Method of using a quaternary ammonium compound, a cationic polysaccharide and a non-ionic polysaccha

专利摘要:
METHOD OF USING A QUATERNARY AMMONIA COMPOUND, A CATIONIC POLYSACCHARIDE AND A NON-IONIC POLYSACCHARIDE. The present invention relates to a method of enhancing the fragrance or perfume longevity of a composition by adding to the composition (a) a quaternary ammonium compound; (b) a cationic polysaccharide; (c) a non-ionic polysaccharide; and (d) a fragrance or perfume material. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has improved perfume longevity.
公开号:BR112016029040B1
申请号:R112016029040-2
申请日:2015-01-15
公开日:2022-02-01
发明作者:Hai Zhou Zhang；Nikolay Christov；Da Wei Jin
申请人:Rhodia Operations；
IPC主号:

专利说明:

Description
[001] This order claims priority to European order no. 14173003.1 filed June 18, 2014, the entire contents of that application are incorporated herein by reference for all purposes. Technical Field
[002] The present invention relates to a method of using a composition, in particular a fabric conditioning composition, which comprises at least a quaternary ammonium compound, a cationic polysaccharide, a non-ionic polysaccharide and a fragrance material or perfume. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. Prior Art
[003] The following discussion of the prior art is provided to place the invention in the appropriate technical context and enable the advantages thereof to be more fully understood. It should be appreciated, however, that any discussion of the prior art throughout this application should not be taken as a manifestation or implied admission that such prior art is widely known or forms part of common general knowledge in the art.
[004] Fabric conditioning compositions can be added in the rinse cycle of the washing process to soften fabrics and impart a pleasant smell to them. Conventionally, tissue conditioning systems are based on quaternary ammonium compounds, also called quats, notably centrimonium chloride, behentrimonium chloride, N,N-bis(stearoyl-oxy-ethyl)N,N-dimethyl ammonium chloride, N,N-bis(tallowyl-oxy-ethyl)N,N-dimethyl ammonia, N,N-bis(stearoyl-oxy-ethyl)N-(2-hydroxyethyl)N-dimethyl ammonia methylsulfate or 1,2 chloride -di(stearoyl-oxy)-3-trimethyl ammoniumpropane.
[005] However, quats are known to be difficult to bio-degrade and therefore exhibit eco-toxicity. There is a general trend in the industry to switch to other conditioning systems. One option is to use quat esters that provide better biodegradability and less ecotoxicity. However, a problem associated with quat esters is that the stability of such compounds is not satisfactory, particularly when quat esters are present at high levels in the fabric softening composition, which can be attributed to their biodegradable nature. Therefore, there is a need to provide a composition that provides good stability and excellent softening performance.
[006] On the other hand, fragrance or perfume materials are generally incorporated into fabric conditioning compositions to provide a pleasant odor to washed fabrics. One problem is that once absorbed onto the desired surface, for example fabrics, fragrance materials or perfumes tend to dissipate very quickly. Therefore, there is also a need to provide a composition in which fragrance materials or incorporated perfumes can have a long lasting odor and the odor can be slowly emitted from the substrate (such as fabric). This property is often described as the substantivity, tenacity, or longevity of the fragrance material or perfume.
[007] The art teaches that the addition of cationic polymers to fabric conditioning compositions has a variety of benefits. US Patent No. 6,492,322, Megan et al., describes fabric softening compositions that comprise biodegradable diester softening compounds and cationic polymers that include polysaccharides such as gum, starches, and certain synthetic cationic polymers.
[008] There is a need to provide a composition that has excellent softening performance and also improved perfume longevity. Summary of the Invention
[009] It has now been found that the above objects can be achieved by providing a composition according to the invention.
[0010] In a first aspect of the invention, there is provided a method of enhancing the fragrance or perfume longevity of a composition by adding to the composition (a) a quaternary ammonium compound; (b) a cationic polysaccharide; (c) a nonionic polysaccharide; and (d) a fragrance or perfume material.
[0011] In one embodiment, the cationic polysaccharide is a cationic guar.
[0012] In another embodiment, the polysaccharide is a cationic guar and the non-ionic polysaccharide is a non-ionic guar.
[0013] In yet another embodiment, the cationic polysaccharide has an average molecular weight between 100,000 daltons and 1,500,000 daltons.
[0014] In yet another embodiment, the quaternary ammonium compound has the general formula (I): [N+(R1)(R2)(R3)(R4)]yX-(I)
[0015] wherein: R1, R2, R3 and R4, which may be the same or different, is a C1-C30 hydrocarbon group optionally containing a heteroatom or an ester or an amide group;
[0016] X is an anion;
[0017] y is the valence of X.
[0018] In yet another embodiment, the quaternary ammonium compound has the general formula (II): [N+(R5)2(R6)(R7)]yX-(II)
[0019] where :
[0020] R5 is a C16-22 aliphatic group;
[0021] R6 is a C1-C3 alkyl group;
[0022] R7 is R5 or R6;
[0023] X is an anion;
[0024] y is the valence of X.
[0025] In yet another embodiment, the quaternary ammonium compound has the general formula (III): [N+((CH2)n-T-R8)2(R8)(R9)]yX-(III)
[0026] where :
[0027] R9 group is independently selected from C1-C4 alkyl or a hydroxyalkyl group;
[0028] R8 group is independently selected from C1C30 alkyl or an alkenyl group;
[0029] T is -C(=O)-O-;
[0030] n is an integer from 0 to 5;
[0031] X is an anion;
[0032] y is the valence of X.
[0033] In yet another embodiment, the quaternary ammonium compound has the general formula (IV): [N+(C2H4-OOCR10)2(CH3)(C2H4-OH)](CH3)zSO4-(IV)
[0034] wherein R10 is a C12-C20 alkyl group;
[0035] z is an integer from 1 to 3.
[0036] In yet another embodiment, the quaternary ammonium compound is chosen from the group consisting of:
[0037] TET: tallow di(carboxymethyl)hydroxyethyl methyl ammonia methyl sulfate;
[0038] TEO: oil di(carboxyethyl)hydroxyethyl methyl ammonium methyl sulfate;
[0039] TES: distearyl hydroxyethyl methyl ammonia methyl sulfate;
[0040] TEHT: hydrogenated tallow di(carboxyethyl)hydroxyethyl methyl ammonium methyl sulfate;
[0041] TEP: di(palmiticcarboxyethyl)hydroxyethyl methyl ammonia methylsulfate;
[0042] DEEDMAC: dimethylbis[2[(1-oxooctadecyl)oxy]ethyl]ammonium chloride;
[0043] and
[0044] DHT: dihydrogenated tallow dimethylammonium chloride.
[0045] In yet another embodiment, the composition comprises between 0.01 to 10% by weight of the fragrance or perfume material based on the total weight of the composition.
[0046] In yet another embodiment, the composition comprises between 0.1 to 5% by weight of the fragrance or perfume material based on the total weight of the composition.
[0047] In yet another embodiment, the weight ratio of the quaternary ammonium compound in the composition and the total weight of the cationic polysaccharide and the non-ionic polysaccharide in the composition is between 100:1 and 2:1.
[0048] In yet another embodiment, the weight ratio of the quaternary ammonium compound in the composition and the total weight of the cationic polysaccharide and the non-ionic polysaccharide in the composition is between 30:1 and 5:1.
[0049] In yet another embodiment, the composition additionally comprises an inorganic salt.
[0050] In yet another embodiment, the composition is a tissue conditioning composition.
[0051] Other advantages and more specific properties of the method and composition according to the present invention will become clear after reading the description of the invention below. Detailed Description
[0052] In a first aspect of the invention, there is provided a method for enhancing the fragrance or perfume longevity of a composition by adding to the composition (a) a quaternary ammonium compound; (b) a cationic polysaccharide; (c) a nonionic polysaccharide; and (d) a fragrance or perfume material.
[0053] It has been found that the aforementioned composition containing the fragrance or perfume material exhibits improved fragrance/perfume performance compared to conventional compositions. Without wishing to be bound by theory, it is considered that these beneficial effects can be attributed to the synergistic effect of the cationic polysaccharide, non-ionic polysaccharide and the quaternary ammonium compound, which enhances the deposition of fragrance or perfume material on a particular substrate. , on a fabric, gradually prolonging the release of the fragrance or perfume material, intensifying the longevity of the fragrance or perfume (substantivity). As a result, the odor of the fragrance or perfume material can linger for an extended period of time on the substrate, in particular the fabric, after the rinsing and drying steps (line or machine drying).
[0054] It has also been found that, in accordance with the present invention, some proportion of the quaternary ammonium compound in the composition may be reduced by substitution with the cationic polysaccharide and the non-ionic polysaccharide with no negative effect on the softening performance of the composition. . Without wishing to be bound by theory, it is considered that the combination of the quaternary ammonium compound. Cationic polysaccharide and non-ionic polysaccharide can provide a synergistic effect in enhancing softener performance.
[0055] Throughout the description, including the claims, the expression "comprising one" or "comprising one" shall be considered to be synonymous with the expression "comprising at least one" unless otherwise specified and "between" shall be understood as being inclusive of boundaries.
[0056] In the context of this invention, "fabric care agent" is understood to mean both washing and cleaning agents and pre-treatment agents, as well as fabric conditioning agents such as agents for washing delicate fabrics and post-treatment agents such as conditioners.
[0057] In the context of this invention, the expression "fabric conditioning" is used herein in the broadest sense to include any conditioning benefits of textiles, materials, yarns and fabrics. One such conditioning benefit is fabric softening. Other non-limiting benefits of conditioning include fabric lubrication, fabric relaxation, durability, wrinkle resistance, wrinkle reduction, ironing ease, abrasion resistance, fabric softening, anti-felling, anti-pilling, brittleness, improved appearance, appearance rejuvenation, color protection, color rejuvenation, anti-shrinkage, in-use shape retention, fabric elasticity, fabric tension resistance, fabric tear resistance, static reduction, absorbency or water repellency water, stain repellence, odor resistance, antimicrobial action, refreshing; perfume freshness, perfume longevity and their blends.
[0058] "Alkyl", as used herein, means a saturated, aliphatic, straight or branched chain hydrocarbon group. "Alkenyl", as used herein, refers to an aliphatic group that contains at least one double bond and is intended to include both "unsubstituted alkenyls" and "substituted alkenyls", the latter of which refer to portions of alkenyl that have substituents that replace a hydrogen on one or more carbon atoms of the alkenyl group.
[0059] The term "cationic polymer" as used herein refers to any polymer that has a cationic charge.
[0060] The term "quaternary ammonium compound" as used herein means a compound that contains at least one quaternized nitrogen, in which case the nitrogen atom is coupled to four organic groups. The quaternary ammonium compound may comprise one or more quaternized nitrogen atoms.
[0061] The term "cationic polysaccharide" as used herein means a polysaccharide or a derivative thereof which has been chemically modified to provide a polysaccharide or derivative thereof with a net positive charge in an aqueous medium at neutral pH. The cationic polysaccharide may also include those which are not permanently charged, for example a derivative which may be cationic below a given pH and neutral above that pH. Unmodified polysaccharides such as starch, cellulose, pectin, carrageenan, guars, xanthans, destrans, curdlans, chitosan, chitin and the like can be chemically modified to impart cationic charges thereto. A common chemical modification incorporates quaternary ammonium substituents into the polysaccharide scaffolds. Other suitable cationic substituents include primary, secondary and tertiary amino groups or quaternary sulfonic or phosphinium groups. Additional chemical modifications may include crosslinking, stabilization reactions (such as alkylation and esterification), phosphorylations, hydrolysis.
[0062] The term "non-ionic polysaccharide" as used herein means a polysaccharide or a derivative thereof that has been chemically modified to provide a polysaccharide or derivative thereof with a neutral positive charge in an aqueous medium at neutral pH; or an unmodified polysaccharide.
[0063] Preferably, the quaternary ammonium compound is not a silicone-containing quaternary ammonium compound, i.e., the quaternary ammonium compound does not contain any siloxane bonds (-Si-O-Si-) or silicon-carbon bonds .
[0064] In one embodiment, the quaternary ammonium compound is water dispersible.
[0065] In one embodiment, the quaternary ammonium compound of the present invention is a compound of the general formula (I):[N+(R1)(R2)(R3)(R4)]yX-(I)
[0066] where:
[0067] R1, R2, R3 and R4, which may be the same or different, is a C1-C30 hydrocarbon group typically an alkyl, hydroxyalkyl or ethoxylated alkyl group, optionally containing a heteroatom or an ester or an amide group;
[0068] X is an anion, for example a halide, such as Cl or Br, sulfate, alkyl sulfate, nitrate or acetate;
[0069] y is the valence of X.
[0070] In one embodiment, the quaternary ammonium compound is an alkyl quat, such as a dialkyl quat, or an ester quat such as a dialkyl ester quat.
[0071] The dialkyl quat may be a compound of the general formula (II): [N+(R5)2(R6)(R7)]yX-(II)
[0072] where :
[0073] R5 is a C16-22 aliphatic group;
[0074] R6 is a C1-C3 alkyl group;
[0075] R7 is R5 or R6;
[0076] X is an anion, for example a halide, such as Cl or Br, sulfate, alkyl sulfate, nitrate or acetate;
[0077] y is the valence of X.
[0078] The dialkyl quat is preferably di(hardened tallow) dimethyl ammonium chloride.
[0079] In one embodiment, the quaternary ammonium compound of the present invention is a compound of the general formula (III):[N+((CH2)n-T-R8)2(R8)(R9)]yX-(III)
[0080] where :
[0081] R9 group is independently selected from C1-C4 alkyl or a hydroxyalkyl group;
[0082] R8 group is independently selected from C1-C30 alkyl or an alkenyl group;
[0083] T is -C(=O)-O-;
[0084] n is an integer from 0 to 5;
[0085] X is an anion, for example a chloride, bromide, nitrate or methosulfate ion;
[0086] y is the valence of X.
[0087] In one embodiment, the quaternary ammonium compound comprises two C12-28 groups or alkenyl groups connected to the nitrogen head group, more preferably through at least one ester bond. In another embodiment, the quaternary ammonium compound has two ester bonds present.
[0088] Preferably, the average chain length of the alkyl or alkenyl group is at least C14, more preferably at least C16. Even more preferably, at least half of the chains have a C18 extension.
[0089] In one embodiment, the alkyl or alkenyl chains are predominantly linear, although a degree of branching, especially mid-chain branching, is within the scope of the invention.
[0090] In one embodiment, the quaternary ammonium ester compound is a triethanolamine-based quaternary ammonia with the general formula (IV):[N+(C2H4-OOCR10)2(CH3)(C2H4-OH)](CH3)zSO4 - (IV)
[0091] wherein R10 is a C12-C20 alkyl group;
[0092] z is an integer from 1 to 3.
[0093] The quaternary ammonium compound of the present invention may also be a mixture of various quaternary ammonium compounds, notably, for example, a mixture of mono, di and triester components or a mixture of mono and diester components, wherein, for example, the amount of quaternary diester is between 30 and 99% by weight based on the total amount of the quaternary ammonium compound.
[0094] Preferably, the quaternary ammonium compound is a mixture of mono, di and triester components, wherein:
[0095] - the amount of quaternary diester is comprised between 30 to 70% by weight based on the total amount of the quaternary ammonium compound, preferably between 40 and 60% by weight,
[0096] - the amount of quaternary monoester is between 10 and 60% by weight based on the total amount of the quaternary ammonium compound, preferably between 20 and 50% by weight,
[0097] - the amount of quaternary triester is comprised between 1 to 20% by weight based on the total amount of the quaternary ammonium compound.
[0098] Alternatively, the quaternary ammonium compound is a mixture of mono and diester components, where:
[0099] - the amount of quaternary diester is comprised between 30 and 99% by weight based on the total amount of the quaternary ammonium compound, preferably between 50 and 99% by weight,
[00100] - the amount of quaternary monoester is between 1 and 50% by weight based on the total amount of the quaternary ammonium compound, preferably between 1 and 20% by weight.
[00101] Preferred quaternary ammonium ester compounds of the present invention include:
[00102] TET: tallow di(carboxymethyl)hydroxyethyl methyl ammonia methyl sulfate;
[00103] TEO: oil di(carboxyethyl)hydroxyethyl methyl ammonium methyl sulfate;
[00104] TES: distearyl hydroxyethyl methyl ammonium methyl sulfate;
[00105] TEHT: hydrogenated tallow di(carboxyethyl)hydroxyethyl methyl ammonium methyl sulfate;
[00106] TEP: di(palmiticcarboxyethyl)hydroxyethyl methyl ammonium methyl sulfate;
[00107] DEEDMAC: dimethylbis[2[(1-oxooctadecyl)oxy]ethyl]ammonium chloride.
[00108] In one embodiment, the quaternary ammonium compound of the present invention is present in an amount between 0.5 to 20% by weight based on the total weight of the composition. In another embodiment, the quaternary ammonium compound of the present invention is present in an amount between 1 to 10% by weight based on the total weight of the composition. In yet another embodiment, the quaternary ammonium compound of the present invention is present in an amount between 3 to 8% by weight based on the total weight of the composition.
[00109] In one aspect, the composition of the present invention comprises at least one cationic polysaccharide. In one embodiment, the composition comprises only a cationic polysaccharide.
[00110] Cationic polysaccharide can be obtained by chemically modifying polysaccharides, usually natural polysaccharides. By such modification, cationic side groups can be introduced into the polysaccharide backbone. In one embodiment, the cationic groups supported by the cationic polysaccharide of the present invention are quaternary ammonium groups.
[00111] The cationic polysaccharides of the present invention include, but are not limited to: cationic guar and its derivatives, cationic cellulose and its derivatives, cationic starch and its derivatives, cationic callose and its derivatives, cationic xylan and its derivatives, cationic mannan and its derivatives, cationic galactomannose and its derivatives.
[00112] Cationic celluloses suitable for the present invention include cellulose ethers comprising quaternary ammonium groups, copolymers of cationic cellulose or celluloses grafted with water-soluble quaternary ammonium monomer.
[00113] Cellulose ethers comprising quaternary ammonium groups are described in French patent 1,492,597 and in particular include polymers sold under the names "JR" (JR 400, JR 125, JR 30M) or "LR" (LR 400, LR 30M) by the Dow company. These polymers are also defined in the CTFA dictionary as hydroxyethyl cellulose of quaternary ammonia that has been governed with an epoxide substituted with a trimethylammonium group. Suitable cationic celluloses also include LR3000 KC from the Solvay company.
[00114] Cationic copolymers of cellulose or celluloses grafted with a water-soluble quaternary ammonium monomer are especially described in U.S. Pat. U.S. At the. 4,131,576, such as hydroxyalkylcelluloses, for example, hydroxymethyl, hydroxyethyl or hydroxypropylcellulose grafted especially with a salt of methacryloylethyltrimethylammonium, methacryloamidopropyltrimethylammonium or dimethyldiallylammonium. Commercial products that meet this definition are, more particularly, products sold under the names Celquat® L200 and Celquat® H 100 by the company Azko Nobel.
[00115] Cationic starches suitable for the present invention include products sold as Polygelo® (cationic starches from Sigma), products sold as Softgel®, Amylofax® and Solvitose® (cationic starches from Avebe), CATO from National Starch.
[00116] Suitable cationic galactomannose include, for example, Fenugreek Gum, Konjac Gum, Tara Gum, Cassia Gum.
[00117] In one embodiment, the cationic polysaccharide is a cationic guar. Guars are polysaccharides composed of the sugars galactose and mannose. The scaffold is a linear chain of 1,4-linked mannose β residues to which galactose residues are 1,6-linked on every second mannose, forming short side branches. Within the context of the present invention, cationic guars are cationic derivatives of guars.
[00118] In the case of cationic polysaccharide, such as cationic guar, the cationic group may be a quaternary ammonium group harboring 3 radicals, which may be identical or different, preferably chosen from hydrogen, alkyl, hydroxyalkyl, epoxyalkyl, alkenyl or aryl, preferably containing 1 to 22 carbon atoms, more particularly 1 to 14 and advantageously 1 to 3 carbon atoms. The counter-ion is usually a halogen. An example of halogen is chlorine.
[00119] Examples of quaternary ammonium group include: 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTMAC), 2,3-epoxypropyl trimethyl ammonium chloride (EPTAC), diallyldimethyl ammonium chloride (DMDAAC), vinylbenzene chloride trimethyl ammonium, ethyl trimethyl ammonium chloride methacrylate, methacrylamidopropyl trimethyl ammonium chloride (MAPTAC) and tetraalkyl ammonium chloride
[00120] An example of a cationic functional group on cationic polysaccharides such as cationic guars is trimethylamino(2-hydroxy)propyl with a counterion. Various counterions can be used, including, but not limited to, halides such as chloride, fluoride, bromide and iodide, sulfate, nitrate, methyl sulfate and mixtures thereof.
[00121] The cationic guars of the present invention may be chosen from the group consisting of: cationic hydroxyalkyl guars, such as cationic hydroxyethyl guar, cationic hydroxypropyl guar, cationic hydroxybutyl guar, and cationic carboxyalkyl guars which include cationic carboxymethyl guar, cationic alkylcarboxy guars such as cationic carboxypropyl guar and cationic carboxybutyl guar, cationic carboxymethylhydroxypropyl guar.
[00122] In one embodiment, the cationic guars of the present invention are hydroxypropyltrimonium guar chloride or hydroxypropyltrimonium guar chloride hydroxypropyl chloride.
[00123] The cationic polysaccharide, such as cationic guars, of the present invention may have an average molecular weight (Mw) between 100,000 daltons and 3,500,000 daltons, preferably between 100,00 daltons and 1,500,000 daltons, more preferably between 100,000 daltons and 1,000,000 daltons.
[00124] In one embodiment, the composition comprises from 0.05 to 10% by weight of the cationic polysaccharide according to the present invention based on the total weight of the composition. In another embodiment, the composition comprises from 0.05 to 5% by weight of the cationic polysaccharide according to the present invention based on the total weight of the composition. In another embodiment, the composition comprises from 0.2 to 2% by weight of the cationic polysaccharide according to the present invention based on the total weight of the composition.
[00125] In the context of the present application, the term "Degree of Substitution (DS)" of cationic polysaccharides, such as cationic guars, is the average number of substituted hydroxyl groups per sugar unit. DS can notably represent the number of carboxymethyl groups per sugar unit. DS can be determined by titration.
[00126] In one embodiment, the DS of the cationic polysaccharide, such as cationic guar, is in the range of 0.01 to 1. In another embodiment, the DS of the cationic polysaccharide, such as cationic guar, is in the range from 0.05 to 1. In another embodiment, the DS of the cationic polysaccharide, such as cationic guar, is in the range of 0.05 to 0.2.
[00127] In the context of the present application, "Charge Density (CD)" of cationic polysaccharides, such as cationic guars, means the ratio of the number of positive charges on a monomeric unit of which a polymer is comprised to the molecular weight of said monomeric unit.
[00128] In one embodiment, the CD of the cationic polysaccharide, such as cationic guar, is in the range of 0.1 to 3 (meq/gm). In another embodiment, the CD of the cationic polysaccharide, such as cationic guar, is in the range of 0.1 to 2 (meq/gm). In yet another embodiment, the CD of the cationic polysaccharide, such as cationic guar, is in the range of 0.1 to 1 (meq/gm).
[00129] In one aspect, the composition of the present invention comprises at least one non-ionic polysaccharide. In one embodiment, the composition comprises only a nonionic polysaccharide.
[00130] The non-ionic polysaccharide may be a modified non-ionic polysaccharide or unmodified non-ionic polysaccharide. The modified nonionic polysaccharide comprises hydroxyalkylations. In the context of the present application, the degree of hydroxyalkylation (molar substitution or MS) of the non-ionic modified polysaccharides means the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present in the polysaccharide. In one embodiment, the MS of the modified non-ionic polysaccharide is in the range of 0 to 3. In another embodiment, the MS of the non-ionic modified polysaccharide is in the range of 0.1 to 3. In yet another embodiment, the MS of the polysaccharide is not modified ionic is in the range of 0.1 to 2.
[00131] The non-ionic polysaccharide of the present invention can be especially chosen from glycans, modified or unmodified starches (such as those derived, for example, from cereals, for example wheat, corn or rice, from vegetables, for example, pea and tubers, e.g. potato or cassava), amylose, amylopectin, glycogen, dextrans, cellulose and its derivatives (methylcellulose, hydroxyalkylcelluloses, ethylhydroxyethylcelluloses), mannans, xylans, lignins, arabans, galactans, galacturonans, chitin, chitosans, glucuronoxylans, arabinoxylans, xyloglycans, glucomannans, pectic acids and pectins, arabinogalactans, carrageenans, agar, gum arabic, gum tragacanth, ghatti gum, karaya gum, carob gum, galactomannans such as guars and their non-ionic derivatives (hydro- xypropyl guar) and mixtures thereof.
[00132] Among the celluloses that are especially used are hydroxyethylcelluloses and hydroxypropylcellulose. Mention may be made of products sold under the names Klucel® EF, Klucel® H, Klucel® LHF, Klucel® MF and Klucel® G by the company Aqualon and Cellosize® Polymer PCG-10 by the company Amerchol and HEC, HPMC K200, HPMC K35M by Ashland Company.
[00133] In one embodiment, the non-ionic polysaccharide is a non-ionic guar. Non-ionic guar can be modified or unmodified. Unmodified non-ionic guars include products sold under the name Vidogum® GH 175 by the Unipectine company and under the names Meypro®-Guar 50 and Jaguar C by the Solvay company. Modified nonionic guars are specially modified with C1-C6 hydroxyalkyl groups. Among the hydroxyalkyl groups that may be mentioned, for example, are hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups. Such guars are well known in the prior art and can be prepared, for example, by reacting corresponding alkylene oxides, such as, for example, propylene oxides, with guar to obtain a guar modified with hydroxypropyl groups.
[00134] The nonionic polysaccharide, such as nonionic guar, of the present invention may have an average molecular weight (Mw) between 100,000 daltons and 3,500,000 daltons, preferably between 500,00 daltons and 3,500,000 daltons.
[00135] In one embodiment, the composition comprises from 0.05 to 10% by weight of the nonionic polysaccharide according to the present invention based on the total weight of the composition. In another embodiment, the composition comprises from 0.05 to 5% by weight of the nonionic polysaccharide according to the present invention based on the total weight of the composition. In another embodiment, the composition comprises from 0.2 to 2% by weight of the nonionic polysaccharide according to the present invention based on the total weight of the composition.
[00136] In one embodiment, the weight ratio of the quaternary ammonium compound in the composition and the total weight of the cationic polysaccharide and the nonionic polysaccharide in the composition is between 100:1 and 2:1, more preferably, between 30:1 and 5:1.
[00137] In one embodiment, the weight ratio of the cationic polysaccharide in the composition and the weight of the non-ionic polysaccharide in the composition is between 1:10 and 10:1, more preferably, between 1:3 and 3:1.
[00138] In another aspect of the present invention, the composition may further comprise a fragrance or perfume material.
[00139] As used herein, the term "fragrance or perfume material" means any organic substance or composition that has a desired olfactory property and is essentially non-toxic. Such substances or compositions include all fragrance and perfume materials that are commonly used in perfumery and household compositions (laundry detergents, fabric softening compositions, soaps, multipurpose cleaners, bathroom cleaners, floor cleaners) or compositions. for personal hygiene. The compounds involved may be natural, semi-synthetic or synthetic in origin.
[00140] Preferred fragrance and perfume materials can be assigned to the substance classes that comprise hydrocarbons, aldehydes or esters. Fragrances and perfumes also include natural extracts and/or essences, which may comprise complex mixtures of constituents, i.e., fruits such as almond, apple, cherry, grape, pear, pineapple, orange, lemon, strawberry, raspberry and the like; musk, flower scents such as lavender, jasmine, lily, magnolia, rose, iris, carnation and the like; herbal flavors such as basil, thyme, sage and the like; aromas of woods such as pine, spruce, cedar and the like.
[00141] Non-limiting examples of synthetic and semi-synthetic fragrance and perfume materials are: 7-acetyl-1,2,3,4,5,6,7,8-octahydro-1,1,6,7-tetramethylnaphthalene, α -ionone, β-ionone, Y-ionone, α-isomethylionone, methylcedrylone, methyl dihydrojasmonate, methyl 1,6,10-trimethyl-2,5,9-cyclododecatrien-1-yl ketone, 7-acetyl-1,1, 3,4,4,6-hexamethyltetralin, 4-acetyl-6-tert-butyl-1,1-dimethylindane, hydroxyphenylbutanone, benzophenone, methyl b-naphthyl ketone, 6-acetyl-1,1,2,3, 3,5-hexamethylindane, 5-acetyl-3-isopropyl-1,1,2-,6-tetramethylindane, 1-dodecanal, 4-(4-hydroxy-4-methylpentyl)-3-cyclohex-ene-1-carboxyaldehyde , 7-hydroxy-3,7-dimethyloctanal, 10-undecen-1-al, isohexenylcyclohexylcarboxyaldehyde, formyltricyclodecane, condensation products of hydroxycitronellal and methyl anthranilate, condensation products of hydroxycitronellal and indole, condensation products of phenylacetaldehyde and indole, 2-methyl-3-(para-tert-butylphenyl)propionaldehyde, ethylvanillin, heliotropin, hexylcinnamaldehyde o, amylcinnamaldehyde, 2-methyl-2-(isopropylphenyl)propionaldehyde, coumarin, Y-decalactone, cyclopentadecanolide, 16-hydroxy-9-hexadecenoic acid lactone, 1,3,4,6,7,8-hexahydro-4 ,6,6,7,8,8-hexamethylcyclopenta-g-benzopyran, β-naphthol methyl ether, ambroxane, dodecahydro-3a,6,6,9a-tetramethylnaphtho[2,1b]furan, cedrol, 5-(2 ,2,3-trimethylcyclopent-3-enyl)-3-methylpentan-2-ol, 2-ethyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1- ol, caryophyllene alcohol, tricyclodecenyl propionate, tricyclodecenyl acetate, benzyl salicylate, cedryl acetate and tert-butylcyclohexyl acetate.
[00142] Particular preference is given to the following: hexylcinnamaldehyde, 2-methyl-3-(tert-butylphenyl)propionaldehyde, 7-acetyl-1,2,3,4,5,6,7,8-octahydro-1 ,1,6,7-tetramethylnaphthalene, benzyl salicylate, 7-acetyl-1,1,3,4,4,6-hexamethyltetraline, para-tert-butylcyclohexyl acetate, methyl dihydrojasmonate, (β methyl ether -naphthol, methyl g-naphthyl ketone, 2-methyl-2-(para-isopropylphenyl)propionaldehyde, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8- hexamethylcyclopenta-g-2-benzopyran, dodecahydro-3a,6,6,9a-tetramethylnaphtho[2,1b]furan, anisaldehyde, coumarin, cedrol, vanillin, cyclopentadecanolide, tricyclodecenyl acetate and tricyclodecenyl propionates.
[00143] Other fragrance and perfume materials are essential oils, resinoids and resins from a large number of sources, such as balsam of Peru, frankincense resin, benzoin, laudanum resin, nutmeg, cassia oil, benzoin, coriander, sage, eucalyptus, geranium, lavender, nutmeg flower extract, neroli, nutmeg, mint, violet leaf, valerian and lavandin.
[00144] Some or all fragrance materials or perfumes may be typical, encapsulated perfume components which it is advantageous to encapsulate, including those with a relatively low boiling point. It is also advantageous to encapsulate perfume components that have a low Clog P (i.e. those that will be partitioned in water), preferably with a Clog P of less than 3.0. As used herein, the term "Clog P" means the logarithm calculated to base 10 of the partition coefficient (P) of octanol/water.
[00145] Suitable additional fragrance and perfume materials include: phenylethyl alcohol, terpineol, linalool, linalyl acetate, geraniol, nerol, 2-(1,1-dimethylethyl)cyclohexanol acetate, benzyl acetate and eugenol.
[00146] The fragrance or perfume material can be used as a single substance or in a mixture with one another.
[00147] Perfumes often include solvents or diluents, for example: ethanol, isopropanol, diethylene glycol monoethyl ether, dipropylene glycol, diethyl phthalate and triethyl citrate.
[00148] In one embodiment, the composition comprises between 0.01 to 10% by weight of the fragrance or perfume material based on the total weight of the composition. In another embodiment, the composition comprises between 0.1 to 5% by weight of the fragrance or perfume material based on the total weight of the composition. In yet another embodiment, the composition comprises between 0.1 to 2% by weight of the fragrance or perfume material based on the total weight of the composition.
[00149] In another aspect of the present invention, there is provided a method of enhancing the fragrance or perfume longevity of a composition, by adding to the composition (a) a quaternary ammonium compound; (b) a cationic polysaccharide; and (c) a fragrance material or a perfume. In one embodiment, the cationic polysaccharide is a cationic polysaccharide that does not comprise hydroxyalkylation. In another embodiment, the cationic polysaccharide is a cationic guar that is not modified by hydroxyalkylation.
[00150] In another aspect of the present invention, the composition may comprise one or more of the following optional ingredients: dispersing agents, stabilizers, rheology modifying agents, pH control agents, dyes, bleaches, fatty alcohols , fatty acids, dyes, odor control agent, pre-perfumes, cyclodextrins, solvents, preservatives, chlorine removers, anti-shrink agents, fabric shrinkage agents, staining agents, antioxidants, anti-corrosion agents, agents for fillers, cut and shape control agents, softening agents, static control agents, wrinkle control agents, sanitizing agents, disinfecting agents, germ control agents, mold control agents, for the control of mites, antiviral agents, antimicrobials, drying agents, stain resistant agents, soil release agents, malodour control agents, cooling agents before fabric, chlorine odor control agents, dye fixers, color transfer inhibitors, color maintenance agents, color restore/rejuvenate agents, anti-fade agents, whiteness enhancers, anti-aging agents. abrasion, fabric strength agents, fabric integrity agents, defoamers and defoamers, rinse aids, UV protection agents, sun fade inhibitors, insect repellents, anti-allergenic agents, enzymes, flame, waterproofing agents, fabric comfort agents, softening agents, tensile strength agents and mixtures thereof. Such optional ingredients may be added to the composition in any desired order.
[00151] With reference to optional ingredients, without this being considered as an exhaustive description of all possibilities, which, on the other hand, are well known to the person skilled in the art, the following can be mentioned:
[00152] a) other products that enhance the softening performance of the composition, such as silicones, amine oxides, anionic surfactants, such as ether lauryl sulfate or lauryl sulfate, sulfosuccinates, amphoteric surfactants, such as amphoacetate, non-ionic surfactants such as polysorbate, polyglycoside derivatives and cationic polymers such as polyquaternium, etc.;
[00153] b) stabilizing products, such as salts of amines that have a short chain, which are quaternized or non-quaternized, for example, of triethanolamine, N-methyldiethanolamine, etc., and also non-ionic surfactants, such as ethoxylated fatty alcohols, ethoxylated fatty amines, polysorbate and ethoxylated alkyl phenols; typically used at a level between 0 to 15% by weight of the composition;
[00154] c) Products that improve viscosity control, which are preferably added when the composition comprises high concentrations of a tissue conditioning active (such as the quaternary ammonium compound); for example, inorganic salts such as calcium chloride, magnesium chloride, calcium sulfate, sodium chloride, etc.; products that can be used to improve stability in concentrated compositions, such as glycol-type compounds, such as glycerol, polyglycerols, ethylene glycol, polyethylene glycols, dipropylene glycol, other polyglycols, etc.; and thickening agents for dilute compositions, for example, natural polymers derived from cellulose, guar, etc. or synthetic polymers, such as acrylamide-based polymers (eg Flosoft 222 from the SNF company), hydrophobically modified hydroxylated urethanes (eg Acusol 880 from the Dow company);
d) components for adjusting the pH, which should preferably be between 2 and 8, such as any type of inorganic and/or organic acid, for example, hydrochloric, sulfuric, phosphoric, citric acid, etc.;
[00156] e) agents that improve soil release, such as polymers or copolymers based on terephthalates;
[00157] f) bactericidal preservative agents;
[00158] g) other products such as antioxidants, coloring agents, perfumes, germicides, fungicides, anti-corrosion agents, anti-wrinkle agents, opacifiers, optical brighteners, pearl shine agents, etc.
[00159] The composition may comprise a silicone compound. The silicone compound of the invention may be a linear or branched structure silicone polymer. The silicone of the present invention may be a single polymer or a mixture of polymers. Suitable silicone compounds include polyalkyl, silicone, aminosilicone, siloxane, polydimethyl siloxane, ethoxylated organosilicone, propoxylated organosilicone, ethoxylated/propoxylated organosilicone and mixtures thereof. Suitable silicones include, but are not limited to, those available from Wacker Chemical, such as Wacker® FC 201 and Wacker® FC 205.
[00160] The composition may comprise a cross-linking agent. The following is a non-restrictive list of crosslinking agents: methylene bisacrylamide (MBA), ethylene glycol diacrylate, polyethylene glycol dimethacrylate, diacrylamide, triallylamine, cyanomethylacrylate, vinyl oxyethylacrylate or methacrylate and formaldehyde, glyoxal, compounds of the type of glycidyl ether such as ethylene glycol diglycidyl ether or the epoxides or any other means familiar to the skilled person which allows crosslinking.
[00161] The composition may comprise at least one Surfactant System. A variety of surfactants can be used in the composition of the invention, including cationic, nonionic and/or amphoteric surfactants that are commercially available from a variety of sources. For a discussion of surfactants, see Kirk-Othmer, Encyclopaedia of Chemical Technology, Third Edition, volume 8, pages 900-912. Preferably, the composition comprises a surfactant system in an amount effective to provide the desired level of softness to the fabrics, preferably between about 5 and about 10% by weight.
[00162] The composition may comprise a dye, such as an acid dye, a hydrophobic dye, a basic dye, a reactive dye, a conjugate dye. Suitable acid dyes include azine dyes such as acid blue 98, acid violet 50 and acid blue 59, non-azine acid dyes such as acid violet 17, acid black 1 and acid blue 29. Hydrophobic dyes are selected from benzodifurans, methine , triphenylmethanes, naphthalimides, pyrazole, naphthoquinone, anthraquinone and mono-azo or dia-azo dye chromophores. Suitable hydrophobic dyes are those dyes which do not contain any charged water-solubilized group. Hydrophobic dyes can be selected from the groups of disperse solvents and solvents. Anthraquinone blue and violet and a mono-azo dye are preferred. Basic dyes are organic dyes that carry a net positive charge. They settle on cotton. They are of particular utility for use in compositions that contain predominantly cationic surfactants. The dyes can be selected from the basic violet and basic blue dyes listed in the Color Index International. Preferred examples include basic triarylmethane dyes, basic methane dye, basic anthraquinone dyes, basic blue 16, basic blue 65, basic blue 66, basic blue 67, basic blue 71, basic blue 159, basic violet 19, basic violet 35, basic violet 38, basic violet 48; basic blue 3, basic blue 75, basic blue 95, basic blue 122, basic blue 124, basic blue 141. Reactive dyes are dyes that contain an organic group capable of reacting with cellulose and linking the dye to cellulose with a covalent bond. Preferably, the reactive group is hydrolyzed or the reactive group of the dyes is reacted with an organic species such as a polymer so as to bind the dye to that species. The dyes can be selected from the reactive violet and reactive blue dyes listed in the Color Index International. Preferred examples include reactive blue 19, reactive blue 163, reactive blue 182 and reactive blue 96. Conjugated dyes are formed by the direct binding of acidic or basic dyes to polymers or particles through physical forces. Depending on the choice of polymer or particle, they are deposited on cotton or synthetics. A description is given in WO2006/055787. Particularly preferred dyes are: direct violet 7, direct violet 9, direct violet 11, direct violet 26, direct violet 31, direct violet 35, direct violet 40, direct violet 41, direct violet 51, direct violet 99, acid blue 98, violet acid 50, acid blue 59, acid violet 17, acid black 1, acid blue 29, solvent violet 13, dispersed violet 27, dispersed violet 26, dispersed violet 28, dispersed violet 63, dispersed violet 77 and mixtures thereof. The solid composition of the present invention may comprise one or more perfumes. The perfume is preferably present in an amount between 0.01 and 20% by weight, more preferably between 0.05 and 10% by weight, even more preferably between 0.05 and 5% by weight, most preferably between 0.05 and 1.5% by weight, based on the total weight of the solid composition.
[00163] The composition may comprise an antimicrobial. The antimicrobial may be a halogenated material. Suitable halogenated materials include 5-chloro-2-(2,4-dichlorophenoxy)phenol, o-Benzyl-p-chlorophenol and 4-chloro-3-methylphenol. Alternatively, the antimicrobial may be a non-halogenated material. Suitable non-halogenated materials include 2-phenylphenol and 2-(1-hydroxy-1-methylethyl)-5-methylcyclohexanol. Phenyl ethers are a preferred subgroup of antimicrobials. The antimicrobial can also be a halogenated compound. More preferably, it comprises 4,4'-dichloro-2-hydroxy-diphenyl ether and/or 2,2-dibromo-3-nitrilopropionamide. (DBNPA).
[00164] The composition may also comprise preservatives. Preferably only those preservatives which have no or only slight potential to sensitize the skin are used. Examples are phenoxy ethanol, 3-iodo-2-propynylbutyl carbamate, sodium N-(hydroxymethyl)glycinate. biphenyl-2-ol as well as mixtures thereof.
[00165] The composition may also comprise antioxidants to prevent undesirable changes caused by oxygen and other oxidative processes in the solid composition and/or in the treated tissues. This class of compounds includes, for example, substituted phenols, hydroquinones, pyrocatechols, aromatic amines and vitamin E.
[00166] The composition may comprise a hydrophobic agent. The hydrophobic agent may be present in an amount between 0.05 to 1.0% by weight, preferably between 0.1 to 0.8% by weight, more preferably between 0.2 to 0.7 and most preferably between 0 .4 to 0.7% by weight of the total composition, for example between 0.2 to 0.5% by weight. The hydrophobic agent may have a ClogP between 4 to 9, preferably between 4 to 7, most preferably between 5 to 7.
[00167] Suitable hydrophobic agents include esters derived from the reaction of a fatty acid with an alcohol. The fatty acid preferably has a carbon chain span between C8 to C22 and may be saturated or unsaturated, preferably saturated. Some examples include stearic acid, palmitic acid, lauric acid and myristic acid. The alcohol can be linear, branched or cyclic. Linear or branched alcohols have a preferred carbon chain length between 1 and 6. Preferred alcohols include methanol, ethanol, propanol, isopropanol, sorbitol. Preferred hydrophobic agents include methyl esters, ethyl esters, propyl esters, isopropyl esters and sorbitan esters derived from such fatty acids and alcohols.
[00168] Non-limiting examples of suitable hydrophobic agents include methyl esters derived from fatty acids that have a carbon chain length of at least C10, ethyl esters derived from fatty acids that have a carbon chain length of at least C10, esters propyl esters derived from fatty acids that have a carbon chain length of at least C8, isopropyl esters derived from fatty acids that have a carbon chain length of at least C8, sorbitan esters derived from fatty acids that have a chain length carbon of at least C16 and alcohols with a carbon chain length greater than C10. Naturally occurring fatty acids have a carbon chain extension up to C22.
[00169] Some preferred materials include methyl undecanoate, ethyl decanoate, propyl octanoate, isopropyl myristate, sorbitan stearate and 2-methyl undecanol, ethyl myristate, methyl myristate, methyl laurate, isopropyl palmitate and ethyl stearate; more preferably, methyl undecanoate, ethyl decanoate, isopropyl myristate, sorbitan stearate, 2-methyl undecanol, ethyl myristate, methyl myristate, methyl laurate, isopropyl palmitate.
[00170] Non-limiting examples of such materials include methyl undecanoate, ethyl decanoate, propyl octanoate, isopropyl myristate, sorbitan stearate and 2-methyl undecanol; preferably methyl undecanoate, ethyl decanoate, isopropyl myristate, sorbitan stearate and 2-methyl undecanol.
[00171] The composition may comprise an anti-foaming agent. The defoaming agent may be present in an amount between 0.025 to 0.45% by weight, preferably 0.03 to 0.4% by weight, most preferably between 0.05 to 0.35% by weight, for example , 0.07 to 0.4% by weight of the total weight of the composition and based on 100 percent defoaming activity. A wide variety of materials can be used as the defoaming agent and defoaming agents are well known to those skilled in the art. See, for example, Kirk Othmer Encyclopedia of Chemical Technology, Third Edition, Volume 7, pages 430-447 (John Wiley and Sons, Inc., 1979).
[00172] Suitable defoaming agents include, for example, silicone defoaming compounds, alcohol defoaming compounds, for example, 2-alkyl alkanol defoaming compounds, fatty acids, paraffin defoaming compounds, and mixtures thereof. By antifoaming compound is meant any compound or mixture of compounds which acts to decrease suds or foam produced by a solution of a detergent composition, particularly in the presence of agitation of that solution.
[00173] Particularly preferred defoaming agents for use therein are silicone defoaming compounds, defined herein as any defoaming compound that includes a silicone component. Several such silicone antifoam compounds also contain a silica component. The term "silicone" as used herein and generally throughout the industry encompasses a variety of relatively high molecular weight polymers that contain siloxane units and hydrocarbyl groups of various types such as polyorganosiloxane oils such as polydimethylsiloxane. , dispersions or emulsions of polyorganosiloxane oils or polyorganosiloxane resins and combinations on silica particles, wherein the polyorganosiloxane is chemically absorbed or melted onto the silica. Silica particles are generally hydrophobic, for example as trimethylsiloxysilicate. Silicone defoaming agents are well known in the art and are described, for example, in U.S. Patent. 4,265,779, issued May 5, 1981 and European Patent Application No. 89307851.9, published Feb 7, 1990; other silicone antifoam compounds are described in the U.S. Patent. 3,455,839. Silicone defoamers and foam controlling agents in granulated detergent compositions are described in the U.S. Patent. 3,933,672 and in U.S. Patent 4,652,392 issued March 24, 1987. Examples of silicone antifoam compounds are combinations of polyorganosiloxane with silica particles commercially available from Dow Corning, Wacker Chemie and Momentive.
[00174] Other suitable defoaming compounds include monocarboxylic fatty acids and their soluble salts. Such materials are described in US Patent 2,954,347. Monocarboxylic fatty acids and their salts for use as defoaming agents typically have hydrocarbyl chains of from about 10 to about 24 carbon atoms, preferably from about 12 to about 18 carbon atoms such as commercially available tallow amphopolycarboxyglycinate. the trade name of TAPAC. Suitable salts include alkali metal salts such as sodium, potassium and lithium salts and ammonia and alkanolammonium salts.
[00175] Other suitable defoaming compounds include, for example, high molecular weight hydrocarbons such as paraffin, light odorless petroleum hydrocarbons, fatty esters (e.g. fatty acid triglycerides, glyceryl derivatives, polysorbate), esters fatty acid of monovalent alcohols, C18-40 aliphatic ketones (e.g. stearone), N-alkylated amino triazines such as tri to hexa-10 alkylmelamines or di or tetra alkyldiamine chlortriazines formed as cyanuric chloride products with two or three moles of a primary or secondary amine containing 1 to 24 carbon atoms, propylene oxide, bisstearic acid amide and monostearyl phosphates such as alcohol phosphate monostearyl ester and alkali metal monostearyl phosphates (e.g. K, Na and Li) and phosphate esters and non-ionic polyhydroxyl derivatives. Hydrocarbons such as paraffin and haloparaffin can be used in liquid form. Liquid hydrocarbons will be liquid at room temperature and atmospheric pressure and will have a pour point in the range of about -40°C and about 5°C and a minimum boiling point of not less than about 110°C (pressure atmospheric). It is also possible to use waxy hydrocarbons, preferably having a melting point below about 100°C. Hydrocarbon foam suppressants are described, for example, in U.S. Patent. 4,265,779. Hydrocarbons, therefore, include saturated or unsaturated aliphatic, alicyclic, aromatic and heterocyclic hydrocarbons having from about 12 to about 70 carbon atoms. The term "paraffin", as used herein in this discussion of foam suppressant, is intended to include mixtures of true paraffins and cyclic hydrocarbons. Copolymers of ethylene oxide and propylene oxide, particularly mixed ethoxylated/propoxylated fatty alcohols with an alkyl chain length of from about 10 to about 16 carbon atoms, a degree of ethoxylation of from about 3 to about of 30 and a degree of propoxylation between about 1 to about 10 are also suitable antifoam compounds for use therein.
[00176] Other defoaming agents useful herein comprise secondary alcohols (e.g., 2-alkyl alkanols as described in DE 40 21 265) and mixtures of such alcohols with silicone oils, such as the silicones described in US 4,798,679 and EP 150,872. Secondary alcohols include C6-C16 alkyl alcohols having a C1-C16 chain such as 2-hexyldecanol commercially available under the tradename ISOFOL16, 2-octyldodecanol commercially available under the tradename ISOFOL20 and 2-butyl octanol which is available under the tradename trade name of ISOFOL12 by Condea. A preferred alcohol is 2-butyl octanol, which is available from Condea under the tradename ISOFOL12. Mixtures of secondary alcohols are available under the tradename ISALCHEM 123 from Enichem. Mixed defoamers typically comprise mixtures of alcohols with silicone in a weight ratio of from about 1:5 to about 5:1. Additional preferred defoaming agents are SER grade Silicones and Silicone SE 47M, SE39, SE2, SE9 and SE10 available from Wacker Chemie; BF20+, DB310, DC1410, DC1430, 22210, HV495 and Q2-1607 sold directly by Dow Corning; FD20P and BC2600 supplied by Basildon; and SAG 730 sold directly by Momentive. Other suitable defoamers, described in the literature such as in the Hand Book of Food Additives, ISBN 0-566-07592-X, p.804, are selected from dimethicone, poloxamer, polypropylene glycol, tallow derivatives and mixtures thereof.
[00177] Among the preferred defoaming agents described above are silicone defoaming agents, in particular combinations of polyorganosiloxane with silica particles.
[00178] The composition may comprise an anti-freeze agent. The antifreeze agent as described below is used to improve the freeze recovery of the composition.
[00179] The active antifreeze may be an alkoxylated nonionic surfactant which has an average alkoxylation value between 4 to 22, preferably between 5 to 20 and most preferably between 6 to 20. The alkoxylated nonionic surfactant may have a ClogP between 3 to 6, preferably between 3.5 to 5.5. Mixtures of such non-ionic surfactants may be used.
[00180] Suitable nonionic surfactants that can be used as the anti-freeze agent include, in particular, reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids or alkyl phenols with alkylene oxides, preferably ethylene oxide alone or with propylene oxide.
[00181] Suitable antifreeze agents can also be selected from alcohols, diols and esters. A particularly preferred additional antifreeze agent is monopropylene glycol (MGP). Other non-ionic anti-freeze materials, which are outside the scope of the non-ionic anti-freeze component of the present invention, but which may be additionally included in the compositions of the invention include alkyl polyglycosides, ethoxylated castor oil and sorbitan esters.
[00182] Additional suitable antifreeze agents are those described in EP 0018039 which include paraffins, long chain alcohols and various esters, for example glycerol monostearate, isobutyl stearate and isopropyl palmitate. Materials also described in US 6,063,754 such as C10-12 isoparaffins, isopropyl myristate and dioctyladipate.
[00183] The composition may comprise one or more viscosity control agents, such as polymeric viscosity control agents. Polymeric viscosity control agents include non-ionic and cationic polymers such as hydrophobically modified cellulose ethers (e.g. Natrosol Plus, sold directly by Hercules), cationically modified starches (e.g. Softgel BDA and Softgel BD, both sold directly by Avebe). A particularly preferred viscosity control agent is a copolymer of methacrylate and cationic acrylamide available under the tradename Flosoft 200 (sold directly from SNF Floerger).
[00184] The composition may comprise a stabilizer. The stabilizer may be a mixture of a water-insoluble, cationic material and a non-ionic material selected from hydrocarbons, fatty acids, fatty esters, and fatty alcohols.
[00185] The composition may comprise a flocculation preventing agent, which may be a non-ionic alkoxylated material having an HLB value between 8 to 18, preferably between 11 to 16, more preferably between 12 to 16 and most preferably 16 The non-ionic alkoxylated material may be linear or branched, preferably linear. Suitable flocculation preventing agents include nonionic surfactants. Suitable nonionic surfactants include ethylene oxide and/or propylene oxide adducts with fatty alcohols, fatty acids and fatty amines. The flocculation preventing agent is preferably selected from (a) an alkoxide selected from ethylene oxide, propylene oxide and mixtures thereof with (b) a fatty material selected from fatty alcohols, fatty acids and fatty amines.
[00186] The composition may comprise a polymeric thickening agent. Suitable polymeric thickeners are water soluble or dispersible. Polymer thickening agent monomers can be non-ionic, anionic or cationic. The following is a non-restrictive list of monomers that perform a non-ionic function: acrylamide, methacrylamide, N-alkyl acrylamide, N-vinyl pyrrolidone, N-vinyl formamide, N-vinyl acetamide, vinyl acetate, vinyl alcohol, esters of acrylate, allyl alcohol. The following is a non-restrictive list of monomers that perform an anionic function: acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic acid, fumaric acid, as well as monomers that perform sulfonic acid or phosphonic acid functions, such as 2-Acrylamido-2-Methyl Propane Sulphonic (ATBS), etc. Monomers can also contain hydrophobic groups. Suitable cationic monomers are selected from the group consisting of the following monomers and derivatives and their quaternary or acid salts: dimethylaminopropylmethacrylamide, dimethylaminopropylacrylamide, diallylamine, methyldiallylamine, dialkylaminoalkylacrylates and methacrylates, dialkylaminoalkylacrylamides or methacrylamides.
[00187] Polymeric thickening agents particularly useful in the composition of the invention include those described in WO2010/078959. These are cross-linked cationic water-swellable copolymers that contain at least one cationic monomer and optionally other non-ionic and/or anionic monomers. Preferred polymers of this type are copolymers of acrylamide and trimethylaminoethylacrylate chloride.
[00188] Preferred polymers comprise less than 25% water-soluble polymers by weight of the total polymer, preferably less than 20 percent and most preferably less than 15 percent, and a crosslinking agent concentration between 500 ppm to 5000 ppm relative to the polymer, preferably between 750 ppm to 5000 ppm, more preferably between 1000 to 4500 ppm (as determined by a suitable measurement method such as that described on page 8 of EP patent 343840). The concentration of the cross-linking agent should be greater than about 500 ppm with respect to the polymer and preferably greater than about 750 ppm, when the cross-linking agent used is methylene bisacrylamide or other cross-linking agents at concentrations that lead to levels of equivalent crosslinking between 10 to 10,000 ppm.
[00189] The composition of the present invention may be prepared by any mixing means known to a person skilled in the art. Preferably, the composition is prepared by the following procedure:
[00190] (i) provide an aqueous dispersion of a mixture of the cationic polysaccharide and the non-ionic polysaccharide. Optionally, other additives can also be added to the aqueous dispersion. Preferably, stirring and/or heating is provided to facilitate the process. In a preferred embodiment, the pH value of the aqueous dispersion of the polysaccharides is adjusted to be in the range of 3.5 to 5 by the use of an acidic agent. Fragrance or perfume can be added at this stage; (ii) mixing the quaternary ammonium compound with the aqueous dispersions obtained in (i) to give the composition of the present invention. Preferably, the quaternary ammonium compound is melted by heating before mixing. Stirring and heating can also be provided to facilitate the process.
[00191] Preferably, the pH value of the composition obtained in (ii) is adjusted to be in the range of 2.5 to 8, by the use of an acidic agent or a suitable basic agent. Optional additives can also be added to the composition at this stage.
[00192] The composition of the present invention may have a variety of physical forms including liquid, liquid-gel, paste-like, foam in aqueous or non-aqueous form, and any other suitable form known to the person skilled in the art. For better dispersion, a preferred form of the composition is in a liquid form and in the form of an aqueous dispersion in water. When in liquid form, the composition may also be delivered with delivery means such as a spray or aerosol dispenser.
[00193] Accordingly, in one aspect, the present invention also provides a method of preparing a liquid composition for conditioning a fabric. The liquid fabric conditioning composition can be prepared routinely by melting fabric conditioning actives and mixing them with other ingredients and then adding the mixture to hot water with agitation to homogenize and disperse the water-insoluble ingredients.
[00194] In another aspect, the present invention also relates to the use of the composition according to the present invention as a fabric care agent.
[00195] In yet another aspect, the present invention also provides a method for conditioning a fabric comprising the step of contacting an aqueous medium containing the composition of the present invention with the fabric.
[00196] The composition of the present invention can be used in a so-called rinsing process. Typically, the fabric conditioning composition of the present invention is added during the rinse cycle of an automatic washing machine (such as an automatic clothes washing machine). One aspect of the invention provides for dosing the composition during the rinse cycle of the automatic washing machine. Another aspect of the invention provides a kit comprising the composition of the present invention and, optionally, instructions for use.
[00197] When used in the rinse process, the composition is first diluted in an aqueous rinse bath solution. Subsequently, washed fabrics that have been washed with a detergent and optionally rinsed in a first inefficient rinse step ("inefficient" in the sense that residual detergent and/or dirt can be transferred onto the fabrics), are placed in the solution. rinse with the diluted composition. Of course, the composition can also be incorporated into the aqueous bath once the fabrics have been immersed in it. After this step, agitation is applied to the fabrics in the rinse bath solution causing the foam to collapse and residual dirt and surfactant to be removed. Fabrics may optionally be twisted before drying.
[00198] Accordingly, in yet another aspect, there is provided a method for rinsing fabrics, which comprises the steps of contacting the fabrics, preferably previously washed with a liquid detergent, with a composition according to the present invention. Subject matter of the invention also includes the use of the composition of the present invention to impart softness to fabric; notably for fabrics that have been washed in a high suds detergent solution, while providing on-rinse suds reduction and without creating unwanted flakes.
[00199] In yet another aspect, the present invention also relates to a method for softening a fabric which comprises contacting an aqueous medium comprising the composition of the present invention with the fabric during the washing machine rinse cycle.
[00200] The rinsing process can be carried out manually in a basin or bucket, in a non-automated washing machine or in an automatic washing machine. When hand washing is performed, the washed fabrics are removed from the detergent and wrung out. The composition of the present invention can then be added to clean water and the fabrics are then, directly or after a first inefficient rinsing step, rinsed in the water that contains the composition according to the conventional rinsing habit. The fabrics are then dried using conventional means.
[00201] In another aspect of the present invention, a container is provided that contains a composition of the present invention. The container allows for easy transport of the composition and distribution of the composition to the users as well. The container of the present invention may be a tank, bottle, box, tube or the like. The container can be made of various materials, including, but not limited to, plastic, rubber, metal, synthetic fiber, glass, ceramic material, wood, paper-based material. The container can be of any shape that is easy to handle and transport, including but not limited to a cubic, cuboid, cylindrical, conical and irregular shape. The container preferably has at least one opening for filling or withdrawing the composition. Preferably, the opening is at the top of the container. The container may also have a cover to close the opening. The cover may be a cap, screw cap, seal, stopper, plug or the like.
[00202] If the description of any patents, patent applications and publications which are incorporated herein by reference conflicts with the description of the present application, insofar as it may render unclear expression, the present description shall take precedence.
[00203] The following examples are included to illustrate embodiments of the invention. Needless to say, the invention is not limited to the examples described. Examples
[00204] The compositions in the following samples were prepared using the material and procedure as described below: materials
[00205] TEP: Di(palmiticcarboxyethyl)hydroxyethyl methyl ammonium methylsulfate; Fentacare TEP softener (from Solvay);
[00206] DHT: Dihydrogenated tallow dimethylammonium chloride, Fentacare® DHT softener (from Solvay);
[00207] Nonionic Guar 1: a hydroxypropyl guar having a molecular weight between 2,000,000 and 3,000,000 daltons;
[00208] Nonionic Guar 2: A pure guar having an average molecular weight of about 2,000,000 daltons (from Solvay);
[00209] Cationic guar: a hydroxypropyltrimonium guar chloride having a molecular weight below 1,500,000 daltons;
[00210] HEC: hydroxypropyl cellulose (from Ashland);
[00211] HPMC K200: hydroxypropyl methyl cellulose (from Ashland);
[00212] HPMC K35M: hydroxypropyl methyl cellulose (from Ashland);
[00213] LR3000KC: a quaternized cellulose (from Solvay);
[00214] LR400: a quaternized cellulose (from Solvay);
[00215] Gum konjac: a quaternized galactomannose (from Foodchem International Corporation);
[00216] Fenugreek Gum: a quaternized galactomanose (China Zhengzhou Ruiheng Corporation);
[00217] Gum tara: a quaternized galactomannose (from Foodchem International Corporation);
[00218] Cassia gum: a quaternized galactomanose (from Lubrizol);
[00219] CATO: a quaternized starch (from National Starch). Procedure for preparing tissue conditioning compositions
[00220] 1. One or more guars, water and additives (if any) were added to a first beaker, then heated to 55°C with stirring.
[00221] 2. TEP was melted in a second beaker at 55°C and then added to the first beaker and then the mixture was stirred for at least 5 minutes.
[00222] 3. The mixture from step 2) was cooled to 35°C and preservatives and fragrances were added to the mixture.
[00223] 4. The pH value of the mixture was adjusted to the target value with 10% by weight NaOH solution in water. Example 1: Softener performance test
[00224] Samples of the fabric conditioning composition were prepared according to the following formulation (shown in Table 1) by using the procedure mentioned above: Table 1


[00225] For the fabric softener performance test, 2 grams of each of the samples were diluted in 1 liter of water. Afterwards, towels were immersed in the water containing different samples (5 towels for each sample), respectively, for 10 min. Afterwards, the treated towels were removed, spread out for 5 min and dried overnight. Afterwards, the softness of each treated towel was evaluated by five independent researchers, in which the researcher touched the treated towel and felt the softness of the treated towel (double-blind test). The softness of the treated towels was rated on a scale of 1 to 5, where 1 represents the least softness and 5 represents the most softness. Subsequently, the average softness rating of towels treated by the same sample (n=25) was calculated.Table 2

[00226] As illustrated in Table 2, Sample 2 provided enhanced softening performance compared to Samples 1, 3 and 4. Notably, Sample 2 provided enhanced softening performance compared to samples comprising TEP and a cationic guar alone (Sample 3) or TEP and a non-ionic guar alone (Sample 4), in which the total amounts of the polysaccharides present in these samples (Samples 2 to 4) were equal. Example 2: Fragrance longevity test on wet towels
[00227] The fabric conditioning composition samples were prepared according to the following formulation (shown in Table 3) using the procedure mentioned above: Table 3

[00228] For the perfume longevity test, 2 grams of each of the samples were diluted in 1 liter of water. Afterwards, towels were immersed in water containing different samples (1 towel for each sample), respectively, for 10 min. Afterwards, the treated towels were removed, spread out for 5 min and subsequently sealed in bags respectively to prevent the emission of perfume odor. Then the towels were removed and the odor intensity of each treated towel was immediately rated by 10 independent researchers (double-blind test). The odor intensity of the treated towels was rated on a scale of 1 to 4, where 1 represents the weakest pain and 4 represents the strongest odor. Subsequently, the average odor intensity rating of towels treated by the same sample (n=10) was calculated. Example 3: Perfume longevity test for dry towels
[00229] The fabric conditioning composition samples were prepared and the test was performed in the same manner as described in Example 2, except that the towels, after centrifugation, were dried overnight before the towels odor was classified. . Table 4

[00230] As illustrated in Table 4, in both the wet towel test and the dry towel test, towels treated by Sample 5 exhibited a more pronounced odor after treatment (after treatment and drying for the dry towel test ), compared to those treated by Sample 6. The results indicated that the addition of cationic guar and non-ionic guar in the fabric conditioning composition provided improved perfume longevity. Example 4: Softener performance test and perfume longevity test for various polysaccharides
[00231] The fabric conditioning composition samples were prepared according to the formulation shown in Table 5 below: Table 5



[00232] The samples were subjected to fabric softening test and perfume longevity test (dry towels) which were conducted according to the methods as described above. The results are shown in Table 6 below.Table 6

[00233] As illustrated by the results in Table 6, samples containing a quat, a cationic polysaccharide and a non-ionic polysaccharide exhibited enhanced fabric softening performance and improved perfume release compared to those containing a quat and a single polysaccharide.

权利要求:
Claims (15)
[0001]
1. A method of enhancing the fragrance or perfume longevity of a composition characterized in that it is by adding to the composition (a) a quaternary ammonium compound; (b) a cationic polysaccharide; (c) a non-ionic polysaccharide; and (d) a fragrance or perfume material.
[0002]
2. Method according to claim 1, characterized in that the cationic polysaccharide is a cationic guar.
[0003]
3. Method according to claim 1 or 2, characterized in that the non-ionic polysaccharide is a non-ionic guar.
[0004]
A method according to any one of claims 1 to 4, characterized in that the cationic polysaccharide has an average molecular weight between 100,000 daltons to 1,500,000 daltons.
[0005]
5. Method according to any one of claims 1 to 4, characterized in that the quaternary ammonium compound has the general formula (I): [N+(R1)(R2)(R3)(R4)]yX - (I) wherein: R1, R2, R3 and R4, which may be the same or different, is a C1-C30 hydrocarbon group optionally containing a heteroatom or an ester or an amide group; X is an anion; y is the valence of X.
[0006]
6. Method according to any one of claims 1 to 5, characterized in that the quaternary ammonium compound has the general formula (II): [N+(R5)2(R6)(R7)]yX-( II) wherein: R5 is a C16-22 aliphatic group; R6 is a C1-C3 alkyl group; R7 is R5 or R6; X is an anion; y is the valence of X.
[0007]
7. Method according to any one of claims 1 to 6, characterized in that the quaternary ammonium compound has the general formula (III): [N+((CH2)nT-R8)2(R8)(R9) )]γX-(III) wherein: the group R9 is independently selected from C1-C4 alkyl or a hydroxyalkyl group; R8 group is independently selected from C1-C30 alkyl or an alkenyl group; T is -C(=O)-O-; n is an integer from 0 to 5; X is an anion; y is the valence of X.
[0008]
8. Method according to any one of claims 1 to 7, characterized in that the quaternary ammonium compound has the general formula (IV): [N+(C2H4-OOCR10)2(CH3)(C2H4-OH) ](CH3)zSO4-(IV) wherein R10 is a C12-C20 alkyl group; z is an integer from 1 to 3.
[0009]
9. Method according to any one of claims 1 to 8, characterized in that the quaternary ammonium compound is chosen from the group consisting of: TET: tallow di(carboxymethyl)hydroxyethyl methyl ammonium methylsulfate; TEO: oil di(carboxyethyl)hydroxyethyl methyl ammonium methyl sulfate; TES: distearyl hydroxyethyl methyl ammonium methyl sulfate; TEHT: di(carboxyethyl)hydroxyethyl methyl ammonium methyl sulphate from hydrogenated tallow; TEP: di(palmiticcarboxyethyl)hydroxyethyl methyl ammonium methyl sulfate; DEEDMAC: dimethylbis[2[(1-oxooctadecyl)oxy]ethyl]ammonium chloride.
[0010]
A method according to any one of claims 1 to 9, characterized in that the composition comprises between 0.01 to 10% by weight of the fragrance or perfume material based on the total weight of the composition.
[0011]
A method according to any one of claims 1 to 10, characterized in that the composition comprises between 0.01 to 5% by weight of the fragrance or perfume material based on the total weight of the composition.
[0012]
12. Method according to any one of claims 1 to 11, characterized in that the proportion by weight of the quaternary ammonium compound in the composition and the total weight of the cationic polysaccharide and the non-ionic polysaccharide in the composition is between 100: 1 and 2:1.
[0013]
13. Method according to any one of claims 1 to 12, characterized in that the proportion by weight of the quaternary ammonium compound in the composition and the total weight of the cationic polysaccharide and the non-ionic polysaccharide in the composition is between 30: 1 and 5:1.
[0014]
14. Method according to any one of claims 1 to 13, characterized in that the composition further comprises an inorganic salt.
[0015]
A method according to any one of claims 1 to 14, characterized in that the composition is a fabric conditioning composition.

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WO2020234061A1|2019-05-21|2020-11-26|Rhodia Operations|Fabric conditioning composition|

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WO2021222079A1|2020-04-29|2021-11-04|Stepan Company|Solid compositions containing amine, protonated amine or quaternary ammonium compounds|

法律状态:
2019-12-17| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2021-11-30| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2022-02-01| 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 15/01/2015, 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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EP14173005.1|2014-06-18|

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EP14173005|2014-06-18|

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PCT/EP2015/050701|WO2015192974A1|2014-06-18|2015-01-15|Method of use of composition comprising a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide|

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