发明名称 Silicone acrylate and trifluoroethyl methacrylate polymer, preparation and use thereof in cosmetics
摘要 An anionic polyelectrolyte resulting from the polymerization, for 100% by mass of: a) a mass ratio ≧70% and ≦98.5% of monomeric units from a monomer with a strong acid function; b) a mass ratio ≧0.5% and ≦10%, —either of a monomer of formula (1a) : R—(CH2)3-Si(CH2)2-[0-Si(CH3)2-]nO—Si(CH3)2—(CH2)3—R (1a), wherein R represents the monovalent radical: -(0-CH2-CH2-)x[0-CH2—CH(CH3)-]yO—C(═0)-CH═CH2;—or (Ib): Si(CH3)3-[0-Si(CH3)2-]m[0-Si(CH3)[(CH2)3—R]—]pO—Si(CH2)3 (Ib), c) a mass ratio ≧1% and ≦20% of a monomer of formula (II) : CH2═CH(R1)-C(═0)-0-(CH2)n-CF3 (II), formula (I) wherein radical Ri represents a hydrogen atom or a methyl radical, and n is equal to 1, 2 or 3; d) optionally a mass ratio >0% and ≦5% of monomeric units from a monomer of formula (III): R2—C(═0)-0-[(CH2—CH(R4)-0]m-R3 (III), e) optionally a mass ratio >0% and ≦5% of a cross-linking monomer, method for its preparation and use as a thickener in topical compositions.
申请公布号 US9309342(B2) 申请公布日期 2016.04.12
申请号 US201314381730 申请日期 2013.02.15
申请人 SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPIC 发明人 Braun Olivier;Mallo Paul
分类号 C08F220/58;A61K8/897;A61Q19/00;C08F220/22;C08F220/38;C08F222/24;C08F230/08;C08F283/12;A61K8/34;A61K8/81 主分类号 C08F220/58
代理机构 Young & Thompson 代理人 Young & Thompson
主权项 1. A linear, branched or crosslinked anionic polyelectrolyte resulting from the polymerization, for 100% by weight: a) of a proportion by weight of greater than or equal to 70% and less than or equal to 98.5% of monomer units resulting from a monomer comprising a strong acid functional group which is free or partially or completely salified; b) of a proportion by weight of greater than or equal to 0.5% and less than or equal to 10%, either of a monomer of formula (Ia): R—(CH2)3—Si(CH3)2—[O—Si(CH3)2—]nO—Si(CH3)2—(CH2)3—R  (Ia), in which: R represents the monovalent radical: —(O—CH2—CH2—)x[O—CH2—CH(CH3)—]yO—C(═O)—CH═CH2,in which x and y represent, independently of one another, an integer of greater than or equal to 0 and less than or equal to 40, it being understood that the sum x+y is greater than 0 and less than 50; and n represents an integer of greater than or equal to 0 and less than or equal to 45, said monomer of formula (Ia) having a molecular weight of greater than or equal to 1500 and less than or equal to 7000; or of a monomer of formula (Ib): Si(CH3)3—[O—Si(CH3)2—]m[O—Si(CH3)[(CH2)3—R]—]pO—Si(CH2)3  (Ib), in which: R represents a monovalent radical of formula: —(O—CH2—CH2—)x[O—CH2—CH(CH3)—]yO—C(═O)—CH═CH2,in which x and y represent, independently of one another, an integer of greater than or equal to 0 and less than or equal to 40, it being understood that the sum x+y is greater than 0 and less than 50; m represents an integer of greater than or equal to 1 and less than or equal to 7, and p represents, independently of m, an integer of greater than or equal to 1 and less than 20; said monomer of formula (Ib) having a molecular weight of greater than or equal to 1000 and less than or equal to 4000; c) of a proportion by weight of greater than or equal to 1% and less than or equal to 20% of a monomer of formula (II): CH2═C(R1)—C(═O)—O—(CH2)n—CF3 in which formula (I) the R1 radical represents a hydrogen atom or a methyl radical and n represents an integer equal to 1, 2 or 3; d) optionally of a proportion by weight of greater than 0% and less than or equal to 5% of monomer units resulting from a monomer of formula (III): R2—C(═O)—O—[(CH2—CH(R4)—O]m—R3   (III),in which formula (II) m represents a number greater than or equal to 0 and less than or equal to 50, R2 represents an unsaturated monovalent aliphatic radical comprising from 2 to 4 carbon atoms, R4 represents a hydrogen atom, a methyl radical or an ethyl radical and R3 represents a saturated or unsaturated, linear or branched, aliphatic hydrocarbon radical comprising from 8 to 30 carbon atoms, and e) optionally of a proportion by weight of greater than 0% and less than or equal to 5% of at least one diethylenic or polyethylenic crosslinking monomer.
地址 Paris FR