composition for styling hair, and method for styling hair

专利摘要:
HAIR STYLIZING COMPOSITION, AND, METHOD FOR STYLING THE HAIR Compositions for styling hair comprising at least two latex polymers are described, wherein at least one latex polymer is a film-forming polymer. The composition is capable of forming a film having certain properties on a substrate. Methods for styling hair are also described.
公开号:BR112015032458B1
申请号:R112015032458-4
申请日:2014-06-25
公开日:2020-12-01
发明作者:Siliu TAN；Jean-Thierry Simonnet；Jim Mitchell Singer；Nghi Van Nguyen
申请人:L'oreal；
IPC主号:

专利说明:

Cross-referencing related orders
[001] This application claims priority for US Patent Applications Nos. 13 / 931,187, filed on June 28, 2013, which is incorporated herein by reference in its entirety. Technical Field
[002] The description refers to hair styling compositions comprising at least two latex polymers, wherein at least one latex polymer is a film-forming polymer. In various embodiments of the description, at least two latex polymers are chosen to have certain properties. Compositions comprising at least two latex polymers can, according to certain embodiments, form films having surprising properties. Methods for styling hair with these compositions are also described. Foundations
[003] Compositions for styling hair are known, such as, for example, hair spray compositions, hair gels and foams, compositions to increase hair volume, hair straightening creams, lotions, serums, oils, clays , etc. The goals of many hair styling compositions include fixing or maintaining the hair in a particular shape, to check or increase the volume of the hair, and / or to straighten the hair, for example, to reduce or eliminate the appearance of frizzy.
[004] Problems associated with current hair styling products include that the product is often sticky or sticky and / or often produces a film that gives it a sticky or sticky feeling, and stylized hair that is stiff and / or " crunchy "(that is, the film is hard and brittle resulting in a cracking sound or sensation when the hair is touched), which is undesirable for most consumers.
[005] Current hair styling products typically include water-soluble film-forming polymers. Depending on the chemical composition of these polymers, they can be either water-soluble polymers, or they can be water-insoluble which are made water-soluble through various chemical modifications, such as neutralization. Solutions comprising these polymers tend to be viscous, that is, as the concentration of the polymer increases, its viscosity increases rapidly. Translated to styling applications, as the solvent evaporates, the polymer solution becomes thicker on the hair surface, resulting in a sticky or sticky film. These products also tend to have problems with the product's spreading and hair control capabilities, and low degree of moisture resistance which is particularly a problem in hot and humid countries.
[006] The use of latex polymers is also known, for example, as providing properties of prolonged use for a cosmetic product (for example, mascara, eyeliner, nail polish) in which they are formulated.
[007] Some known compositions include a latex polymer. For example, US Patent 6,126,929 describes a composition comprising a dispersion of a latex film former, optionally with a plasticizer, and a non-film forming particle capable of being formed into a film. US Patent No. 4,710,374 describes a composition comprising cationic polymers, a surfactant, and an anionic latex. US Patent No. 7,740,832 describes a composition comprising at least one non-latex polymer and an anionic, cationic or amphoteric fixing polymer. US Patent No. 4,798,721 describes a composition comprising a latex particle. US Patent Application No. 2005/0089490 A1 describes a composition comprising a water-dispersible styling polymer and a gel-forming polymer.
[008] Other known cosmetic compositions include several components to provide improved properties, such as adhesion, flexibility, and compatibility of other components. For example, US Patent Application No. 2007/0224140 A1 describes a composition comprising a cosmetically acceptable medium, a non-film-forming microsphere for providing adhesion, and a film-forming component comprising two water-based emulsion polymers. Patent application FR 2 968 978A describes an eyeliner composition comprising at least two film-forming latexes and a plasticizer to increase the flexibility of the film. Patent application FR 2 898 050 A describes a composition comprising a fatty acid ester, and a copolymer of a polymer (meth) acrylate and a hydroxyester (meth) acrylate. US Patent Application 2009 / 0297467A describes a composition comprising at least one neutralized sulfonated polymer and mixtures of acrylates and hydroxyester acrylates. US Patent Application 2009/035335 A1 describes a mascara composition comprising two water-dispersible acrylate polymers, and a cross-linked polymeric film former to enhance compatibility and bond the two water-dispersible acrylate polymers. International Patent Application WO 2011/137338 A2 describes a composition comprising a polyurethane dispersion and an acrylic film forming dispersion. US Patent Application 2004 / 0071646A describes an aerosol device containing a composition comprising a polyurethane dispersion having a particle size of 0.1 to 1 inn and at least one non-latex fixative polymer.
[009] In addition, some cosmetic compositions incorporate polymers having a core-shell structure. For example, US Patent Application No. 2003/0064045 A1 describes a mascara composition comprising a dispersion of particles having a core-shell structure. US Patent No. 2007/0286833 A1 describes a multistage polymer comprising a latex core-shell particle comprising a soft polymer and a hard polymer. In addition, US Patent Application 2009 / 0317432A describes a makeup applicator containing a composition comprising a colorant and at least a latex or latex core-shell particle.
[0010] Cosmetic compositions in a non-aqueous medium are known. For example, European Patent Application EP 1 082 953A describes a dispersion comprising two isododecane film former. International Patent Application No. WO11056332A describes a composition comprising three volatile solvents and at least one film-forming agent, for example, silicon acrylate or acrylate, soluble or dispersible in at least one of three solvents.
[0011] Compositions for use in mascara may have low glass transition temperatures ("Tg") to obtain a soft film. For example, US Patent Application 2010/0028284 A1 describes a mascara composition comprising at least two acrylate film makers, wherein c vgorgtcVwtc fg Vtcpuk> «q xiVtgc * $ Vi $ + fc eqorquk>« q fg tiogn fi 0 42 ° E. US Patent Application 2006 / 134043A describes a mascara composition comprising a fatty acid and at least one acrylate resin emulsion.
[0012] Some known compositions use solubilized polymers instead of polymer particles. For example, US Patent 7,651,693 describes a composition comprising a solubilized mixture of two polymers. US patent 6,214,328 describes a composition comprising at least an acrylate latex that is soluble in solutions containing low volatile organic compounds or in US 5,441,728 describes a composition comprising a water-soluble fixing polymer and a particle of latex. Water-soluble polymers tend to be sticky, and may not be suitable for applications requiring a clean touch.
[0013] US patent 5,441,728 describes a composition comprising a water-soluble fixative polymer and a l • tex particle. Water-soluble polymers tend to be sticky, and may not be suitable for applications requiring a clean touch.
[0014] Patent application FR 2 834 458A describes a nail polish composition comprising two film-makers in an aqueous medium in a specific ratio.
[0015] However, it has now been found that, by providing a composition comprising at least two latex polymers, wherein at least one of said latex polymers is a film-forming polymer, and where each latex polymer is selected to have particular properties, it is possible to form a film on a substrate that has certain desirable properties, such as a clean, natural, and / or "invisible" feeling, and without a sticky aspect. Such compositions can be usable in hair styling applications where the benefits of styling, such as a natural look, curls or straightening and styling are given to the hair.
[0016] In addition, compositions according to the description modalities can be prepared that provide a surprisingly wide range of benefits for hair styling, such as, for example, hairstyle fixing and curling retention properties in low to high ranges, for example, by varying the weight ratio between both latex polymers, with or without additives. Description of exemplary modalities
[0017] The description refers, in various embodiments, to compositions comprising at least two latex polymers, wherein at least one latex polymer is a film-forming polymer. In various embodiments, the at least two latex polymers can be chosen to have certain properties. In at least some embodiments, the at least two latex polymers are present in a combined amount in the range of about 0.1% to about 30% by weight, with respect to the weight of the composition. In other embodiments, the at least two latex polymers are present in the composition in a weight ratio of about 10: 1 to about 1:10.
[0018] The composition comprising at least two polymers forms a film when applied to a substrate. The film can, according to at least certain modalities of the description, have a Young's modulus in the range of about 0.05 MPa to about 5 GPa, and / or a deformation, under tension at 0.5 MPa, which is in the range up to about 300%. As an example only, the film may have a Young's modulus in the range of about 80 MPa to about 5 GPa and a strain, under tension at 0.5 MPa, in the range of about 0.01% less than that about 1%. As another example, the film may have a Young's modulus in the range of about 5 MPa to about 100 MPa and a deformation, under tension at 0.5 MPa, in the range of about 0.5% less than that about 20%. As yet another example, the film may have a Young's modulus in the range of about 0.05 MPa to about 5 MPa and a deformation, under tension at 0.5 MPa, in the range of about 10% to about 200%.
[0019] In at least some exemplary embodiments according to the description, the resulting film formed by the composition comprising at least two latex polymers, wherein at least one latex polymer is a film-forming polymer, is clear and / or transparent.
[0020] In other embodiments, methods for styling the hair are described, said methods comprising applying compositions according to the description to the hair. Such styling methods may comprise shaping, re-shaping, positioning, repositioning, adding volume to, curling, or straightening the hair in order to achieve a particular styling or appearance of the hair. LATEX POLYMERS
[0021] According to several exemplary embodiments of the description, the at least two polymers of latex polymer, at least one of which is a film-forming polymer, can be chosen to provide a composition that produces a film, wherein the film has a Young's modulus of about 0.05 MPa to about 5 GPa, and / or a deformation, under a stress of 0.5 MPa, which is in the range of up to about 300%. In several exemplary embodiments of the description, the at least two latex polymers are present in a combined amount in the range of about 0.1% to about 30% by weight, with respect to the weight of the composition. In other embodiments, the at least two latex polymers are present in the composition in a weight ratio of about 10: 1 to about 1:10.
[0022] In other embodiments, the at least two latex polymers, at least one of which is a film-forming polymer, can be identified as polymer A and polymer B. Compositions according to certain modalities may comprise at least one polymer A and at least one polymer B, wherein at least one of polymer A and polymer B is a film-forming polymer.
[0023] In several modalities, polymer A can be chosen from latex polymers having a Young's modulus in the range of about 0.1 MPa to about 10 MPa and a strain, under tension at 0.5 MPa, of at least least about 1%; and polymer B can be chosen from latex polymers having a Young's modulus in the range of about 10 MPa to about 6 GPa and a strain, under stress at 0.5 MPa, of less than about 5%. In at least certain embodiments, polymer A can have a glass transition temperature (Tg) in the range of about -90 ° C to about 40 ° C, and polymer B can have a glass transition temperature (Tg) in the range of about 40 ° C to about 200 ° C. In at least some other embodiments, the weight ratio of polymer A to polymer B in the compositions of the description is about 1:10 to about 1: 1, about 3: 1 to about 10: 1, or about 5: 1 to about 10: 1.
[0024] In at least certain exemplary and non-limiting embodiments, latex polymers A and B can be chosen so that polymer A comprises at least one latex polymer which is optionally a film-forming polymer which is a latex polymer relatively soft flexible, and polymer B comprises at least one latex polymer which is optionally a film-forming polymer which is a relatively hard brittle polymer, although such characteristics are not necessary.
[0025] At least one between polymer A and polymer B is a film-forming polymer. In various exemplary embodiments, latex polymer A is a film-forming polymer and latex polymer B is a non-film-forming polymer. In other exemplary embodiments, latex polymer A is a non-film forming polymer and latex polymer B is a film-forming polymer. In still other exemplary embodiments, latex polymer A is a film-forming polymer and latex polymer B is a film-forming polymer.
[0026] As used herein, a film-forming polymer means to include a polymer that is capable, alone or in the presence of an auxiliary film-forming agent, to form a macroscopically continuous film that adheres to the keratin materials, and preferably a cohesive film even so, a film whose cohesion and mechanical properties are such that said film can be isolated and manipulated individually, for example, when said film is prepared by pouring onto a non-stick surface, such as a surface coated with Teflon or silicone. In addition, as used herein, a non-film-forming polymer means to include a polymer that will not form a film at or below room temperature, or in other words, will only form a film at temperatures above room. For the purposes of this description, ambient temperature is taken to be below 40 ° C, as in the range of 15 ° C to 30 ° C.
[0027] Rqt "rgnq ogpqu fqku rqtfogtqu fg náVgz". it is contemplated that more than two latex polymers can be chosen. Thus, for example, in various embodiments, both polymers A and B in the composition of the description can be latex film-forming polymers, and the composition can also comprise at least one latex polymer which is a non-film-forming polymer; or one of polymer A and B can be a film-forming polymer while the other is a non-film-forming polymer, but at least one additional film-forming polymer (latex or non-latex) can also be added; and so on.
[0028] In other embodiments, the composition comprises exactly two latex polymers, at least one of which is a film-forming polymer. In still other embodiments, the composition comprises at least two latex polymers, one or both of which are film-forming polymers, but do not comprise any additional film-forming polymers.
[0029] In at least some embodiments of the description, the at least two latex polymers are supplied in the form of aqueous dispersions prior to formulating the compositions of the description. In various embodiments, aqueous dispersions can be obtained through emulsion polymerization of monomers in which the resulting latex polymers have a particle size of less than about 1 uo. Go rgnq ogpqu woc exemplary modality, a dispersion prepared by the polymerization in water of one or more monomers having a polymerizable double bond can be chosen. In another exemplary embodiment, the aqueous dispersions obtained through emulsion polymerization can be spray dried.
[0030] In other embodiments, latex polymers are produced from condensation reactions between monomers and subsequently dispersed in an aqueous medium.
[0031] Thus, latex polymers can, in several exemplary embodiments, exist as dispersed particles of polymer in a dispersion medium, such as an aqueous dispersion medium. Latex polymers can, in certain embodiments, each be dispersed in independent dispersion media. In still other embodiments, the latex polymers can be dispersed together in the same dispersion medium.
[0032] The dispersion medium comprises at least one solvent chosen from water. The dispersion medium may further comprise at least one solvent chosen from cosmetically acceptable organic solvents. Cosmetically acceptable organic solvents can, in various modalities, be miscible in water, for example, capable of forming, at 25 ° C, a homogeneous mixture that is transparent, or substantially transparent, to the eye. For example, cosmetically acceptable organic solvents can be chosen from lower monoalcohols, such as those containing about 1 to 5 carbon atoms, for example ethanol and isopropanol; polyols, including glycols, such as those containing about 2 to 8 carbon atoms, for example propylene glycol, ethylene glycol, 1,3-butylene glycol, dipropylene glycol, hexylene glycol, and glycerin; hydrocarbons, such as isododecane and mineral oil; and silicones, such as dimethicone, cyclomethicone, and cyclopentassiloxane; as well as mixtures thereof.
[0033] In at least one embodiment, the solvent of the dispersion medium consists of water. In other embodiments, the dispersion medium solvent consists of water and at least one cosmetically acceptable organic solvent. In other embodiments, the solvent comprises water. In still other embodiments, the solvent of the dispersion medium primarily comprises water. For example, the solvent of the dispersion medium may, in at least some exemplary embodiments, comprise more than 50% water, such as more than 55% water, more than 60% water, more than 65% water. water, more than 70% water, more than 75% water, more than 80% water, more than 85% water, more than 90% water, more than 95% water, more than 96% water, more than 97% water, more than 98% water, or more than 99% water.
[0034] In embodiments according to the description, the particles of the latex polymer are not soluble in the solvent of the dispersion media, that is, they are not soluble in water and / or they are not soluble in at least one organic solvent cosmetically acceptable. Consequently, latex polymers retain their particulate form in the chosen solvent or solvents.
[0035] In at least some exemplary embodiments, the latex particles, according to the description, can have an average diameter in the range of up to about 1000 nm, such as from about 50 nm to about 800 nm, or about from 100 nm to about 500 nm. Such particle size can be measured with a laser granulometer (for example Brookhaven BI90).
[0036] In various modalities, latex polymers can be independently neutralized, partially neutralized, or non-neutralized. In exemplary embodiments where the latex polymers are neutralized or partially neutralized, the particle size can be, for example, greater than about 800 nm. In at least certain embodiments, the particulate form of the latex polymers is retained in the dispersion medium.
[0037] In other modalities, latex polymers can be chosen from unloaded and charged latex polymers. Thus, latex polymers can be, according to several exemplary modalities, chosen from non-ionic latex polymers, cationic latex polymers, and anionic latex polymers.
[0038] As non-limiting examples of latex polymers that can be used, mention can be made, independently, of acrylate latex polymers and polyurethane latex polymers.
[0039] As a non-limiting example only, the at least two latex polymers can be chosen from acrylate latex polymers, such as those resulting from the homopolymerization or copolymerization of monomers chosen from homopolymers or (meth) acrylic copolymers, * ogV + cetkncVqu. * ogt + cetklcokfcu glqw xkpklCo Q Vgtoq ^ (mgt) cerklc ^ g uwcu variations, as used here, means acrylic or methacrylate.
[0040] (meth) acrylic monomers can be chosen from, for example, acrylic acid, methacrylic acid, citraconic acid, itaconic acid, maleic acid, fumaric acid, crotonic acid, and maleic anhydride. Additional non-limiting examples of (meth) acrylic monomers include C1-C8 alkyl (meth) acrylic, such as, for example, methyl (meth) acrylic, ethyl (meth) acrylic, propyl (meth) acrylic, isopropyl (meth) acrylic, butyl (met) acrylic, tert-butyl (met) acrylic, pentyl (met) acrylic, isopentyl (met) acrylic, neopentyl (met) acrylic, hexyl (met) acrylic, iso-hexyl (met) acrylic, 2-ethyl hexyl ( met) acrylic, cyclohexyl (met) acrylic, isohexyl (met) acrylic, hepty (met) acrylic, isohepty (met) acrylic, octy (met) acrylic, isooctyl (met) acrylic, as well as combinations of any of the above.
[0041] The esters of (meth) acrylic monomers can be, by way of non-limiting example, C1-C8 alkyl (meth) acrylates such as methyl (meth) acrylate, (meth) ethyl acrylate, (meth) acrylate propyl, isopropyl (meth) acrylate, (meth) butyl acrylate, (meth) tert-butyl acrylate, (meth) pentyl acrylate, (meth) isopentyl acrylate, (meth) neopentyl acrylate, (meth) acrylate hexyl, isohexyl (meth) acrylate, 2-ethyl hexyl (meth) acrylate, (meth) cyclohexyl acrylate, (meth) isohexyl acrylate, (meth) heptyl acrylate, (meth) isoheptyl acrylate, (meth) octyl acrylate, (meth) isooctyl acrylate, (meth) allyl acrylate and combinations thereof. Additional, non-limiting examples include (meth) C1-C8 alkoxy acrylates, such as (meth) methoxy acrylate, (meth) ethoxy acrylate, (meth) propyl oxide acrylate, (meth) isopropyl oxide acrylate, (meth) butyl oxide acrylate, (meth) tert-butyl oxide acrylate, (meth) pentyl oxide acrylate, (meth) isopentyl oxide acrylate, (meth) neopentyl oxide acrylate. The esters can be, by way of non-limiting example, (meth) acrylates of C2-C6 hydroxy alkyl, such as (hydroxy) ethyl acrylate, (meth) 2-hydroxypropyl acrylate, (meth) glycidyl acrylate, di ( met) ethylene glycol acrylate, polyethylene glycol mono (meth) acrylate, 1,4-butane diol (meth) acrylate, 1,6-hexane diol (meth) acrylate, and any combination thereof. The esters can be, by way of non-limiting example, aryl (meth) acrylates such as benzyl (meth) acrylate, phenyl (meth) acrylate, and any combination thereof. Esters may also contain amino groups such as aminoethyl (meth) acrylate, N, N-dimethylaminoethyl (meth) acrylate, N, N-dimethylaminopropyl (meth) acrylate, N, N-dimethylaminodimethylpropyl (meth) acrylate, (met ) N, N-diethyleaminoethyl acrylate, and N, N, N-trimethylaminoethyl (meth) acrylate; and salts of ethylenic amines.
[0042] According to at least some exemplary embodiments, the alkyl group of the esters can be either fluorinated or perfluorinated, for example some or all of the hydrogen atoms in the alkyl group are replaced by fluorine atoms. The monomers can also be fluorine-containing monomers, such as, by way of non-limiting example, trifluoroethyl methacrylate, 2,2,3,3-tetrafluoropropyl methacrylate, 2,2,3,3,4,4-hexafluorobutyl methacrylate, perfluoroctyl methacrylate and perfluoroctyl acrylate; and silicone macromonomers.
[0043] Amides of (meth) acrylic monomers can, for example, be made of (meth) acrylamides, and especially N-alkyl (meth) acrylamides, in particular (meth) acrylates of N- (C1-C12) alkyl as N-ethyl (meth) acrylamide, Nt-butyl (meth) acrylamide, Nt-octyl (meth) acrylamide, N-methylol (meth) acrylamide and N-diacetone (meth) acrylamide, and any combination thereof.
[0044] Vinyl monomers may include, but are not limited to, vinyl cyanide compounds such as acrylonitrile and methacrylonitrile; vinyl esters such as vinyl format, vinyl acetate, vinyl propionate, vinyl neodecanoate, vinyl pivalate, vinyl benzoate and vinyl t-butyl benzoate, trialyl cyanurate; vinyl halides such as vinyl chloride and vinylidene chloride; aromatic mono- or divinyl compounds such as styrene, -methylstyrene, chloro-styrene, alkylstyrene, divinyl benzene and diallyl phthalate, and a combination thereof. Other non-limiting ionic monomers may include para-styrenesulfonic, vinyl sulfonic, 2- (met) acryloyloxyethylsulfonic acids, 2- (met) acrylamido-2-methylpropylsulfonic acids.
[0045] The list of monomers given is not limitative, and it should be understood that it is possible to use any monomer known to the person skilled in the art that includes acrylic and / or vinyl monomers (including monomers modified with a silicone chain).
[0046] Acrylic silicone polymers can also optionally be used as vinyl polymers, in at least one exemplary and non-limiting modality.
[0047] In at least some exemplary non-limiting modalities, acrylic latex polymers can be chosen from aqueous dispersions of methacrylic acid / acrylate copolymer (INCI: Acrylate copolymer, such as Luviflex® Soft by BASF), PEG / PPG-23 / 6 dimethicone citraconate copolymer / C10-30 PEG-25 alkyl methacrylate / acrylic acid / methacrylic acid / ethyl acrylate / trimethylolpropane triacrylate PEG-15 (INCI: polyacrylate-2 cross polymer, as Fixate Superhold TM by Lubrizol), styrene / acrylic copolymer (such as Neocryl® A-1120, DSM), ethyl hexyl acrylate / butyl methacrylate / butyl acrylate / acrylic acid / methacrylic acid copolymer (INCI: Acrylates copolymer / ethyl hexyl acrylate, such as Daitosol 5000SJ , Daito Kasei Kogyo), Acrylic / acrylates copolymer (INCI name: Acrylates copolymer, such as Daitosol 5000AD, Daito Kasei Kogyo), and acrylic copolymers and acrylate copolymers, as known under the registered names VINYSOL 2140 * Fakfq Ejgokecn +. CEWN [P ™ 55 * Fqy Ejemieal +, NWXKOGT® OAE (BASF), or BALANCE CR (AKZO NOBEL).
[0048] In yet other exemplary and non-limiting modalities, latex polymers can be chosen from polyurethane latex polymers, such as aqueous polyurethane dispersions comprising reaction products (i), (ii), and / or (iii) , defined below.
[0049] The reaction product (i) can be any prepolymer according to the formula:
where R1 is chosen from bivalent radicals of a dihydroxyl functional compound, R2 is chosen from hydrocarbon radicals of an aliphatic or cycloaliphatic polyisocyanate, and R3 is chosen from radicals of a low molecular weight diol, optionally substituted with groups ionic, n in the range of about 0 to about 5, and n is more than about 1.
[0050] Suitable dihydroxyl compounds to give the divalent radical R1 include those having at least two hydroxy groups, and having numerical average molecular weights in the range of about 700 to about 16,000, such as, for example, about 750 to about 5000. Non-limiting examples of high molecular weight compounds include polyester polyols, polyether polyols, polyhydroxy polycarbonates, polyhydroxy polyacetals, polyhydroxy polyacrylates, polyhydroxy polyester amides, polyhydroxy polyalkylene and polyhydroxy polyethers. In various embodiments, polyester polyols, polyether polyols, and polyhydroxy polycarbonates can be chosen. Mixtures of such compounds are also within the scope of the description.
[0051] Polyester diol (s) can optionally be prepared from aliphatic, cycloaliphatic, or aromatic dicarboxylic or polycarboxylic acids, or anhydrides thereof; and dihydric alcohols as diols chosen from aliphatic, alicyclic or aromatic diols.
[0052] Aliphatic dicarboxylic or polycarboxylic acids can be chosen from, for example: succinic, fumaric, glutaric acid, 2,2-dimethylglutaric, adipic, itaconic, pyelic, submerged, azelaic, sebacic, maleic, malonic, 2,2- dimethylmalonic, non-dicarboxylic, decanedicarboxylic, dodecanedioic, 1,3-cyclohexanedicarboxylic, 1,4-cyclohexanedicarboxylic, 2,5-norborane dicarboxylic, diglycolic, thiodipropionic, 2,5-naphthalenedicarboxylic, 2,6-naphthalenedicarboxylic, phthalic terephthalic, isophthalic, oxanic, o-phthalic, tetrahydrophthalic, hexahydrophthalic or trimellitic.
[0053] Acid anhydrides can, in other exemplary modalities, be chosen from o-phthalic, trimellitic or succinic acid anhydrides or a mixture thereof. As a non-limiting example only, the dicarboxylic acid can be adipic acid.
[0054] Dihydric alcohols can be chosen from, for example, ethanediol, ethylene glycol, diethylene glycol, triethylene glycol, trimethylene glycol, tetraethylene glycol, 1,2-propanediol, dipropylene glycol, tripropylene glycol, tetrapropylene glycol, 1, 3-propanediol, 1,4-butanediol, 1,3-butanediol, 2,3-butanediol, 1,5-pentanediol, 1,6-hexanediol, 2,2-dimethyl-1,3-propanediol, 1,4- dihydroxycyclohexane, 1,4-dimethylolcyclohexane, cyclohexanedimethanol, 1,8-octanediol, 1,10-decanediol, 1,12-dodecanediol, neopentyl glycol, and mixtures thereof. The dihydroxyl cycloaliphatic and / or aromatic compounds can also be suitable as dihydric alcohol (s) suitable as dihydric alcohol (s) for the preparation of the polyester polyol (s).
[0055] Polyester diols can also be chosen from homopolymers or copolymers of lactones, which are, in at least certain modalities, obtained by reactions of addition of lactones or okuvwtcu "fg" ncevqpc. "Eqoq" dwvktqncevqpc. "I-caprolactone and / or methyl-i-caprolactone with the appropriate polyfunctional starting molecules, for example difunctional, such as, for example, the dihydric alcohols mentioned above and quqqioqtqu eqttgurqpfgpVgu fg i-caprolactone can be chosen in at least some modalities.
[0056] Polyester polyol, for example polyester diol, radical R1, can be obtained by polycondensation of dicarboxylic acids, such as adipic acid, with polyols, for example diols, such as hexanediol, neopentyl glycol, and mixtures thereof.
[0057] Polycarbonates containing hydroxyl groups include those known to you, such as products obtained by reacting diols, such as (1,3) - propanediol, (1,4) -butanediol and / or (1,6) -hexanediol, diethylene glycol, triethylene glycol, or tetraethylene glycol with diaryl carbonates, for example diphenyl carbonate or phosgene.
[0058] Optional polyether polyols can be obtained in any known way by reacting starting compounds that contain reactive hydrogen atoms with alkylene oxides, such as ethylene oxide; propylene oxide; butylene oxide; styrene oxide; tetrahydrofuran; or epichlorohydrin, or with mixtures of these alkylene oxides. In at least certain embodiments, the polyethers do not contain more than about 10% by weight of ethylene oxide units. For example, polyethers obtained without adding ethylene oxide can be chosen.
[0059] Polyethers modified with vinyl polymers are also suitable according to various modalities of the description. Products of this type can be obtained by polymerization, for example, of styrene and acrylonitrile in the presence of polyethers, for example as described in US Patents 3,383,351; 3. 304, 273; 3,523,095; 3,110,695; and German patent 1,152,536.
[0060] Among the polyethers that can be chosen include condensation products obtained from thiodiglycol per se and / or with other glycols, dicarboxylic acids, formaldehyde, aminocarboxylic acids, and / or amino alcohols. The products obtained are either mixed polythioesters, polythioesters, or polythioesters, depending on the components.
[0061] Optional polyacetals include, but are not limited to compounds that can be prepared from aldehydes, for example formaldehyde, and glycols, such as diethylene glycol, triethylene glycol, 4,4 '- (dihydroxy) diphenyl- ethoxylated dimethylmethane, and (1,6) -hexanediol. Polyacetals usable according to various non-limiting embodiments of the description can also be prepared by polymerization of cyclic acetals.
[0062] Polyhydroxy polyamides and optional polyamines include, for example, mainly linear condensation products obtained from polybasic, saturated or unsaturated carboxylic acids, polybasic acids or anhydrides thereof, and from polyvalent, saturated amino alcohols or unsaturated, from diamines, or from polyamines, as well as mixtures thereof.
[0063] Optional monomers for the production of polyacrylates having hydroxyl functionality comprise, acrylic acid, methacrylic acid, crotonic acid, maleic anhydride, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2- methacrylate hydroxypropyl, 3-hydroxypropyl acrylate, 3-hydroxypropyl methacrylate, glycidyl acrylate, glycidyl methacrylate, 2-isocyanatoethyl acrylate, and 2-isocyanatoethyl methacrylate.
[0064] Mixtures of dihydroxy compounds can also be chosen.
[0065] Optional polyisocyanates to give the radical based on hydrocarbon R2 include, for example, organic diisocyanates having a molecular weight in the range of about 100 to about 1500, such as about 112 to about 1000, or about 140 to about 400.
[0066] The optional diisocyanates are those chosen from the general formula R2 (NCO) 2, where R2 represents a divalent aliphatic hydrocarbon group comprising from about 4 to 18 carbon atoms, a divalent cycloaliphatic hydrocarbon group comprising from about 5 to 15 carbon atoms, a divalent araliphatic hydrocarbon group comprising from about 7 to 15 carbon atoms, or a divalent aromatic hydrocarbon group comprising from about 6 to 15 carbon atoms. Examples of the organic diisocyanates that can be chosen include, but are not limited to, tetramethylene diisocyanate, 1,6-hexamethylene diisocyanate, dodecamethylene diisocyanate, cyclohexane-1,3-di- isocyanate and cyclohexane-1,4-diisocyanate, 1-isocyanate-3-isocyanatomethyl-3,5,5-trimethylcyclohexane (isophorone diisocyanate or IPDI), bis (4-isocyanatocyclohexyl) - methane, 1,3-bis (isocyanatomethyl) cyclohexane and 1,4-bis (isocyanatomethyl) cyclohexane and bis (4-isocyanate-3-methylcyclohexyl) methane. Mixtures of diisocyanates can also be used.
[0067] In at least certain modalities, diisocyanates are chosen from aliphatic and cycloaliphatic diisocyanates. For example, 1,6-hexamethylene diisocyanate, isophorone diisocyanate, and dicyclohexylmethane diisocyanate, as well as mixtures thereof, can be chosen.
[0068] The use of diols, for example low molecular weight diols, R3, can, in at least certain modalities, allow a gptkjgekognVq fc ecfgkc fg rqUogroo C gzrtguu «q“ fk „ku fg dckzq rguq oqngewnct” means diols having a molecular weight in the range of about 50 to about 800, such as about 60 to 700, or about 62 to 200. They can, in various modalities, contain aliphatic, alicyclic or aromatic groups. In some exemplary embodiments, the compounds contain only aliphatic groups. The diols that can be chosen can optionally have up to about 20 carbon atoms, and can be chosen, for example, from ethylene glycol, diethylene glycol, propane-1,2-diol, propane-1,3- diol, butane- 1,4-diol, 1,3-butylene glycol, neopentyl glycol, butylethylpropanediol, cyclohexanediol, 1,4-cyclohexanedimethanol, hexane-1,6-diol, bisphenol A (2,2-bis (4-hydroxyphenyl) propane), hydrogenated bisphenol A (2,2-bis (4-hydroxycyclohexyl) propane), and mixtures thereof. For example, R3 can be derived from neopentyl glycol.
[0069] Optionally, low molecular weight diols may contain ionic or potentially ionic groups. Appropriate low molecular weight diols containing ionic or potentially ionic groups can be chosen from those described in US Patent 3,412,054. In various modalities, compounds can be chosen from dimethylol-butanoic acid (DMBA), dimethylolpropionic acid (DMPA), and caprolactone polyester diol containing carboxyl. If low molecular weight diols containing ionic or potentially ionic groups are chosen, they can, for example, be used in an amount so that less than about 0.30 meq of -COO-H is present per gram of polyurethane in in the polyurethane dispersion. In at least certain exemplary and non-limiting modalities, low molecular weight diols containing ionic or potentially ionic groups are not used.
[0070] The reaction product (ii) can be chosen from at least one chain extender according to the formula: H2N - R4 - NH2 in which R4 is chosen from alkylene or alkylene oxide radicals, said radicals not being replaced with ionic or potentially ionic groups.
[0071] The reaction product (ii) can be optionally chosen from alkylene diamines, such as hydrazine, ethylenediamine, propylene diamine, 1,4-butylene diamine and piperazine; and alkylene oxide diamines such as diethylene glycol dipropylamine (DPA-DEG available from Tomah Produtos, Milton, WI), 2-methyl-1,5-pentanediamine (DuPont's Dytec A), hexanediamine, isophoronadiamine, and 4,4-methylenediamine (cyclohexylamine), and the DPA series of available ether amines from Tomah Products, Milton, WI, including dipropylamine propylene glycol, dipropylamine dipropylene glycol, dipropylamine tripropylene glycol, polypropylene glycol dipropylamine, polyethylene glycol dipropylamine, polypropylene glycol), dipropylamine 1,3-propanediol, dipropylamine 2-methyl-1,3-propanediol, dipropylamine 1,4-butanediol, dipropylamine 1,3-butanediol, dipropylamine 1,6-hexanediol and dipropylamine cyclohexane-1,4 -dimethanol, and mixtures thereof.
[0072] The reaction product (iii) can be chosen from at least one chain extender according to the formula: H2N - R5 - NH2 where R5 is chosen from alkylene radicals substituted with ionic or potentially ionic groups. In at least some exemplary embodiments, the compounds may have an ionic or potentially ionic group and two isocyanate reactive groups.
[0073] As used here, ionic or potentially ionic groups can include groups comprising ternary or quaternary ammonium groups, groups convertible into such groups, carboxyl groups, carboxylate groups, sulfonic acid groups and sulfonate groups. At least partial conversion of the convertible groups to salt groups of the mentioned type can occur before or during mixing with water. Specific compounds include diaminesulfonates, such as, for example, the sodium salt of N- (2-aminoethyl) -2-aminoethanesulfonic acid (AAS) or the sodium salt of N- (2-aminoethyl) -2-aminopropionic acid.
[0074] In at least certain embodiments, R5 represents an alkylene radical substituted with sulfonic acid or sulfonate groups. By way of example only, the compound is chosen from sodium salts of N- (2-aminoethyl) -2-aminoethanesulfonic acid.
[0075] By way of non-limiting example, such latex includes, but is not limited to, aqueous polyurethane dispersions comprising a prepolymer reaction product comprising a dihydroxyl compound, a polyisocyanate, and a diol of low molecular weight and at least two diamine compounds and in which the composition is substantially free of triethanolamine stearate as, for example, sold under the name BAYCUSAN® by Bayer as, for example, BAYCUSAN® C1000 (INCI name: polyurethane- 34), BAYCUSAN® C1001 (INCI name: polyurethane-34), BAYCUSAN® C1003 (INCI name: polyurethane-32), BAYCUSAN® C1004 (INCI name: polyurethane-35) and BAYCUSAN® C1008 (INCI name: polyurethane-48) . In several exemplary embodiments, polyurethane latex can be chosen from, but is not limited to, aqueous polyurethane dispersion of isophthalic acid / adipic acid / hexylene glycol / neopentyl glycol / dimethylolpropanoic acid / isophorone diisocyanate (name INCI: polyurethane-1, such as Luviset® PUR, BASF), aliphatic polyurethane and aliphatic polyurethane polyester (such as the Neorez® series, DSM, such as Neorez® R989, INCI name: polycarbamyl polyglycol ester).
[0076] In at least certain modalities, the at least two latex polymers can be chosen from polyacrylic latex, polyacrylate latex, polystyrene latex, polyester latex, polyamide latex, polyurea latex, polyurethane latex, latex epoxy resin, cellulose-acrylate latex, and their copolymers.
[0077] In various modalities according to the description, at least one of the at least two latex polymers can be chosen from a polymer comprising both the acrylate and polyurethane parts at the molecular level. COMPOSITIONS
[0078] As described herein, exemplary compositions according to the description can comprise at least two latex polymers in which at least one of the latex polymers is a film-forming polymer. In certain embodiments, each of the latex polymers is present in an amount in the range of about 0.05% to about 10% by weight, such as about 0.1% to about 7.5% by weight, as about 0.25% to about 5% by weight, such as about 0.5% to about 2.5% by weight, or about 0.5% to about 1.5% by weight, with respect to the weight of the composition, including all the bands and sub-bands between them. In other embodiments, each of the latex polymers is present in an amount in the range of about 1% to about 15% by weight, like about 1% to about 12% by weight, like about 1.2% to about 12% by weight, such as about 1.5% to about 10% by weight, or as less than about 10% by weight, with respect to the weight of the composition, including all bands and sub-bands between same. In still other embodiments, each of the latex polymers is present in an amount in the range of about 0.1% to about 2% by weight, such as about 0.15% to about 1.9% by weight, or as about 0.18% to about 1.8% by weight, with respect to the weight of the composition, including all bands and sub-bands in between.
[0079] In certain embodiments, latex polymers are present in a combined amount in the range of about 0.1% to about 30% by weight, such as about 0.1% to about 25% by weight, as about 0.2% to about 20% by weight, like about 0.2% to about 15% by weight, like about 0.5% to about 10% by weight, like about 1% to about 8% by weight, such as about 1% to about 5% by weight, as about 1% to about 3% by weight, or as below about 30% by weight, or as about 25% by weight, or as about 20% by weight, with respect to the weight of the composition, including all bands and sub-bands in between. As a non-limiting example, the combined amount of latex polymers can be about 0.1%, about 0.5%, about 1%, about 2%, about 3%, about 4%, about 5%, about 6%, about 7%, about 8%, about 9%, about 10%, about 11%, about 12%, about 13%, about 14%, about 15%, about 16%, about 17%, about 18%, about 19%, about 20%, about 21%, about 22%, about 23%, about 24%, about 25%, about 26%, about 27%, about 28%, about 29%, or about 30%, by weight, with respect to the weight of the composition.
[0080] In still other modalities, the combined amount of latex polymers is in the range up to about 30%, up to about 29%, up to about 28%, up to about 27%, up to about 26 %, up to about 25%, up to about 24%, up to about 23%, up to about 22%, up to about 21%, up to about 20%, up to about 19% , up to about 18%, up to about 17%, up to about 16%, up to about 15%, up to about 14%, up to about 13%, up to about 12%, up to about 11%, up to about 10%, up to about 10%, up to about 9%, up to about 8%, up to about 7%, up to about 6%, up to about 5%, up to about 4%, up to about 3%, up to about 2%, or up to about 1%, each by weight, with respect to the weight of the composition. In at least one exemplary embodiment, the combined amount of latex polymers is less than about 10% by weight, as less than about 5% by weight, with respect to the weight of the composition.
[0081] According to various modalities of the description, the weight ratio of at least two latex polymers, for example polymer A to polymer B, can be in the range of about 10: 1 to about 1:10, like about 9: 1 to about 1: 9, about 8: 1 to about 1: 8, about 7: 1 to about 1: 7, about 6: 1 to about 1: 6, about from 5: 1 to about 1: 5, about 4: 1 to about 1: 4, about 3: 1 to about 1: 3, or about 2: 1 to about 1: 2, including all the tracks and sub-tracks between them. It should be understood that when polymer A and / or polymer B comprises at least one film-forming latex polymer, the weight ratio includes the total amount of polymer A and / or polymer B.
[0082] According to various embodiments of the description, the weight ratio of polymer A to polymer B is about 10: 1, about 9: 1, about 8: 1, about 7: 1, about 6: 1, about 5: 1, 4: 1, about 3: 1, about 2: 1, about 1: 1, about 1: 2, about 1: 3, about 1: 4, about 1: 5, about 1: 6, about 1: 7, about 1: 8, about 1: 9, or about 1:10.
[0083] In at least certain exemplary and non-limiting modalities, when polymer A is chosen from latex polymers having a Young's modulus in the range of about 0.1 MPa to about 10 MPa and a deformation, under tension at 0, 5 MPa, of at least about 1%, and polymer B is chosen from latex polymers having a Young's modulus in the range of about 10 MPa to about 6 GPa and a strain, under tension at 0.5 MPa , of less than about 5%, different weight ratios of polymer A to polymer B can be chosen to correspond to different applications in hair styling. By way of example only, a weight ratio of polymer A to polymer B in the range of about 1:10 to about 1: 1 may, in some embodiments, provide a high level of styling fixation; a weight ratio of polymer A to polymer B in the range of about 5: 1 to about 10: 1 can, in some embodiments, provide a medium to high level of styling fixation; and a weight ratio of polymer A to polymer B in the range of about 3: 1 to about 10: 1 can, in some embodiments, provide a light to medium level of styling fixation.
[0084] In addition to the at least two latex polymers, wherein at least one is a film-forming polymer, the compositions may further comprise at least one solvent. The at least one solvent can be chosen from water, at least one cosmetically acceptable organic solvent, or a mixture of water and at least one cosmetically acceptable organic solvent. Cosmetically acceptable organic solvents can, in various embodiments, be miscible in water, for example a mixture capable of forming at 25 ° C a homogeneous mixture that is transparent, or substantially transparent to the eye. For example, cosmetically acceptable organic solvents can be chosen from lower monoalcohols, such as those containing about 1 to 5 carbon atoms, for example ethanol and isopropanol; polyols, including glycols, such as those containing about 2 to 8 carbon atoms, for example propylene glycol, ethylene glycol, 1,3-butylene glycol, dipropylene glycol, hexylene glycol, and glycerin; hydrocarbons, such as isododecane and mineral oil; and silicones, such as dimethicone, cyclomethicone, and cyclopentassiloxane; as well as mixtures thereof.
[0085] The at least one solvent may be present in an amount in the range up to about 95%, such as from about 1% to about 90%, from about 5% to about 80%, or from about 10 % to about 60% by weight, with respect to the total weight of the composition.
[0086] In at least some exemplary embodiments, the latex polymer particles are not soluble in the composition solvent, and thus remain in particulate form even after solvent evaporation. For example, in embodiments where the composition comprises alcohol as a cosmetically acceptable organic solvent, the latex particles may remain in particulate form upon evaporation of the alcohol, such as once the composition is applied to a substrate.
[0087] Compositions according to various modalities of the description may further comprise additional components that are typically used in compositions for styling hair. Such components are known to those skilled in the art, or are within the ability of those skilled in the art to determine it depending on the particular application, such as, for example, the particular component and / or the amount thereof. Such components include, but are not limited to coalescents, plasticizers and thickeners.
[0088] In various embodiments, the composition described here can have a pH in the range of about 2 to about 9, such as about 3 to about 8, or about 4 to about 7.
[0089] In at least some exemplary embodiments, the compositions are in the form of hair styling compositions, in any form, such as, for example, a gel, a cream, a foam, a lotion, an emulsion, or a liquid that can be sprayed on or otherwise applied to the hair. In various embodiments, the composition may be provided in the form of a gel, foam or spray. In at least certain modalities, the composition can be applied to the hair by first applying it to the hands, and then contacting the hair with the hands; in other modalities, the composition can be applied directly to the hair, as by spraying. The compositions can, in various modalities, be applied to the hair as a treatment without rinsing.
[0090] In various modalities, the application of an external stimulus, such as heat, may be desirable as part of the hair styling process. As an example only, before, during, or after the composition is applied to wet or dry hair, the hair can optionally be further treated with an external stimulus, for example, heat ranging from about 25 ° C to about 250 ° C. In certain modalities, at least, the hair can also be styled or positioned as desired, while exposed to external stimuli, such as when heated or exposed to heat.
[0091] Professional and personal heating tools can be used as a means to provide heat or a high temperature to the hair. Heating tools can generate heat through heating lamps or electric current. Depending on the desired hairstyle, these tools include, but are not limited to, heaters, dryers, styling boards, hot combs, hot curling sets, steam containers, heated curlers, heated eyelash curlers, heated sticks / brushes and hair dryers. cap or combinations thereof.
[0092] As described, the compositions according to the description can impart a film on a substrate, such as on the hair or hand during or after application to the hair. The film formed by the composition can, surprisingly, be clean and non-sticky in appearance, as with traditional hair styling compositions. Also surprisingly, the composition can give a film on the hair leaving it with a relatively natural look of clean, yet with a flexible coating, leaving little or no residue, and the hair becoming light and loose with little or no frizz or flaking, and being able to confer a relatively high definition with individualized curls, control of the hairstyle, volume and brightness, and / or being able to allow a memory of the hairstyle and relatively lasting retention. Furthermore, in at least certain embodiments, according to the description, the compositions are not sticky or sticky. A user of hair compositions, according to the various modalities described here, can thus feel that the composition is not noticeable or is "invisible", and yet effectively styling and / or fixing the hair. In addition, the compositions can have effective hair styling and / or fixing properties, even in conditions of high or relatively high humidity. In at least certain embodiments, according to the description, the compositions can be quick-drying, which can allow the drying and / or styling time to be reduced, as well as improving the ease of styling and retaining the curls.
[0093] In addition, as described, compositions prepared according to various modalities can provide different degrees of fixation to be imparted to a hair styling. As a non-limiting example, in order to obtain a bristly appearance of very short length hair, a high level of fixation may be desirable. Or, as another non-limiting example, in order to obtain a flowing appearance or to maintain the curls for medium or longer length hair, a light to medium level of hairstyle fixation may be desirable. By changing the weight ratio of the first and second polymers, it is possible to formulate compositions having high levels of hairstyle fixation, medium to high levels of hairstyle fixation, average levels of hairstyle fixation, or light to medium levels of hairstyle fixation .
[0094] In certain embodiments, at least one film formed by the compositions described herein can be transparent and / or stable. In such modalities, phase separation and dramatic aggregation are minimized.
[0095] In addition, hair styled or treated with compositions according to the description may, at least in certain exemplary embodiments, be hydrophobic, and / or may appear less frizzy and / or less prone to breakage, compared to submitted hair to the same conditions, but not having been styled or treated with a composition according to the description.
[0096] It should be noted, however, that the compositions and films, as well as the hair to which the composition or film was applied, according to the description, may not have one or more of the properties mentioned here, but still intended to be within the scope of the description.
[0097] Also described herein are methods for styling hair, said methods comprising applying a composition, according to the description, to the hair, either before, during, or after styling the hair. One or more stages of hair treatment with external stimuli, such as heat, before, during, or after the composition has been applied to the hair are also contemplated.
[0098] It should be understood that both the preceding description and the following examples are only exemplary and explanatory, and should not be interpreted as restricting the description. In addition, it should be understood that several aspects and / or characteristics of different modalities described here can be combined with each other. Therefore, it should be understood that numerous modifications can be made to the illustrative modalities and that other provisions can be designed without departing from the scope of the description. Other modalities will be evident to those skilled in the art from the consideration of the description and practice of the several exemplary modalities described here.
[0099] It should also be understood that, as used herein, the terms "a", "one" or "one", mean "at least one", and should not be limited to "only one" unless explicitly stated otherwise . Thus, for example, the use of "a surfactant" is intended to mean, at least, a surfactant.
[00100] Unless otherwise indicated, all numbers used in the report and claims must be understood as being modified in tofqu qu ecuqu rgnq Vgtoq $ egtec fg $. qw p «q cuuko kpfkecfqUo Q Vgtoq“ egtec fg ”eqoq gng oqfkfiec qu púogtqu ug fguVkpc. cswk. c kpfkect woc fkhgtgp> c 10% or less of the specified number, like 9% or less, like 8% or less, like 7% or less, like 6% or less, like 5% or less, like 4% or less , as 3% or less, as 2% or less, or as 1% or less, in several exemplary modalities. So, by way of example crgpcu. go woc oqfcnkfcfg qpfg “egtec fg” kpfkec woc fkhgtgp> c fg 32 'qw ogpqu, c gzrtguu «q“ egtec fg 42' ”ug fguVkpc c gpinqdct woc hckzc fg 18'-44'0g ”Kpfkec woc fkhgtgp> c fg 7 'qw ogpqu. c gzrtguu «q“ egtec fg 42 '”ug fguvkpc c gpinqdct woc hckzc fg 19% -21%. All of these numbers within each specified range are here explicitly intended to be included in the description.
[00101] It should also be understood that the precise numerical values used in the specification and claims form additional modalities of the description, and are intended to include any ranges that may be limited to any two end points described within the ranges and exemplary values provided, as well as the specific end points themselves. Efforts have been made to ensure the accuracy of the numerical values described here. Any numerical value measured, however, can inherently contain some errors resulting from the standard deviation found in the respective measurement technique.
[00102] It should be understood that the compositions according to various modalities of the description form a film when applied to a substrate. However, the various properties of the film described herein are intended to include any film provided by the compositions according to the description, without regard to the fact that the film is fixed or attached to the substrate or not. By way of example only, since the compositions are applied to a substrate and a film is formed, the film can subsequently be removed in order to evaluate properties, such as deformation and Young's modulus. EXAMPLES
[00103] The following examples are not intended to be restrictive and explanatory only, with the scope of the invention being defined by the claims. Procedures A. Procedures for determining the physical properties of films
[00104] Film deposition: The latex film was obtained by leaving a solution of 30 grams of water containing 4 grams of the latex polymer (s) to dry slowly in a 100 mL PFA petri dish (100 mm diameter x 15 mm height) at room temperature for at least 3 days.
[00105] Film measurement: The latex film, with the known dimensions (height, width, thickness), was mounted on a TA Instrument Q800 Dynamic mechanical analysis device, and tested in a DMA control force mode. The stress / strain test was obtained using the following procedure: Preload force: 0.001 N Isothermal: 25 ° C Soak time: 0.5 minutes Force ramp rate: 0.5 N / min at 18 N
[00106] The test ended when the sample broke, a force of 18 N was reached, or a maximum displacement was obtained (25.5 mm).
[00107] From the stress / strain curve, Young's modulus was calculated as the slope of the linear portion at about 0.01% strain to about 1% strain. From the stress / strain curve, the% strain in the stress of 0.5 MPa was also recorded.
[00108] A high Young's modulus demonstrates a hard film, while a smaller Young's modulus represents a more elastic film. A high deformation demonstrates a stretchable, elastic film, while a lower deformation represents a more brittle film. B. Procedure for the determination of mechanical properties of hair treated with latex compositions
[00109] Hair treatment: A strip of plain bleached hair (from IHIP, 1 cm wide, 16 cm long, about 2.0 - 2.5 g of hair) was treated with the latex solution (0.75 solution / g hair). The hair was combed completely until the solution was evenly distributed over the surface of the lock. The treated hair was left to dry overnight at room temperature.
[00110] Hair measurement: Bending measurements at three points were conducted using a texture analyzer (Model TA-XTPlus, Texture Technologies Corporation) equipped with a hair fitting accessory, as described in J. Cosmet. Sci., 53, 345-362 (November / December 2002). The cantilever flexion experiment consisted of the following sequence of steps: the hair lock was placed in 2 points of a width of 6 cm, and the probe, representing the third point, fell in the middle of the hair lock and performed 10 cycles of 10 mm deformations of the hair lock. The test protocol was: Test mode = compression Pre-test speed = 2 mm / s Test speed = 2 mm / s Post-test speed = 2 mm / s Target mode = distance Distance = 10 mm Count = 10 Initiator type = Auto (strength) Initiator force = 1 g
[00111] After finishing 10 flexion cycles, a graph of the force as a function of the distance of 10 strains was generated. From the graph, the maximum force in the first (F1 and tenth (F10) deformation cycles was determined. The change from F1 to F10 was calculated from: (F1-F10) / F1 x 100.
[00112] A high maximum force indicated that the hair was firm and rigid, and a lower maximum force indicated that the hair was softer and more flexible.
[00113] Each experiment was done three times, and the results are reported from the average of the three experiments. C. Procedure for determining the retention of curls in high humidity of hair treated with latex compositions
[00114] Hair treatment: A sample of ordinary bleached hair (from IHIP, 14.5 cm long, about 0.5 g) was treated with a 2% solution of latex polymers (0.5 g solution / g hair). The hair was combed until the solution was evenly distributed over the surface of the hair sample. The treated hair was then wrapped in a spiral rod (0.5 in diameter) and allowed to dry overnight at room temperature.
[00115] Curl retention measurement: The curled hair was removed from the rod and placed in the humidity chamber at 95% RH, 25oC for 24 hours. Curl retention was calculated as: (Lo-Lf) / (Lo-Li) x 100 where Lo = fully extended hair length, Li = initial curled hair length before exposure to moisture, and Lf = hair length end after 24 hour exposure
[00116] Compositions containing latex polymers were evaluated according to the methods described above. The weight of each latex polymer in the following examples is determined on a dry weight basis. Example 1: Combination assessment of acrylate latex - polyurethane latex
[00117] Transparent films were obtained from a combination of DAITOSOL 5000AD (INCI name: Acrylate copolymers, 0.4 MPa Young modulus and strain, under tension at 0.5 MPa, of>150%; polymer A) and NEOREZ® R989 (INCI name: polycarbamyl polyglycol ester, Young modulus of 654 MPa and strain, under tension at 0.5 MPa, of 0.07%; polymer B) in various ratios of latex polymer. Their physical properties are shown in Table 1. TABLE 1


[00118] These results show that by varying the ratio of the two latex polymers, it is possible to control hardness (not as hard as polymer A and not as soft as polymer B) and flexibility (not as brittle as polymer A and neither as stretchable as polymer B) of films produced according to various embodiments of the description. Example 2: Evaluation of polyurethane latex - acrylate latex combination
[00119] Transparent films were obtained from the combination of BAYCUSAN® C1001 (INCI name: polyurethane-34, Young's modulus of 3 MPa and strain, under tension at 0.5 MPa, of 18.82%; polymer A) and LUVIFLEX® SOFT (INCI name: acrylate copolymer, 2758 MPa Young modulus and strain, under tension at 0.5 MPa, <0.01%; polymer B) in various ratios of latex polymer. Their physical properties are shown in Table 2 below. TABLE 2

[00120] These results show that by varying the ratio of the two latex polymers, it is possible to control hardness (not as hard as polymer A and not as soft as polymer B) and flexibility (not as brittle as polymer A and neither as stretchable as polymer B) of films produced according to various embodiments of the description. Example 3: Evaluation of polyurethane latex
[00121] Transparent films were obtained from a combination of BAYCUSAN® C1001 (polymer A) and NEOREZ® R989 (polymer B) in various ratios of latex polymer. Their physical properties are shown in Table 3 below. TABLE 3

[00122] These results show that by varying the ratio of the two latex polymers, it is possible to control hardness (not as hard as polymer A and not as soft as polymer B) and flexibility (neither as brittle as polymer A and not as stretchable as polymer B) of films produced according to various embodiments of the description. Example 4: Evaluation of latex acrylates
[00123] Transparent films were obtained from a combination of DAITOSOL 5000AD (polymer A) and FIXATE SUPERHOLDTM (INCI name: crossed polymer polyacrylate-2, Young modulus of 1151 MPa and deformation, under tension at 0.5 MPa, from 0 , 01%; polymer B) in various ratios of latex polymer. Their physical properties are shown in Table 4A below. TABLE 4A


[00124] Transparent films were obtained from the association of VINYSOL 2140 (acrylic copolymer, Young's modulus of 2 MPa and strain, under tension at 0.5 MPa, of>200%; polymer A) and ACULYN 33TM (INCI name: Copolymer of acrylates, Young's modulus of 2096 MPa and deformation, under tension at 0.5 MPa, of 0.01%; polymer B) in various ratios of latex polymer. Their physical properties are shown in Table 4B. TABLE 4B

[00125] The results in Tables 4A and 4B show that, by varying the ratio of the two latex polymers, it is possible to control hardness (not as hard as polymer A and not as soft as polymer B) and flexibility (not as brittle as polymer A and not as stretchable as polymer B) of films produced according to various modalities of the description. Example 5: Evaluation of hair treated with a combination of acrylate latex - polyurethane latex
[00126] Hair locks were treated with 2% solutions of DAITOSOL 5000AD (polymer A) and NEOREZ® R989 (polymer B) in various ratios of latex polymer. Their mechanical properties are shown in Table 5 below. TABLE 5
* Main ingredients: VP / VA copolymer, polyquaternium-11, PEG 90 M, PEG-40 hydrogenated castor oil, cross-polymer acrylates / C10-30 alkyl acrylate, denatured alcohol.
[00127] These results show that hair strands treated with various reasons of the two latex polymers exhibit a wide variety of stiffness, flexibility, firmness and softness. Compared to a commercial product (latex free), they show significantly better styling durability due to less change in maximum strength after 10 deformation cycles. Example 6: Evaluation of hair treated with a combination of polyurethane latex - acrylate latex
[00128] Hair locks were treated with 2% solutions of BAYCUSAN® C1001 (polymer A) and LUVIFLEX® SOFT (polymer B) in various ratios of latex polymer. Their mechanical properties are shown in Table 6 below. TABLE 6
* Main ingredients: VP / VA copolymer, polyquaternium-11, PEG 90 M, PEG-40 hydrogenated castor oil, cross-polymer acrylates / C10-30 alkyl acrylate, denatured alcohol.
[00129] These results show that hair strands treated with various reasons of the two latex polymers exhibit a wide variety of stiffness, flexibility, firmness and softness. Compared to a commercial product (latex free), they show significantly better styling durability due to less change in maximum strength after 10 deformation cycles. Example 7: Evaluation of hair treated with polyurethane latex
[00130] Hair locks were treated with 2% solutions of BAYCUSAN® C1001 (polymer A) and NEOREZ® R989 (polymer B) in various ratios of latex polymer. Its mechanical property is shown in Table 7 below. TABLE 7
* Main ingredients: VP / VA copolymer, polyquaternium-11, PEG 90 M, PEG-40 hydrogenated castor oil, cross-polymer acrylates / C10-30 alkyl acrylate, denatured alcohol. Example 8: Evaluation of hair treated with acrylate latex
[00131] Hair locks were treated with 2% solutions of DAITOSOL 5000AD (polymer A) and FIXATE SUPERHOLDTM (polymer B) and in various ratios of latex polymer. Their mechanical properties are shown in Table 8A below. TABLE 8A

[00132] Hair locks were treated with 2% solutions of VINYSOL 2140 (polymer A) and ACULYN 33TM (polymer B) in various ratios of latex polymer. Its mechanical properties are shown in Table 8B below. TABLE 8B
* Main ingredients: VP / VA copolymer, polyquaternium-11, PEG 90 M, PEG-40 hydrogenated castor oil, cross-polymer acrylates / C10-30 alkyl acrylate, denatured alcohol.
[00133] The results in Tables 8A and 8B show that hair strands treated with various reasons of the two latex polymers exhibit a wide variety of stiffness, flexibility, firmness and softness. Compared to a commercial product (latex free), they show significantly better styling durability due to less change in maximum strength after 10 deformation cycles. Example 9: Evaluation of retention of curls with high humidity of hair treated with combination of acrylate latex - polyurethane latex
[00134] Hair samples were treated with 2% solutions of DAITOSOL 5000AD (polymer A) and NEOREZ® R989 (polymer B) in various ratios of latex polymer. The results of retaining bunches with TABLE 9

[00135] These results show that the addition of the second l • tex improves the retention of the curls, compared to the individual latex. Example 10: Evaluation of retention of curls with high humidity of hair treated with a combination of polyurethane latex - acrylate latex
[00136] Hair samples were treated with 2% solutions of BAYCUSAN® C1001 (polymer A) and LUVIFLEX® SOFT (polymer B) in various ratios of latex polymer. The retention results of bunches with high humidity are shown in Table 10A below. TABLE 10A

[00137] Hair samples were treated with 2% solutions of BAYCUSAN® C1001 (polymer A) and ACULYN 55 ™ * rqtfogtq D + go various ratios of latex polymer. The results of curl retention are shown in Table 10B below. TABLE 10B

[00138] Hair samples were treated with 2% solutions of BAYCUSAN® C1001 (polymer A) and LUVIMER® MAE (INCI name: acrylates copolymer, 385 MPa Young modulus and strain, under tension at 0.5 MPa, <1%; polymer B) and in various ratios of latex polymer. The results of curl retention are shown in Table 10C below. TABLE 10C

[00139] The results seen in Tables 10A, 10B, and 10C show that the addition of the second latex improves the retention of the curls, compared to the individual latex. Example 11: Evaluation of retention of curls with high humidity of hair treated with polyurethane latex
[00140] Hair samples were treated with 2% solutions of BAYCUSAN® C1001 (polymer A) and NEOREZ® R989 (polymer B) in various latex polymer ratios. The retention results for bunches with high humidity are shown in Table 11 below. TABLE 11
Example 12: Evaluation of retention of curls with high humidity of hair treated with acrylate latex
[00141] Hair samples were treated with 2% solutions of DAITOSOL 5000AD (polymer A) and HKZCVG UWRGTJQNF ™ (polymer B) in various latex polymer ratios. The retention results for bunches with high humidity are shown in Table 12A below. TABLE 12A

[00142] Hair samples were treated with 2% solutions of VINYSOL 2140 (polymer A) and ACULYN 55 ™ (polymer D + go xátkcu ratios of latex polymer. The results of retaining the curls with high humidity are shown in Table 12B below TABLE 12B

[00143] The results in Tables 12A and 12B show that the addition of the second latex improves the retention of the curls, compared to the individual latex. Example 13: Evaluation of the effects of concentration on performance on treated hair
[00144] Ordinary bleached hair was treated with 1: 1 ratio solutions of LUVIFLEX® SOFT and BAYCUSAN® C1001 in various concentrations of latex polymer. The three-point flexion test and the curl retention test with high humidity were performed as described above. The results are shown in Table 13A below. TABLE 13A
* Main ingredients: water, cross-polymer acrylates / stearet-20 methacrylate, polyquaternium-69, PVP, sorbitol and denatured alcohol.
[00145] Ordinary bleached hair was treated with NEOREZÆ R989 and BAYCUSANÆ C1001 1: 1 ratio solutions in various l • tex polymer concentrations. The flexion test in three points and the retention test of curls with high humidity were performed as described above. The results are shown in Table 13B below. TABLE 13B
* Main ingredients: VP / VA copolymer, polyquaternium-11, PEG 90 M, PEG-40 hydrogenated castor oil, cross-polymer acrylates / C10-30 alkyl acrylate, • denatured alcohol. ** Main ingredients: • water, crossed polymer acrylates / stearet-20 methacrylate, polyquaternium-69, PVP, sorbitol and • denatured alcohol.
[00146] Ordinary bleached hair was treated with HKZCVG UWRGTJQNF ™ G DAITOSOL 5000AD 1: 1 ratio solutions in various concentrations of latex polymer. The three-point flexion test and the curl retention test with high humidity were performed as described above. The results are shown in Table 13C below. TABLE 13C
* Main ingredients: VP / VA copolymer, polyquaternium-11, PEG 90 M, PEG-40 hydrogenated castor oil, cross-polymer acrylates / C10-30 alkyl acrylate, • denatured alcohol. ** Main ingredients: • water, cross-polymer acrylates / estearet-20 methacrylate,
[00147] The results in Tables 13A, 13B, and 13C demonstrate that as the concentration of the l • tex increases, the hardness of the stylized hair increases, as well as an increase in curl retention. It should be noted that while having a wide range of retention, stylized hair shows significantly better moisture and hydrophobicity resistance compared to those treated with commercial products (without l • tex). Example 14: Evaluation of neutralized l • tex polymer versus non-neutralized l • tex polymer
[00148] Combinations of aqueous dispersions comprising 100% neutralized l • tex polymers with an amine (Aminomethyl polyquaternium-69, PVP, sorbitol and denatured alcohol. Propanol, AMP) are compared with aqueous dispersions comprising non-neutralized latex polymers. TABLE 14A

[00149] Hair of a male mannequin was wet with water. Next, 1 gram of test composition A was applied to one side of the hair, and evenly distributed as a hair spray product with just your hands. One gram of control composition A, which has been neutralized, was applied to the other side. The product was allowed to dry on the hair in ambient conditions.
[00150] The same procedure was followed with test composition B and control composition B.
[00151] It was observed that, during the application of control compositions A and B, the products formed foam / cream on the hair, had higher viscosity and a very sticky and heavy feeling on the hair and hands. However, test compositions A and B were applied to the hair in a very clean, invisible manner, without any adhesion or stickiness on the hair or hands.
[00152] In addition, retention of the bunches at 90% relative humidity was performed and showed that, after 24 hours, both control samples (with AMP) elongated more (retain the bunches less) than the respective test samples ( without AMP). The results are shown in Table 14B. TABLE 14B

[00153] This evaluation demonstrated that compositions comprising neutralized latex resulted in products that showed less desirable application and styling effectiveness properties, for example, weaker average retention of the curls, compared to compositions comprising the non-neutralized form.

权利要求:
Claims (20)
[0001]
1. Composition for hair styling, characterized by the fact that it comprises at least two latex polymers, in which the composition comprises at least one polymer of latex A and at least one polymer of latex B chosen from: (a) polymer A , having a Young's modulus in the range of 0.1 MPa to 10 MPa, and a stress strain, at 0.5 MPa, of at least 1%; and (b) polymer B, having a Young's modulus in the range of 10 MPa to 6 GPa, and a stress strain at 0.5 MPa, of less than 5%; wherein at least one latex polymer is a film-forming polymer; wherein the at least two latex polymers are independently chosen from acrylate latex polymers and polyurethane latex polymers; wherein the at least two latex polymers are, independently or together, particles dispersed in an aqueous dispersion medium; wherein the at least two latex polymers are present in a combined amount in the range of 0.1% to 9% by weight, with respect to the weight of the composition; wherein the at least two latex polymers are present in the composition in a weight ratio in the range of 10: 1 to 1:10; and in which said composition produces a film having a Young's modulus in the range of 0.05 MPa to 5 GPa, and a strain under tension, at 0.5 MPa, which is in the range up to 300%, each Young's modulus and deformation being measured on a latex film obtained by leaving a solution of 30 grams of water containing 4 grams of the latex polymer (s) to dry slowly in a 100 mL PFA petri dish (100 mm diameter x 15 mm height) in room temperature for at least 3 days; and with the proviso that said composition is different from an aerosol.
[0002]
2. Hair styling composition according to claim 1, characterized by the fact that at least two latex polymers are present in a combined amount in the range of 0.2% to 5% by weight, with respect to weight of the composition.
[0003]
3. Hair styling composition according to claim 1, characterized by the fact that at least two latex polymers are present in a combined amount in the range of 0.5% to 5% by weight, with respect to weight of the composition.
[0004]
4. Hair styling composition according to claim 1, characterized by the fact that at least two latex polymers are present in a combined amount in the range of 1% to 3% by weight, with respect to the weight of the composition.
[0005]
5. Hair styling composition according to claim 1, characterized by the fact that each of at least two latex polymers is present in individual amounts in the range of 0.1% to 7.5% by weight, with respect to the weight of the composition.
[0006]
6. Hair styling composition according to claim 1, characterized by the fact that each of at least two latex polymers is present in individual amounts in the range of 0.25% to 5% by weight, with respect to the weight of the composition.
[0007]
7. Hair styling composition according to claim 1, characterized in that the at least two latex polymers are present in the composition in a weight ratio of 1: 5 to 5: 1.
[0008]
8. Hair styling composition according to claim 1, characterized in that the at least two latex polymers are present in the composition in a weight ratio of 1: 3 to 3: 1.
[0009]
Composition for styling hair according to claim 1, characterized in that the at least two latex polymers are present in the composition in a weight ratio of 1: 2 to 2: 1.
[0010]
10. Hair styling composition according to claim 1, characterized in that the at least two latex polymers are present in the composition in a 1: 1 weight ratio.
[0011]
11. Hair styling composition according to claim 1, characterized by the fact that the film has a Young's modulus in the range of 80 MPa at 5 GPa and a strain under tension, at 0.5 MPa, in the range of 0 , 01% less than 1%.
[0012]
Composition for styling hair according to claim 11, characterized in that the weight ratio of polymer A to polymer B is 1:10 to 1: 1.
[0013]
13. Hair styling composition according to claim 1, characterized by the fact that the film has a Young's modulus in the range of 5 MPa to 100 MPa and a strain under tension, at 0.5 MPa, in the range of 0 , 5% less than 20%.
[0014]
Composition for styling hair according to claim 13, characterized in that the weight ratio of polymer A to polymer B is 3: 1 to 10: 1.
[0015]
15. Hair styling composition according to claim 1, characterized by the fact that the film has a Young's modulus in the range of 0.05 MPa to 5 MPa and a strain under tension, at 0.5 MPa, in the range from 10% to 300%.
[0016]
16. Hair styling composition according to claim 18, characterized in that the weight ratio of polymer A to polymer B is 5: 1 to 10: 1.
[0017]
17. Hair styling composition according to claim 1, characterized in that it still comprises at least one solvent.
[0018]
18. Hair styling composition according to claim 17, characterized in that the at least two latex polymers are comprised in an aqueous dispersion.
[0019]
19. Method for styling hair, said method characterized by the fact that it comprises applying a composition comprising at least two latex polymers to the hair, wherein the composition comprises at least one latex polymer and at least one latex polymer. latex B chosen from: (a) polymer A, having a Young's modulus in the range of 0.1 MPa to 10 MPa, and a strain under tension, at 0.5 MPa, of at least 1%; and (b) polymer B, having a Young's modulus in the range of 10 MPa to 6 GPa, and a strain under stress, at 0.5 MPa, of less than 5%; wherein at least one latex polymer is a film-forming polymer; wherein the at least two latex polymers are independently chosen from acrylate latex polymers and polyurethane latex polymers; wherein the at least two latex polymers are, independently or together, particles dispersed in an aqueous dispersion medium; wherein the at least two latex polymers are present in a combined amount in the range of 0.1% to 9% by weight, with respect to the weight of the composition; wherein the at least two latex polymers are present in the composition in a weight ratio in the range of 10: 1 to 1:10; and in which said composition produces a film having a Young's modulus in the range of 0.05 MPa to 5 GPa, and a strain under tension, at 0.5 MPa, which is in the range up to 300%, each Young's modulus and deformation being measured on a latex film obtained by leaving a solution of 30 grams of water containing 4 grams of the latex polymer (s) to dry slowly in a 100 mL PFA petri dish (100 mm diameter x 15 mm height) in room temperature for at least 3 days; and with the proviso that said composition is different from an aerosol.
[0020]
20. Method according to claim 19, characterized in that it also comprises a step of treating the hair with heat at a temperature in the range of 25 ° C to 250 ° C before, during, or after the application of said composition.

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法律状态:
2018-02-27| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-07-30| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2020-04-14| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|

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2020-08-18| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2020-12-01| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/06/2014, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US13/931,187|2013-06-28|

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US13/931,187|US9884004B2|2013-06-28|2013-06-28|Compositions and methods for treating hair|

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PCT/US2014/044036|WO2014210117A1|2013-06-28|2014-06-25|Compositions and methods for treating hair|

---