Patent FR-2907676-A1 (FR)
Title: Cosmetic composition useful for the makeup and care of skin, lips, eyelashes, eyebrows or nails, comprises oil and a copolymer comprising organopolysiloxane/polyurea copolymers and polysiloxane/polyurea/polyurethane copolymer
Inventor: MONDET JEAN
IPC: A61K8/87
Filed: 2006-10-25
Abstract: Cosmetic composition to be applied to the skin, lips, eyelashes, eyebrows or nails, comprises oil and a copolymer comprising organopolysiloxane/polyurea copolymers (I) and polysiloxane/polyurea/polyurethane copolymer (II). Cosmetic composition to be applied to the skin, lips, eyelashes, eyebrows or nails, comprises oil and a copolymer comprising organopolysiloxane/polyurea copolymers of formula -((Si(R 1)(R 3)-O) m-Si(R 2)(R 4)-X 1-G-R 0a-G-(B 1-GR 0a-G) x-X 1) z- (I) and polysiloxane/polyurea/polyurethane copolymer of formula -((A-X-S(R) 2-(O-S(R) 2) n-X-A-C(O)-NH-Y 1-NH-C(O)) a-(Z-D-Z-C(O)-NH-Y 1-NH-C(O)) b-(A-X-S(R) 2-(O-S(R) 2) n-X-A-C(O)-NH-Y 1-NH-C(O)-NH-Y 1-NH-C(O)) c) d- (II). R 1-R 4H, 1-40C hydrocarbon (optionally containing O, S and/or N, optionally substituted by F), 6-10C aryl (optionally substituted by 1-4C alkyl), polyorganosiloxanes (optionally containing O, S and/or N); X 11-30C alkylene di-yl (optionally containing O and/or N), preferably 1-10C alkylene di-yl; G : urethane of formula -O-CO-NH- or -NH-CO-O- and -urea of formula -N(R 6)-CO-N(R 6)-; R 6H or alkyl 1-20C; R 0a1-50C divalent alkylene, arylene, cycloalkylene, alkylarylene or arylalkylene, (optionally containing O, S and/or N and/or optionally substituted by F, OH, 3-8C cycloalkyl, 1-40C alkyl, 5-10C aryl, phenyl (optionally substituted by 1-3 groups of 1-3C alkyl, 1-3C hydroxyalkyl and 1-5C amino alkyl)), preferably hexamethylene, isophorone, 2,4-toluene, 2,6-toluene, 4,4'-dicyclohexylmethane, para-phenylene or 1,5-napthylene; B 11-50C divalent alkylene, arylene, cycloalkylene, alkylarylene or arylalkylene, (optionally containing O, S, N, Si, P and/or a part or whole of the hydrogen atoms are replaced by atoms F or Cl, and/or carrying -COOH or -SO 3H or tertiary amino group) or -T(R 5)-; T : 3-24C trivalent or tetravalent hydrocarbon (optionally substituted by polyorganosiloxane, and optionally containing O, N or S) or N, P or Al; R 51-50C alkyl or polyorganosiloxane (optionally containing ester, amide, urethane, thiocarbamate, urea, thiourea and/or sulfonamide, optionally bind to another polymer chain); x : 0-10, preferably 0-2; z : 2-500, preferably 2-200; m : 1-1000, preferably 6-200; R : 1-20C monovalent hydrocarbon radical (optionally substituted by F or Cl), preferably methyl; X : 1-20C alkylene (methylene units optionally separated by -O-), preferably propylene; A : O or -NR 0-, preferably NH; Z : O or -NR 0-, preferably amine or -O-; R 0H or 1-10C alkyl; Y 11-20C bivalent hydrocarbon radical (optionally substituted by F or Cl), preferably aralkylene; D : 1-6C alkylene (optionally substituted by F or Cl), 1-6C alkyl (ester), having with 1-700 carbon atoms (methylene units optionally separated by -O-, -COO-, -OCO- or -OCOO-); n : 1-4000; a : greater than 1; b : 0-40; c : 0-30; and d : greater than 0. Provided that at least 50% of the groups of R 6is hydrogen atom, provided that there is at least one, preferably at least two urea groups (G) in the formula (I). In (I) 80% of the groups R 1-R 4are methyl, ethyl, phenyl or 3,3,3-trifluoropropyl, two G groups are urea. Independent claims are included for: (1) a cosmetic composition comprising polysiloxane/polyurea/polyurethane copolymer susceptible to be obtained by reaction of cyclic silazane of formula (III) or -(NW 1-X-Si(R) 2) m- (IIIa) with an organosilicon compound of formula (HO)(R 2SiO) n-1(H) into an aminoalkylpolydiroganosiloxane of formula (H 2N-X-(Si(R) 2O) nSi(R) 2-X-NH 2) (IV) and polymerization of (IV) with a diisocyanate of formula (OCN-Y 1-NCO); and (2) a cosmetic kit comprising a container containing a compartment, closed with a lid and the cosmetic composition deposited inside the compartment.