NON-DYEING COMPOSITION COMPRISING A CATIONIC ACRYLIC COPOLYMER AND A CONDITIONING AGENT

Abstract

The present invention relates to a non-dyeing composition comprising: (i) one or more cationic acrylic copolymers comprising at least the units obtained from the following monomers: a) monomer derived from acrylic or methacrylic esters or amides and comprising at least one cationic group, and b) alkyl acrylate or methacrylate monomer, the alkyl radical comprising from 1 to 30 carbon atoms, preferably 1 to 22 carbon atoms, better still 1 to 10 carbon atoms and preferentially 2 to 6 carbon atoms. and (ii) one or more conditioning agents chosen from functionalized silicones, cationic polymers and cationic surfactants, and mixtures thereof.

Claims

1.-12. (canceled)

13. A non-dyeing composition comprising: (i) at least one cationic acrylic copolymer comprising at least the units obtained from the following monomers: a) monomer derived from acrylic or methacrylic esters or amides and comprising at least one cationic group, and b) alkyl acrylate or methacrylate monomer, the alkyl radical comprising from 1 to 30 carbon atoms, and (ii) at least one conditioning agent chosen from functionalized silicones, cationic polymers, cationic surfactants, or mixtures thereof.

14. The composition according to claim 13, wherein the at least one acrylic cationic copolymer further comprises c) at least a third unit obtained from a polymerizable ethylenic monomer having the following formula: ##STR00029## wherein R and R, which may be identical or different, are chosen from a hydrogen atom, a C.sub.1-C.sub.10 or C.sub.1-C.sub.4 alkyl radical, a methyl radical, or an ethyl radical; x ranges from 1 to 10.

15. The composition according to claim 13, wherein the at least one acrylic cationic copolymer comprises at least the units obtained from the following monomers: a) monomer derived from acrylic or methacrylic esters or amides and comprising at least one cationic group, having the following formulae: ##STR00030## wherein: R.sub.3, which may be identical or different, is chosen from a hydrogen atom or a CH.sub.3 group; A, which may be identical or different, are chosen from a linear or branched divalent alkyl group of 1 to 6 carbon atoms or 2 or 3 carbon atoms, or a hydroxyalkyl group of 1 to 4 carbon atoms; R.sub.4, R.sub.5 and R.sub.6, which may be identical or different, are chosen from an alkyl group containing from 1 to 18 carbon atoms, a benzyl group, or an alkyl group containing from 1 to 6 carbon atoms; R.sub.1 and R.sub.2, which may be identical or different, are chosen from a hydrogen atom, an alkyl group containing from 1 to 6 carbon atoms, methyl, or ethyl; X is chosen from an anion derived from a mineral or organic acid, a methosulfate anion, a halide, chloride, or bromide; b) C.sub.1-C.sub.30, C.sub.1-C.sub.22, C.sub.1-C.sub.10, or C.sub.2-C.sub.6 alkyl acrylate or methacrylate monomer.

16. The composition according to claim 13, wherein the at least one acrylic cationic copolymer comprises at least the units obtained from the following monomers: a) monomer derived from acrylic or methacrylic esters or amides and comprising at least one cationic group, having the following formulae: ##STR00031## wherein: R.sub.3, which may be identical or different, is chosen from a hydrogen atom or a CH.sub.3 group; A, which may be identical or different, is chosen from a linear or branched divalent alkyl group of 1 to 6 carbon atoms or 2 or 3 carbon atoms, or a hydroxyalkyl group of 1 to 4 carbon atoms; R.sub.4, R.sub.5 and R.sub.6, which may be identical or different, are chosen from an alkyl group containing from 1 to 18 carbon atoms, a benzyl group, or an alkyl group containing from 1 to 6 carbon atoms; R.sub.1 and R.sub.2, which may be identical or different, are chosen from a hydrogen atom, an alkyl group containing from 1 to 6 carbon atoms, methyl, or ethyl; X is chosen from an anion derived from a mineral or organic acid, a methosulfate anion, a halide, chloride, or bromide; b) C.sub.1-C.sub.30, C.sub.1-C.sub.22, C.sub.1-C.sub.10, or C.sub.2-C.sub.6 alkyl acrylate or methacrylate monomer; and c) at least a third unit obtained from a polymerizable ethylenic monomer having the following formula: ##STR00032## wherein R and R, which may be identical or different, are chosen from a hydrogen atom, a C.sub.1-C.sub.10 or C.sub.1-C.sub.4 alkyl radical, a methyl radical, or an ethyl radical; x ranges from 1 to 10.

17. The composition according to claim 13, wherein the at least one acrylic cationic copolymer comprises at least the units obtained from the following monomers: a) methacryloyloxyethyltrimethylammonium salt, b) butyl methacrylate, or c) ethoxyethyl methacrylate.

18. The composition according to claim 13, wherein the total amount of the at least one cationic acrylic copolymer ranges from 0.05% to 15% by weight, relative to the total weight of the composition.

19. The composition according to claim 13, wherein the at least one conditioning agent is a functionalized silicone comprising a functional group chosen from amine groups, alkoxy groups, hydroxyl groups, or reactive groups.

20. The composition according to claim 13, wherein the at least one conditioning agent is an amino silicone.

21. The composition according to claim 20, wherein the amino silicone is chosen from multiblock polyoxyalkylenated amino silicones of (AB)n type, A being a polysiloxane block and B being a polyoxyalkylene block comprising at least one amine group.

22. The composition according to claim 13, wherein the total amount of the at least one conditioning agent ranges from 0.01% to 15% by weight, relative to the total weight of the composition.

23. A cosmetic process for treating keratin fibres, the process comprising applying to said keratin fibres a composition comprising: (i) at least one cationic acrylic copolymer comprising at least the units obtained from the following monomers: a) monomer derived from acrylic or methacrylic esters or amides and comprising at least one cationic group, and b) alkyl acrylate or methacrylate monomer, the alkyl radical comprising from 1 to 30 carbon atoms, and (ii) at least one conditioning agent chosen from functionalized silicones, cationic polymers, cationic surfactants, or mixtures thereof.

24. A cosmetic process for treating hair, the process comprising applying to said hair a composition comprising: (i) at least one cationic acrylic copolymer comprising at least the units obtained from the following monomers: a) monomer derived from acrylic or methacrylic esters or amides and comprising at least one cationic group, and b) alkyl acrylate or methacrylate monomer, the alkyl radical comprising from 1 to 30 carbon atoms, and (ii) at least one conditioning agent chosen from functionalized silicones, cationic polymers, cationic surfactants, or mixtures thereof.

Description

EXAMPLES

[0423] In the examples that follow, all the amounts are given, unless otherwise indicated, as mass percentages relative to the total weight of the composition (AM: active material).

Example 1

I. Compositions Tested

Examples of Compositions According to the Invention

[0424] Compositions A and B according to the invention and comparative compositions C and D were prepared using the ingredients whose contents are indicated in the table below as weight percentages.

TABLE-US-00001 C D A B (comp) (comp) Copolymer 1 (containing 30% active 16.7 16.7 16.7 material in ethanol) (1) PEG-40/PPG-8 6.7 6.7 Methylaminopropyl/hydroxypropyl dimethicone copolymer at 30% in a glycerin/dipropylene glycol/water mixture (2) Behenyltrimethylammonium chloride 1 (79% AM, 18% isopropanol) (3) Stearyl alcohol 1.5 Amodimethicone (58%), Trideceth-6 1 and cetrimonium chloride (4) Dimethicone (50%), Laureth-23, 5 Laureth-4 (5) PPG-5-Ceteth-20 0.2 Phenoxyethanol 0.7 Ethanol 38.6 38.6 38.6 38.6 Water qs qs qs qs 100% 100% 100% 100% (1) Plascize L-514 (2) Silsoft A+ from Momentive (3) Genamine KPMD from Clariant (4) Xiameter MEM-8299 from Dow Corning (5) Xiameter MEM-2664

II. Application Protocols and Persistence Evaluation

[0425] The application protocol was as follows: [0426] Shampooing [0427] Application of the composition onto wet natural hair [0428] Predrying with a hairdryer [0429] Blow-drying with a hairdryer

[0430] The evaluation protocol after drying relates to the impact on the shape, the cosmetic criteria (feel) and the appearance criteria (TEM visualization, macroscopic effects, static electricity).

[0431] The persistence evaluation protocol is as follows: Performance of several cycles: [0432] Wetting of the hair [0433] Shampooing [0434] Rinsing [0435] Drying with a hairdryer

[0436] The evaluation relates to the impact on the shape, the cosmetic criteria (feel) and the appearance criteria of the locks.

III. Results

[0437] The sensorily evaluated locks of hair lead to the following observations:

[0438] COMPOSITION A: This coating sensorily gives the head of hair a mass, body and styling effect and also reinforcement at T0 and after shampooing. The shaping is facilitated. The split ends are rewelded together, for up to at least 5 shampoo washes. The working qualities of composition A are good, the product is easy to distribute, and brushing during the heat treatment presents no difficulties. The feel of the dry hair is good, and even after 1 and 5 shampoo washes the product is still perceptible on the fibre (good disentangling on wet and dry hair, good feel, individualized hairs, no tack during the heat treatments). There is no sign of static electricity.

[0439] COMPOSITION C: This coating sensorily gives the head of hair a mass, body and styling effect and also reinforcement at T0 and after shampooing. The split ends are rewelded together, for up to at least 5 shampoo washes. However, Copolymer 1 gives rise to a dragging, catching, tack sensation during brushing. Composition C distributes poorly over the head of hair. Dry hair after treatment has an acceptable feel, but this feel once again becomes poor when the hair is moistened and/or shampooed. Disentangling is very difficult. Separation of the individual hairs is observed, which is associated with repellent interactions of static electricity type.

[0440] COMPOSITION D: Good working qualities are observed, i.e. good distribution of the composition, easy blow-drying and easy brushing of the hair. After drying, the hair feels good. Moistened and/or shampooed hair is easy to disentangle. However, there is no shaping effect besides a manageability effect. After one shampoo wash, the hair regains its initial feel, and the effects afforded by composition D are no longer perceptible.

Example 2

I. Preparation of the Compositions

[0441] Compositions E1 and F1 according to the invention and comparative compositions E2, E3, F2 and F3 were prepared using the ingredients indicated in the tables below. The amounts are indicated in weight percentage of active material.

TABLE-US-00002 E1 (inv) E2 (comp) E3 (comp) Copolymer 1 (% am) (1) 5 5 Copolymer of vinylpyrrolidone 1 1 and quaternized vinylimidazole (% am) (2) Ethanol qs 100% qs 100% qs 100% (1) Plascize L-514 (2) Polyquaternium-16

TABLE-US-00003 F1 (inv) F2 (comp) F3 (comp) Copolymer 1 (% am) (1) 5 5 Behentrimonium chloride (% am) 1 1 Ethanol qs 100% qs 100% qs 100% (1) Plascize L-514

II. Application Protocol

[0442] Compositions E1, E2, E3, F1, F2 and F3 are applied on weakly sensitized locks of hair (alkaline solubility=20%, SA20), which have been beforehand washed. 0.15 g of composition per gram of locks is applied.

[0443] In order to evaluate the persistence of disentangling performance, locks of hair are then washed with a standard shampoo and rinsed.

III. Evaluation and Results

[0444] Performances in terms of persistence of disentangling criteria (wet hair) have been evaluated on a scale from 0 (very bad) to 5 (very good):

TABLE-US-00004 Scale Evaluation 0 Very bad 0.5 Very bad/Bad 1 Bad 1.5 Fairly bad/Bad 2 Fairly bad 2.5 Average 3 Fairly good 3.5 Good/Fairly good 4 Good 4.5 Very good/Good 5 Very good

[0445] The expert grabs a comb into the locks of hair, from the root to the tip, and evaluates the easiness of passage.

[0446] Results are indicated in the tables below:

TABLE-US-00005 E1 (inv) E2 (comp) E3 (comp) After one shampoo 3 1.5 2

TABLE-US-00006 F1 (inv) F2 (comp) F3 (comp) After one shampoo 3 1.5 2

[0447] Locks of hair, which have been treated by compositions E1 or F1 according to the invention, have a better disentangling level after one shampoo than locks of hair which have been treated by compositions E2 and E3, or respectively F2 and F3.

[0448] As a consequence, the disentangling level after one shampoo has been improved in comparison with the prior art.