COMPOSITION CONTAINING A LIQUID FATTY PHASE GELLED WITH A SEMI-CRYSTALLINE COPOLYMER
The invention relates to a semi-crystalline copolymer of organic structure with a melting point of greater than or equal to 30° C. obtained from at least two monomers A and B, A being a lipophilic monomer hearing crystallizable side chain(s) and B being an amorphous lipophilic monomer that is copolymerizable with A, characterized in that the units derived from the monomers A represent less than 50% by weight of the said copolymer. The invention also relates to cosmetic compositions comprising such a copolymer. This composition is in particular in the form of a soft paste that gives a glossy film on keratin materials, especially the lips.
1 - 44 . (canceled)
45 . A cosmetic composition comprising a liquid fatty phase and at least one semi-crystalline copolymer of organic structure having a melting point of greater than or equal to 30° C., obtained from at least two monomers A and B, wherein monomer A is a lipophilic monomer comprising at least one crystallizable side chain and monomer B is a monomer that is copolymerizable with A.
46 . The composition according to claim 45 , wherein the units derived from monomer A are present in an amount less than 50% by weight of the at least one semi-crystalline copolymer.
47 . The composition according to claim 45 , wherein monomer B is an amorphous lipophilic monomer.
48 . The composition according to claim 45 , wherein the at least one semi-crystalline copolymer structures the liquid fatty phase.
49 . The composition according to claim 45 , wherein the monomer A comprising at least one crystallizable side chain is chosen from at least one monomer of formula X:
wherein
M is an atom of the polymer skeleton,
S is a spacer, and
C is a crystallizable group,
and mixtures thereof,
wherein S—C is chosen from alkyl chains comprising at least 11 carbon atoms, which are optionally fluorinated or perfluorinated.
50 . The composition according to claim 49 , wherein the alkyl chain comprises from 11 to 40 carbon atoms.
51 . The composition according to claim 45 , wherein the monomer A is a lipophilic monomer comprising vinylic unsaturation comprising an optionally fluorinated hydrocarbon-based crystallizable chain comprising from 11 to 40 carbon atoms.
52 . The composition according to claim 45 , wherein the monomer A comprising at least one crystallizable side chain is chosen from saturated C 14 -C 24 alkyl (meth)acrylates, C 11 -C 15 perfluoroalkyl (meth)acrylates, C 14 -C 24 N-alkyl-(meth)acrylamides optionally substituted with at least one fluorine atom, vinyl esters comprising C 14 -C 24 alkyl or perfluoroalkyl chains, vinyl ethers comprising C 14 -C 24 alkyl or perfluoroalkyl chains, C 14 -C 24 α-olefins, and para-alkylstyrenes with an alkyl group comprising from 12 to 24 carbon atoms, and mixtures thereof.
53 . The composition according to claim 45 , wherein the monomer A comprises from 11 to 40 carbon atoms, at least six of which are fluorinated.
54 . The composition according to claim 45 , wherein the monomer B is a monomer comprising vinylic unsaturation.
55 . The composition according to claim 45 , wherein the monomer B is a non-ionizable monomer.
56 . The composition according to claim 45 , wherein the monomer B is a monomer comprising at least one C 4 -C 50 alkyl group.
57 . The composition according to claim 56 , wherein the monomer B is a monomer comprising at least one C 8 -C 30 alkyl group.
58 . The composition according to claim 56 , wherein the at least one C 4 -C 50 alkyl group is linear, branched, or cyclic.
59 . The composition according to claim 56 , wherein the at least one C 4 -C 50 alkyl group comprises at least one heteroatom.
60 . The composition according to claim 59 , wherein the at least one heteroatom is chosen from O, N, S, P, and Si.
61 . The composition according to claim 56 , wherein the hydrogen atoms of the at least one C 4 -C 50 alkyl group are partially substituted with halogen atoms.
62 . The composition according to claim 45 , wherein the monomer B comprises at least one branched alkyl group comprises from 4 to 50 carbon atoms.
63 . The composition according to claim 62 , wherein the at least one branched alkyl group comprises from 8 to 30 carbon atoms.
64 . The composition according to claim 62 , wherein the at least one branched alkyl group of the monomer B is chosen from isobutyl, tert-butyl, isopentyl, tert-hexyl, 2-ethylhexyl, tert-octyl, isononyl, isodecyl, isododecyl, neodecanoyl, isostearyl, octyldodecyl, methyltetradecyl isomers, methylpentadecyl isomers, methylhexadecyl isomers, dimethyltetradecyl isomers, and dimethylpentadecyl isomers.
65 . The composition according to claim 64 , wherein the at least one branched alkyl group of the monomer B is chosen from tert-butyl, tert-hexyl, 2-ethylhexyl, tert-octyl, isononyl, isododecyl, neodecanoyl, isostearyl, and octyldodecyl groups.
66 . The composition according to claim 45 , wherein the monomer B comprises at least one cyclic alkyl group and/or at least one linear alkyl group.
67 . The composition according to claim 66 , wherein the at least one cyclic alkyl group of the monomer B is chosen from saturated and unsaturated cyclic groups optionally comprising at least one linear or branched C 1 -C 15 alkyl substituent.
68 . The composition according to claim 67 , wherein the at least one cyclic alkyl group of the monomer B is chosen from saturated cyclic and cycloalkyl groups.
69 . A composition according to claim 68 , wherein the at least one cyclic alkyl group of the monomer B is chosen from cyclohexyl, isobornyl, norbornyl, and adamantyl groups.
70 . The composition according to claim 69 , wherein the at least one cyclic alkyl group of the monomer B is chosen from cyclohexyl and isobornyl groups.
71 . A composition according to claim 67 , wherein the at least one cyclic alkyl group of the monomer B is chosen from C 4 -C 15 alkyl benzoate.
72 . The composition according to claim 45 , wherein the monomer B is chosen from:
alkyl and cycloalkyl (meth)acrylates,
N-alkyl(meth)acrylamides, N,N-dialkyl(meth)acrylamides, and cycloalkyl (meth) acrylamides,
alkyl vinyl esters and cycloalkyl vinyl esters,
alkyl vinyl ethers and cycloalkyl vinyl ethers,
alkyl allyl ethers and cycloalkyl allyl ethers,
α-olefins comprising an alkyl or cycloalkyl group,
monoalkyl esters, dialkyl esters, and cycloalkyl esters,
maleic acid and itaconic acid amides, and
mixtures thereof.
73 . A composition according to claim 72 , wherein the monomer B is chosen from maleic acid and itaconic acid esters.
74 . The composition according to claim 45 , wherein the monomer B comprises at least one linear alkyl group comprising from 4 to 11 carbon atoms.
75 . The composition according to claim 74 , wherein the monomer B comprises at least one linear alkyl group comprising from 8 to 11 carbon atoms.
76 . The composition according to claim 72 , wherein the N-alkyl group of the N-alkyl(meth)acrylamides is chosen from n-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl, n-decyl, n-undecyl, and mixtures thereof.
77 . The composition according to claim 72 , wherein at least one of the alkyl groups of the N,N-dialkyl group of the N,N-dialkyl(meth)acrylamides is C 4 -C 11 , and the other at least one alkyl group optionally being identical or different and comprising from 1 to 11 carbon atoms.
78 . The composition according to claim 45 , wherein the amount of units resulting from the polymerization of the monomer A in the copolymer ranges from 10% to 90% by weight, relative to the weight of the copolymer.
79 . The composition according to claim 78 , wherein the amount of units resulting from the polymerization of the monomer A in the copolymer ranges from 25% to 75% by weight, relative to the weight of the copolymer.
80 . The composition according to claim 45 , wherein the amount of units resulting from the polymerization of the monomer B in the copolymer ranges from 10% to 90% by weight, relative to the weight of the copolymer.
81 . The composition according to claim 80 , wherein the amount of units resulting from the polymerization of the monomer B in the copolymer ranges from 25% to 75% by weight, relative to the weight of the copolymer.
82 . The composition according to claim 45 , wherein the at least one semi-crystalline copolymer has a weight-average molecular mass ranging from 5,000 to 1,000,000.
83 . The composition according to claim 82 , wherein the at least one semi-crystalline copolymer has a weight-average molecular mass ranging from 15,000 to 500,000.
84 . The composition according to claim 45 , wherein the at least one semi-crystalline copolymer has a melting point above the temperature of the keratinous support intended to receive the composition.
85 . The composition according to claim 84 , wherein the keratinous support intended to receive the composition is chosen from the skin and the lips.
86 . The composition according to claim 45 , wherein the at least one semi-crystalline copolymer is present in an amount ranging from 0.1% to 80% by weight, relative to the total weight of the composition.
87 . The composition according to claim 86 , wherein the at least one semi-crystalline copolymer is present in an amount ranging from 5% to 25% by weight, relative to the total weight of the composition.
88 . The composition according to claim 45 , wherein the at least one semi-crystalline copolymer has a melting point of less than 50° C., and the composition further comprises at least one high-melting crystalline compound having a melting point of at least 50° C.
89 . The composition according to claim 88 , wherein the at least one high-melting crystalline compound is a polymer having a melting point (m.p. 1 ) of greater than or equal to 55° C. and less than or equal to 150° C.
90 . The composition according to claim 89 , wherein the at least one high-melting crystalline compound is a polymer having a melting point (m.p. 1 ) of greater than or equal to 60° C. and less than or equal to 130° C.
91 . The composition according to claim 89 , wherein the at least one high-melting crystalline compound is a semi-crystalline copolymer of organic structure, obtained from at least two monomers A and B, wherein monomer A is a lipophilic monomer comprising at least one crystallizable side chain and monomer B is a monomer that is copolymerizable with A, wherein the units derived from monomer A are present in an amount less than 50% by weight of the copolymer.
92 . The composition according to claim 89 , wherein the at least one high-melting crystalline compound is chosen from:
block copolymers of controlled-crystallization polyolefins,
aliphatic and aromatic polyester polycondensates and aliphatic/aromatic copolyesters,
homopolymers and copolymers comprising at least one crystallizable side chain, and
mixtures thereof.
93 . The composition according to claim 88 , wherein the at least one semi-crystalline copolymer having a melting point of less than 50° C. and the at least one high-melting crystalline compound having a melting point of at least 50° C. are present in a weight ratio ranging from 90/10 to 10/90.
94 . The composition according to claim 93 , wherein the at least one semi-crystalline copolymer having a melting point of less than 50° C. and the at least one high-melting crystalline compound having a melting point of at least 50° C. are present in a weight ratio of approximately 50/50.
95 . The composition according to claim 45 , wherein the composition is in anhydrous form.
96 . The composition according to claim 45 , wherein the composition is in the form chosen from a paste and a gel.
97 . The composition according to claim 45 , wherein the composition is in the form chosen from a mascara, an eyeliner, a foundation, a lipstick, a deodorant, a body makeup product, an eyeshadow, a makeup rouge, and a concealer product.
98 . A cosmetic makeup process comprising:
applying a composition to keratin materials, wherein the composition comprises: a liquid fatty phase and at least one semi-crystalline copolymer of organic structure having a melting point of greater than or equal to 30° C., obtained from at least two monomers A and B, wherein monomer A is a lipophilic monomer comprising at least one crystallizable side chain and monomer B is a monomer that is copolymerizable with A.
99 . A semi-crystalline copolymer of organic structure having a melting point of greater than or equal to 30° C. obtained from at least two monomers A and B, wherein monomer A is a lipophilic monomer comprising at least one crystallizable side chain and monomer B is a monomer that is copolymerizable with A, wherein the units derived from the monomer A are present in an amount less than 50% by weight of the said copolymer.
100 . A semi-crystalline copolymer of organic structure having a melting point of greater than or equal to 30° C. obtained from at least two monomers A and B, wherein monomer A is a lipophilic monomer comprising at least one crystallizable side chain and monomer B is an amorphous lipophilic monomer that is copolymerizable with A.