Composition comprising perlite and a polymer bearing a carbosiloxane dendrimer-based unit

Abstract

The present invention concerns a composition comprising a physiologically acceptable medium containing perlite and at least one vinyl polymer bearing at least one carbosiloxane dendrimer-based unit. The composition is used in the care of and for making up the skin, in particular to provide a matt effect.

Claims

1. Composition comprising a physiologically acceptable medium containing perlite and at least one vinyl polymer bearing at least one carbosiloxane dendrimer-based unit, wherein the vinyl polymer containing at least one carbosiloxane dendrimer-based unit has a molecular side chain containing a carbosiloxane dendrimer structure, and is the product of polymerization of: (A) from 0 to 99.9 parts by weight of a vinyl monomer; and (B) from 100 to 0.1 part by weight of a carbosiloxane dendrimer of formula (I) below: ##STR00016## in which: R.sup.1 represents an aryl group of 5 to 10 carbon atoms or an alkyl group of 1 to 10 carbon atoms; X.sup.i represents a silylalkyl group which, when i=1, is represented by formula (II): ##STR00017## wherein: R.sup.1 is as defined above in formula (I), R.sup.2 represents an alkylene radical of 2 to 10 carbon atoms, R.sup.3 represents an alkyl group of 1 to 10 carbon atoms, X.sup.i+1 is chosen from: a hydrogen atom, an alkyl group of 1 to 10 carbon atoms, an aryl group of 5 to 10 carbon atoms and a silylalkyl group defined above of formula (II) with i=i+1, i is an integer from 1 to 10 which represents the generation of the said silylalkyl group, and a.sup.i is an integer from 0 to 3; Y represents a radical-polymerizable organic group chosen from: organic groups containing a methacrylic group or an acrylic group, the said organic groups being represented by the formulae: ##STR00018## wherein: R.sup.4 represents a hydrogen atom or an alkyl group of 1 to 10 carbon atoms; and R.sup.5 represents an alkylene group of 1 to 10 carbon atoms; and organic groups containing a styryl group of formula: ##STR00019## wherein: R.sup.6 represents a hydrogen atom or an alkyl group of 1 to 10 carbon atoms; R.sup.7 represents an alkyl group of 1 to 10 carbon atoms; R.sup.8 represents an alkylene group of 1 to 10 carbon atoms; b is an integer from 0 to 4; and c is 0 or 1, such that if c is 0, (R.sup.8).sub.c represents a bond.

2. Composition according to claim 1, wherein the carbosiloxane dendrimer is represented by the following formula: ##STR00020## wherien: each a.sup.1, a.sup.2 and a.sup.3 is individually an integer from 0 to 3; and R.sup.12 is H, an aryl group of 5 to 10 carbon atoms or an alkyl group of 1 to 10 carbon atoms.

3. Composition according claim 1, wherein the carbosiloxane dendrimer is represented by one of the following formulae: ##STR00021##

4. Composition according claim 1, wherein the vinyl polymer bearing at least one carbosiloxane dendrimer-based unit is present in an active material content of from 0.5% to 20% by weight relative to the total weight of the said composition.

5. Composition according to claim 1, wherein the perlite is in the form of particles, at least 50% of the particles of which are smaller than 25 m in size.

6. Composition according to claim 1, wherein the perlite represents from 0.001% to 15%, by weight relative to the total weight of the said composition.

7. Composition according to claim 1, comprising a fatty phase.

8. Composition according to claim 1 which is, in the form of an emulsion.

9. Composition according claim 1, comprising a lipophilic structuring agent.

10. Composition according to claim 1, comprising a dyestuff.

11. Composition according to claim 1, comprising a thickener or gelling agent.

12. Composition according to claim 1, in the form of fluid foundation.

13. A method for making up and/or caring for the skin comprising applying to the skin a cosmetic composition of claim 1.

14. Composition according claim 3, wherein the vinyl polymer bearing at least one carbosiloxane dendrimer-based unit is present in an active material content of from 0.5% to 20% by weight relative to the total weight of the said composition.

15. Composition according to claim 3, wherein the perlite is in the form of particles, at least 50% of the particles of which are smaller than 25 m in size.

16. Composition according to claim 3, wherein the perlite represents from 0.001% to 15%.

17. Composition according claim 1, wherein the vinyl polymer bearing at least one carbosiloxane dendrimer-based unit is present in an active material content of from 2-10% by weight relative to the total weight of the said composition.

18. Composition according claim 3, wherein the vinyl polymer bearing at least one carbosiloxane dendrimer-based unit is present in an active material content of from 3% to 5% by weight relative to the total weight of the said composition.

19. Composition according to claim 1 comprising from 0.001% to 15% of perlite and 0.5% to 20% of at least one vinyl polymer bearing at least one carbosiloxane dendrimer-based unit, wherein the percentages are by weight relative to the total weight of said composition.

Description

EXAMPLES

Influence of the Nature of the Polymer on the Remanence of the Matt Effect

(1) The fluid foundation Examples 1 and 2 make it possible to show that the dendrimer acrylate silicone of the invention affords better remanence of the matt effect than a silicone resin.

(2) TABLE-US-00001 Example 1 Example 2 (Invention) (comparative) % mass % mass A1 Dimethicone copolyol sold under the reference KF 2.00 2.00 6017 by the company Shin-Etsu Cetyl PEG/PPG-10/1 dimethicone sold under the 1.00 1.00 reference Abil EM 90 by the company Goldschmidt Cyclohexasiloxane 8.20 8.20 Isododecane 1.00 Isohexadecane 1.60 1.60 Ethyl hexyl methoxycinnamate 3.00 3.00 A2 Butyl acrylate copolymer containing dendritic silicone 10.00 side chains: Tris((trimethylsiloxy)siloxyethyldimethylsiloxy)silylpropyl methacrylate in isododecane (40/60) sold under the reference Dow Corning FA 4002 ID by Dow Corning. Trimethyl siloxysilicate resin sold under the reference 4.00 SR 1000 by the company Momentive Performance Materials Isododecane 7.00 A3 Cyclohexasiloxane 7.50 7.50 Yellow iron oxide coated with aluminium stearoyl 2.15 2.15 glutamate Red iron oxide mated with aluminium stearoyl 0.64 0.64 glutamate Black iron oxide coated with aluminium stearoyl 0.23 0.23 glutamate Titanium dioxide coated with aluminium stearoyl 8.98 8.98 glutamate A4 Nylon 12 powder sold under the reference Orgasol 3.00 3.00 2002 EXD NAT COS by the company Arkema Silica microspheres sold under the reference SB 700 1.00 1.00 by the company Miyoshi Kasei Perlite sold under the reference Optimat 2550 OR by 0.20 0.20 the company World Minerals A5 Fragrance 0.30 0.30 B Demineralized water 34.50 34.50 Butylene glycol 6.00 6.00 Magnesium sulfate 0.70 0.70 C Ethanol 8.00 8.00 TOTAL 100% 100%

Procedure Example 1

(3) The constituents of phase A1 are weighed out in the main beaker and are stirred with a Moritz blender (1000 rpm) while maintaining at room temperature.

(4) Next, phase A2 is added at room temperature, by stirring using a Moritz blender (1000 rpm) until homogenized.

(5) Phase A3 is prepared separately by milling three times in a three-roll mill the mixture of pigments and of cyclohexasiloxane.

(6) This phase A3 is then added, with continued stirring, along with phases A4 and A5.

(7) The aqueous phase B is also prepared separately, by weighing out in a beaker the butylene glycol and the magnesium sulfate, and by adding water preheated to 95 C.

(8) The aqueous phase is stirred using a magnetic bar until homogenized.

(9) The emulsion is prepared at room temperature: the aqueous phase B is poured into the fatty phase while gradually increasing the stirring speed (Moritz blender) up to 4000 rpm. Stirring is continued for 10 minutes.

(10) Phase C (ethanol) is finally added.

(11) The product obtained is stirred using a Rayneri blender (paddles) for 10 minutes between 50 and 60 rpm.

Procedure Example 2

(12) The constituents of phase A1 are weighed out in the main beaker and are stirred with a Moritz blender (1000 rpm) while maintaining at room temperature.

(13) Phase A2 is prepared beforehand by dispersing the silicone resin in the isododecane with stirring using a Rayneri blender equipped with a deflocculator paddle (about 100 rpm).

(14) Next, phase A2 is added at room temperature, by stirring using a Moritz blender (1000 rpm) until homogenized.

(15) Phase A3 is prepared separately by milling three times in a three-roll mill the mixture of pigments and of cyclohexasiloxane.

(16) This phase A3 is then added, with continued stirring, along with phases A4 and A5.

(17) The aqueous phase B is also prepared separately, by weighing out in a beaker the butylene glycol and the magnesium sulfate, and by adding water preheated to 95 C.

(18) The aqueous phase is stirred using a magnetic bar until homogenized.

(19) The emulsion is prepared at room temperature: the aqueous phase B is poured into the fatty phase while gradually increasing the stirring speed (Moritz blender) up to 4000 rpm. Stirring is continued for 10 minutes.

(20) Phase C (ethanol) is finally added.

(21) The product obtained is stirred using a Rayneri blender (paddles) for 10 minutes between 50 and 60 rpm.

(22) TABLE-US-00002 Example 1 Example 2 (invention) (comparative) Nature of the polymer Butyl acrylate copolymer containing Trimethyl siloxysilicate dendritic silicone side chains: resin sold under the Tris((trimethylsiloxy)siloxyethyldi- reference SR 1000 by the methylsiloxy)silylpropyl methacrylate company Momentive in isododecane (40/60) sold under Performance Materials the reference Dow Corning FA 4002 ID by Dow Corning. Matt effect (Timm-T0) 3.61 4.56 Remanence of the matt 1.26 2.78 effect (T3h-Timm)

(23) These results show that the dendrimer acrylate silicone of the invention affords better remanence of the matt effect.

(24) Influence of the Nature of the Filler on the Remanence of the Matt Effect

(25) The fluid foundation Examples 1 and 3 make it possible to show that perlite affords better remanence of the matt effect than Nylon powder.

(26) The fluid foundation Examples 1 and 4 make it possible to show that perlite affords better remanence of the matt effect than silica.

(27) The matt effect and the remanence of the matt effect are measured according to the protocol indicated above.

(28) TABLE-US-00003 Example 1 Example 3 Example 4 (Invention) (comparative) (comparative) % mass % mass % mass A1 Dimethicone copolyol sold under the reference KF 2.00 2.00 2.00 6017 by the company Shin-Etsu Cetyl PEG/PPG-10/1 dimethicone sold under the 1.00 1.00 1.00 reference Abil EM 90 by the company Goldschmidt Cyclohexasiloxane 8.20 8.20 8.20 Isododecane 1.00 1.00 1.00 Isohexadecane 1.60 1.60 1.60 Ethyl hexyl methoxycinnamate 3.00 3.00 3.00 A2 Butyl acrylate copolymer containing dendritic silicone 10.00 10.00 10.00 side chains: Tris((trimethylsiloxy)siloxyethyldimethylsiloxy)silylpropyl methacrylate in isododecane (40/60) sold under the reference Dow Corning FA 4002 ID by Dow Corning. A3 Cyclohexasiloxane 7.50 7.50 7.50 Yellow iron oxide coated with aluminium stearoyl 2.15 2.15 2.15 glutamate Red iron oxide coated with aluminium stearoyl 0.64 0.64 0.64 glutamate Black iron oxide coated with aluminium stearoyl 0.23 0.23 0.23 glutamate Titanium dioxide coated with aluminium stearoyl 8.98 8.98 8.98 glutamate A4 Nylon 12 powder sold under the reference Orgasol 3.00 3.20 3.00 2002 EXD NAT COS by the company Arkema Silica microspheres sold under the reference SB 700 1.00 1.00 1.20 by the company Miyoshi Kasei Perlite sold under the reference Optimat 2550 OR by 0.20 the company World Minerals AS Fragrance 0.30 0.30 0.30 B Demineralized water 34.50 34.50 34.50 Butylene glycol 6.00 6.00 6.00 Magnesium sulfate 0.70 0.70 0.70 C Ethanol 8.00 8.00 8.00 TOTAL 100% 100% 100%

(29) Procedure:

(30) The procedure is identical to that of Example 1.

(31) TABLE-US-00004 Example 1 Example 3 Example 4 (invention) (comparative) (comparative) Nature of the filler Perlite sold under the Nylon 12 powder sold Silica microspheres reference Optimat 2550 under the reference sold under the OR by the company Orgasol 2002 EXD NAT reference SB 700 by World Minerals COS by the company the company Miyoshi Arkema Kasei Matt effect (Timm- 3.61 3.37 5.05 T0) Remanence of the 1.26 4.41 4.02 matt effect (T3h- Timm)

(32) These results show that perlite affords the best remanence of the matt effect, on one hand in comparison to nylon powder and on the other hand in comparison to silica.