-laying two webs, each having a basis weight of about 20 gsm and comprising 10 denier polyester (PET) fibers, one web on top of the other. A web of polypropylene scrim having a diameter of about 100 microns and woven about 0.8 cm apart is fed over the fibrous web as a third web. A fourth web and a fifth web comprising 3 denier polyester fibers are each air-layed at about 20 gsm on top of the web. The webs are entangled with water to fix them into a single web unit and dried on a drying can until moisture is removed and about 20% shrinkage due to relaxation of the scrim occurs. By kiss roll application at a wet addition rate of about 5 gsm, an acrylic adhesive copolymer which floats in water of medium T _g (about 15 ° C.) is added to the rough fiber side of the web and dried. The surfactant is continuously added to the web by slot coating the composition uniformly on the rough fiber side of the web at a rate of about 80 gsm. The skin conditioning component of Example 19 is added to the web by dot coating the composition on the soft fiber side of the web at a rate of about 3 g per finished article. The dots each contain about 0.1 g of the composition, the diameter is about 5 mm, and the dots of the composition are placed together in a patch so that they are in the center of the finished article. The substrate web is cut into individual articles of about 120 mm x 480 mm rectangular size with rounded corners using a hot cutting roll that causes the scrim fibers to shrink slightly from the edge of the article when cut.
[560] Example 199-203
[561] Representative skin cleansing and conditioning articles are prepared using the skin cleansing ingredients of Examples 6, 8, 10, 11, and 17 in the following manner.
[562] A substrate is produced that is a wet entangled blend of fibers with softer and finer denier fibers on one side and coarse fibers on the other side. The substrate is prepared by air-laying two webs, each having a basis weight of about 20 gsm and comprising 10 denier polyester (PET) fibers, one web on top of the other. A web of elastomeric scrim woven from about 100 microns in diameter in one direction and about 40 microns in diameter in another direction is fed over the fibrous web as a third web. Such a web is available from Conwed plastics (Minneapolis, MN). A fourth web and a fifth web comprising 3 denier polyester fibers are each air-layed at about 20 gsm on top of the web. The webs are entangled with water and fixed in a single web unit and dried on a drying can until moisture is removed. By applying a kiss roll at a wet addition rate of about 5 gsm, a medium T _g (about 15 ° C.) The acrylic adhesive copolymer in water is added to the rough fiber side of the web and dried. The article is prepared by cutting from the web into a 10 inch by 8 inch rectangle, brushing about 12 gm of the liquid surfactant composition, and drying in a convection oven. The skin conditioning component of Example 19 is added to the web by dot coating the composition on the soft fiber side of the web at a rate of about 3 g per finished article. The dots each contain about 0.1 g of composition and a diameter of about 5 mm. Pack the goods until use.
[563] Example 204
[564] Representative skin cleansing and conditioning articles are made in the following manner.
[565] The first substrate is produced. The first substrate consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers having a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, about 100 A pneumatic, lofty, low density bet with a basis weight of gsm. The bet is heated to leave a pressed land area surrounding the raised, button-like repeat unit shaped as an incandescent bulb that forms a material represented by the loop portion of the hook-and-loop locking system. Embossed using an embossing roll. The material is available from PGI Nonwovens (Benson, NC). 4.4 grams of the skin cleansing component of Example 11 is uniformly applied to the backside (flat face) of the 10 inch by 8.5 inch rectangle of the first substrate. A second substrate, a lofty, high wet strength, adhesively bonded cellulose paper towel having a basis weight of about 53 gsm, is cut to a size of about 10 inches by 8.5 inches. Useful towels are manufactured by The Procter & Gamble Company and Bounty Rinse & Reuse, having a thickness of about 0.047 inches at 5 gsi by maintaining their Z-direction height when wet and wet-forming on a shaped belt. To be sold. Substrates are placed at four points on the edge and center of the article (5 mm in diameter, evenly spaced from the nearest edge) using pressure plate heat seals such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, MA). Heat bond. The article is groomed and hot applied and cooled by pipetting three grams of skin conditioning component of Example 19 into four suture points within the center of each side of the article. Pack the goods until use.
[566] Example 205
[567] Representative skin cleansing and conditioning articles are made in the following manner.
[568] The substrate is prepared by the air-ray method. A thin first web of 20 gsm continuous polypropylene filamentated fiber is fed to a continuous molded screen. Cellulose containing the second web (Kraft fiber) is air-layed on the first web at a rate of 100 gsm. The surfactant composition of Example 4 is co-melted with cellulose fibers at a rate of about 80 gsm. The same third web as the first web is fed onto the air-layed cellulose. The substrate was made by thermally bonding the edges and dot-sealing about 51, 3 mm points of a 10 inch by 8.5 inch rectangular portion of the composite web. The skin conditioning component of Example 93 was melted and dot coated using an extrusion jet head to form dots containing about 0.1 g of composition at a ratio of 3 grams per composition or 1.5 grams per side on both sides of the article. After cooling, it was rapidly cooled. Pack the goods until use.
[569] Example 206
[570] Representative skin cleansing and conditioning articles are made in the following manner.
[571] The article of Example 205 is prepared except that a biodegradable article is made by replacing the polypropylene with a biodegradable polylactic acid polymer.
[572] Example 207
[573] Representative skin cleansing and conditioning articles are made in the following manner.
[574] A layer of lofty, high wet strength, adhesively bonded cellulose paper towel having a basis weight of about 53 gsm is cut to a size of about 10 inches by 9 inches folded in each direction. Useful towels are manufactured by The Procter & Gamble Company and Bounty Rinse & Reuse, having a thickness of about 0.047 inches at 5 gsi by maintaining their Z-direction height when wet and wet-forming on a shaped belt. To be sold. The cellulose layer is immersed in the surfactant composition of Example 8 until it absorbs 6 grams of the composition and the composition is dried. The skin conditioning component of any one of Examples 58-77 is melted and dot coated using an extrusion jet head so that dots containing about 0.1 g of the composition are placed on both sides of the article on 3 grams of the composition or per side of the article. After forming at a rate of 1.5 grams, it was cooled rapidly. Pack the goods until use. The article advantageously provides a soft, easy-to-hold cleaning device for the skin, provides cleaning that does not tear the entire body, hair and face of the child, and is easy to dispose and biodegradable.
[575] Example 208-209
[576] Representative skin cleansing and conditioning articles are prepared using the skin conditioning ingredients of Examples 78 and 81 in the following manner.
[577] The low water-cleansing component of Example 2 was 1: 1 with aluminosilicate, which generates heat due to exothermic reactions when exposed to water and is commercially available as Advera 401 N from The PQ Corporation (Valley Forge, PA). Grind to 3 rolls in the ratio of. Ten grams of cleansing ingredients are applied to one side of the batting layer. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Is an air-layed, Lofty, low density bet. Surfactants are applied to the fibers in four quadrants, forming a rectangle of about 10 inches by 12 inches, leaving a space between the edge and quadrant so that the layer is sealed without surfactant. Aqueous pore-formed, comprising about 10 micron diameter polyester fibers, having a fiber diameter of about 100 microns across the nonwoven width and about 250 microns perpendicular to the width, woven at about 1 cm spacing (bonded A second nonwoven layer comprising an interlocking scrim is prepared. The scrim is commercially available from Conwed plastics (Minneapolis, MN). The second nonwoven has a basis weight of about 70 gsm and is slightly crumpled due to relaxation of the web and subsequent elongation during manufacture of the nonwoven. The layers are sealed around 2 mm wide using a point bond and a heat seal die using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, Mass.). The point bonds each have a diameter of about 3 mm and about 51 individual suture points are evenly distributed. The article was trimmed and 4 g of skin conditioning component was applied to the looted batting side of the article by applying a composition at 60 ° C. to dots within some closure points using an extrusion jetting head. The composition is rapidly cooled on the article surface and stored in a sealed metallized film package until ready for use.
[578] Example 210
[579] A representative skin cleansing and conditioning article is prepared using the liquid cleansing component of Example 6 and the skin conditioning component of any one of Examples 78-82 in the following manner.
[580] The liquid surfactant composition was applied to one side of the first substrate in a pane design while avoiding edge and suture locations by coating with a brush until 2 grams of solid surfactant were applied. Substrate consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with PET core and PE sheath, and 10% denier bicomponent fibers 35% of the same core-sheath composition, airy lofty low density batting And a basis weight of about 100 gsm. Dry the composition. A second substrate, a high humidity strength, adhesively bonded cellulose paper towel having a good loft and a basis weight of about 53 gsm, is placed over the exposed face of the betting cleansing component. Useful towels are manufactured by The Procter & Gamble Company and Bounty Rinse & Reuse, having a thickness of about 0.047 inches at 5 gsi by maintaining their Z-direction height when wet and wet-forming on a shaped belt. To be sold. A heat seal die using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, MA), which seals the layers together in a rectangular pane shape at a temperature and pressure sufficient to form a suitable seal. Continuously sutured around the edges, it has a single pane cross circle that is about 2 mm wide in each of the X- and Y-directions. The article is trimmed and 1.5 grams of skin conditioning component is applied to the roped batting side of the article by an extrusion jetting head to form dots of the coating and the composition is fed to the jetting head at 60 ° C. If necessary, the composition dots are dried rapidly so as not to substantially expand in size. Alternatively the composition dots are cooled on the article. Store articles in sealed metallized film packages until ready to use.
[581] Example 211
[582] Using the skin conditioning component of Example 89, a representative skin cleansing and conditioning article is prepared in the following manner.
[583] Four grams of the cleansing ingredients of Example 11 are evenly spread by hand over the lofted bet. The batting consists of a blend of 30% 15 denier PET fibers, 35% 3 denier bicomponent fibers with a PET core and PE sheath and 10% denier bicomponent fibers 35% of the same core-sheath composition, with a basis weight of about 100 gsm. Is an air-layed, Lofty, low density bet. The batting cleansing component is coated with a fibrous nonwoven layer having a basis weight of about 65 gsm and a wet entangled blend of 55% cellulose and 45% polyester (commercially available as Technicloth II from Texwipe Company (Saddle River, NJ)). Over the sides. The layers are sutured together using an interlocking suture plate using an unheated plate having an inverted thimble shape reservoir uniformly distributed in a hexagonal grid pattern. The thimble reservoirs are about 1.2 cm in diameter at the base and about 2 cm apart from the center-center. The land area between the dimples on the unheated plate is concave a few mm inward, forming a wave connected to each other. The heating plate has an external ridge that exactly fits into the valleys on the land portion of the unheated plate. The heating plate is in contact with the cellulose / polyester substrate and heat sealed using a pressure plate heat seal device such as the Sentinel Model 808 heat sealer available from Sencorp (Hyannis, Mass.). The resulting unfinished article has a prominent thimble shape with raised batting face and shorter dimples or “” buttons ”with raised cellulose / polyester base face of the article, both sides being easy to grip. Cut into squares 3 grams of skin conditioning ingredient per article is pipetted into the fracture area while the composition is hot to cool and solidify The article is packaged until ready to use.
[584] Example 212
[585] A representative personal care kit containing a skin cleansing and conditioning article is prepared by packaging the article of Example 176 in a dry article containing at least one substrate layer.
[586] Example 213
[587] A representative personal care kit containing a skin cleansing and conditioning article is prepared by packaging the article of Example 172 with a dry article containing at least one substrate layer and an anti-cellulite composition impregnated into the substrate layer.

权利要求:
Claims (14)
[1" claim-type="Currently amended] Articles suitable for cleansing comprising:
a) Substrate sheet containing:
1) a first base layer, and
2) a second base layer attached to the first layer;
b) a cleansing component disposed adjacent the substrate sheet; And
c) A therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[2" claim-type="Currently amended] The article of claim 1, wherein the cleansing component is disposed between the first substrate layer and / or the second substrate layer or permeated into the first substrate layer and / or the second substrate layer.
[3" claim-type="Currently amended] 2. The method of claim 1, wherein the therapeutic benefit component is disposed on the surface of the first and / or second substrate layer at one or more locations in a form selected from the group consisting of shape, design, logo, and combinations thereof. Goods.
[4" claim-type="Currently amended] The article of claim 3, wherein the therapeutic benefit component is disposed on the surface at multiple locations.
[5" claim-type="Currently amended] The article of claim 4, wherein the shape is selected from the group consisting of dots, straight lines, curves, stars, rectangles, triangles, ellipses, and combinations thereof.
[6" claim-type="Currently amended] The article of claim 1, wherein the first layer and the second layer are sealed together to form a storage enclosure on one or more surfaces of the substrate sheet, and wherein the therapeutic benefit component is disposed within the storage enclosure.
[7" claim-type="Currently amended] The article of claim 6, wherein upon closure, the storage enclosure is formed on both the top surface and the bottom surface of the base sheet.
[8" claim-type="Currently amended] Articles suitable for cleansing comprising:
a) Substrate sheet containing:
1) a first base layer, and
2) a second substrate layer sutured to the first layer to form one or more storage enclosures on one or more surfaces of the substrate sheet, wherein the storage enclosure is selected from the group consisting of shape, design, logo, and combinations thereof A second base layer in a form of;
b) a cleansing component disposed adjacent the substrate sheet; And
c) A therapeutic benefit component disposed within said storage enclosure, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[9" claim-type="Currently amended] The article of claim 1 which is a personal care article suitable for use on the skin and / or hair.
[10" claim-type="Currently amended] Articles suitable for conferring a therapeutic benefit comprising:
a) Substrate sheet containing:
1) a first base layer, and
2) a second base layer attached to the first layer;
b) A therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[11" claim-type="Currently amended] Cleansing and / or conditioning method comprising the following steps:
a) wetting the article of any one of claims 1 to 10 with water;
b) contacting the moistened article with skin or hair.
[12" claim-type="Currently amended] A personal care kit comprising an article suitable for cleansing containing:
a) Substrate sheet containing:
1) a first base layer, and
2) a second base layer attached to the first layer;
b) a cleansing component disposed adjacent the substrate sheet; And
c) A therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[13" claim-type="Currently amended] A personal care kit comprising an article suitable for conferring a therapeutic benefit containing:
a) Substrate sheet containing:
1) a first base layer, and
2) a second base layer attached to the first layer;
b) A therapeutic benefit component disposed adjacent to the substrate sheet, wherein the therapeutic benefit component occupies less than 50 cm 2 of substrate sheet per gram of therapeutic benefit component.
[14" claim-type="Currently amended] The article of claim 1, wherein the substrate sheet contains one or more additional substrate layers.

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同族专利:

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公开号 | 公开日

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CZ20022328A3|2002-11-13|

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AU3456101A|2001-08-07|

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CA2396627A1|2001-08-02|

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CN1396821A|2003-02-12|

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MXPA02007297A|2002-11-29|

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EP1250123A1|2002-10-23|

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WO2001054661A1|2001-08-02|

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JP2003521490A|2003-07-15|

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BR0107791A|2003-02-18|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2000-01-28|Priority to US49352800A

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2000-01-28|Priority to US09/493,528

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2001-01-25|Application filed by 더 프록터 앤드 갬블 캄파니

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2003-01-17|Publication of KR20030005170A

优先权:

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申请号 | 申请日 | 专利标题

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US49352800A| true| 2000-01-28|2000-01-28|

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US09/493,528|2000-01-28|