FLUID COMPOSITION COMPRISING AN ESTER-TERMINATED POLY(ESTER-AMIDE) POLYMER, A VOLATILE ALKANE, A MONOALCOHOL AND AT LEAST ONE PIGMENT

Abstract

The present invention relates to a fluid composition, especially comprising a physiologically acceptable medium, especially for coating keratin materials, more particularly for making up and/or caring for keratin materials such as the skin, and containing: a) at least one ester-terminated poly(ester-amide) polymer; and b) at least one volatile alkane; and c) at least one monoalcohol comprising from 2 to 8 carbon atoms; and d) a particulate phase comprising at least one pigment. The invention also relates to a process for coating keratin materials, more particularly for making up and/or caring for keratin materials, such as the skin, characterized in that it comprises the application to the keratin materials of a composition as defined previously. The present invention also relates to a cosmetic assembly comprising—a composition as defined previously—a device for applying said composition to the keratin materials.

Claims

1. A fluid composition, comprising: a physiologically acceptable medium; a) at least one ester-terminated poly(ester-amide) polymer; b) at least one volatile alkane; c) at least one monoalcohol comprising from 2 to 8 carbon atoms; and d) a particulate phase comprising at least one pigment.

2. The fluid composition according to claim 1, wherein the ester-terminated poly(ester-amide) (ETPEA) polymer(s) are in the form of a resin prepared by reacting a diacid, a diamine, a polyol and a monoalcohol, in which: (i) at least 50 equivalent % of said diacid comprises a polymerized fatty acid and (ii) at least 50 equivalent % of said diamine comprises ethylenediamine.

3. The fluid composition according to claim 1, wherein the diacid is a C.sub.36 hydrogenated linoleic acid dimer.

4. The fluid composition according to claim 1, wherein the diamine is ethylenediamine.

5. The fluid composition according to claim 1, wherein the monoalcohol is stearyl alcohol.

6. The fluid composition according to claim 1, wherein the monoalcohol is neopentyl glycol.

7. The fluid composition according to claim 1, wherein said ester-terminated poly(ester-amide) polymer is a polymer having the INCI name Polyamide-8.

8. The fluid composition according to claim 1, wherein the ester-terminated poly(ester-amide) polymer(s) is (are) present in the composition in a content ranging from 1% to 35% by weight, relative to the total weight of said composition.

9. The fluid composition according to claim 1, wherein the volatile alkane(s) is (are) a branched volatile alkane.

10. The fluid composition according to claim 1, wherein the volatile alkane(s) is (are) present in the composition in concentrations ranging from 35% to 95% by weight relative to the total weight of the composition.

11. The fluid composition according to claim 1, wherein said monoalcohol is ethanol.

12. The fluid composition according to claim 1, wherein said composition comprises a ratio of ester-terminated poly(ester-amide) polymer(s) to the particulate phase greater than 0.5.

13. The fluid composition according to claim 1, wherein said composition comprises a ratio of alcohol(s) to alkane(s) of greater than 0.04.

14. The fluid composition according to claim 1, comprising at least one pigment selected from the group consisting of iron oxides and titanium dioxides.

15. The fluid composition according to claim 1, comprising at least 5% by weight of pigments, relative to the total weight of said composition.

16. The fluid composition according to claim 1, which is in the form of an anhydrous composition.

17. A process for coating keratin materials, comprising the application to the keratin materials of a composition according to claim 1.

Description

EXAMPLES

[0356]

TABLE-US-00001 EXAMPLE 1 ACCORDING TO THE COMPARATIVE COMPARATIVE COMPARATIVE INGREDIENTS INVENTION EXAMPLE 2 EXAMPLE 3 EXAMPLE 4 Oleocraft LP-20 (Croda) 25% 25% — — (Polyamide-8) Ethanol 10% 10% 10% Isododecane qs100% qs100% qs100% qs100% Silsoft 74 (Momentive — — — 25% A.M* Performance Materials) (trimethylsiloxysilicate at 75% in isododecane) Dow Corning ® 2-8178 — — — 25% geller (Nylon- 611/dimethicone copolymer) Yellow iron oxide coated 15% 15% 15% 15% with aluminium stearoyl glutamate Red iron oxide coated with aluminium stearoyl glutamate Black iron oxide coated with aluminium stearoyl glutamate Titanium dioxide coated with aluminium stearoyl glutamate *A.M: Active Material

[0357] Procedure of Implementation Example 1 according to the invention: the ingredients are mixed for 1 hour at 90° C. with a Rayneri mixer.

[0358] Procedure of Comparative Example 2: the ingredients are mixed for 1 hour at 90° C. with a Rayneri mixer.

[0359] Procedure of Comparative Examples 3 and 4: the ingredients are mixed for 2 hours at ambient temperature with a Rayneri mixer.

[0360] Rheological measurements are carried out on these compositions. The measurements of the complex modulus of rigidity G* are carried out using a Haake RS600 rheometer on a product at rest, at 25° C. The following results are obtained:

TABLE-US-00002 EXAMPLE 1 ACCORDING TO THE COMPARATIVE COMPARATIVE COMPARATIVE INVENTION EXAMPLE 2 EXAMPLE 3 EXAMPLE 4 SPINDLE Plate/cone Plate/cone Plate/cone Plate/cone GEOMETRY spindle spindle spindle spindle Ø 60 mm/2° Ø 20 mm/1° Ø 60 mm/2° Ø 60 mm/2° COMPLEX 111 Pa 36 700 Pa <1 Pa 15 Pa MODULUS OF RIGIDITY G* (stress (τ) = 1 Pa)

[0361] The compositions are applied to the skin. After drying (tests carried out after 1 hour of drying at ambient temperature), the following results are obtained:

[0362] The deposit formed by the composition of the implementation example according to the invention has a good wear property on the skin and a high fluidity, thus making it easy to apply. It has, moreover, good resistance to water and to soap. The resistance to water and to soap may be desired for making up the body, with the makeup result being resistant to showering, or making up the hands, with the makeup result withstanding washing of the hands.

[0363] The ethanol-free composition of Comparative Example 2 forms a gel which is more difficult to take up and to apply.

[0364] The composition with trimethylsiloxysilicate resin of Comparative Example 3 forms a deposit after application and drying on the skin which has a worse wear property than the deposit formed by the composition of the implementation example. The deposit formed by the composition of Comparative Example 3 crumbles when the deposit is rubbed with the finger, whereas the deposit formed by the composition of the implementation example remain intact.

[0365] The composition with Nylon-611/Dimethicone copolymer of Comparative Example 4 forms a deposit after application and drying on the skin which does not persist on the skin. When the deposit is rubbed with the finger, it is removed in the form of pilling.