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    • 6. 发明公开
    • WATER RESISTANT PERSONAL CARE POLYMERS
    • WASSERBESTÄNDIGEKÖRPERPFLEGEPOLYMERE
    • EP2776010A2
    • 2014-09-17
    • EP12809032.1
    • 2012-12-11
    • Dow Global Technologies LLCRohm and Haas Company
    • LI, ZhangZENG, Fanwen
    • A61K8/81A61Q19/10
    • A61K8/8152A61K8/35A61K8/37A61K2800/48A61K2800/594A61Q17/04C08F220/06C08F220/14C08F220/18C08F220/40C08F220/68C08F2220/1833C08F2220/1883C08F2220/1825C08F212/08
    • Described are personal care compositions comprising a polymer comprising: (a) one or more polymer comprising, as polymerized units, (i) 75% to 35% by weight, based on the weight of said polymer, one or more (meth)acrylate monomer selected from at least one of C1-C4 (meth)acrylate, (meth)acrylic acid, styrene, or substituted styrene, and (ii) 25% to 65% by weight, based on the weight of said polymer, one or more hydrophobic monomer, including hydrophobically substituted (meth)acrylate monomers, with alkyl chain length from C8 to C22 and, (iii) optionally crosslinker, and, (b) at least one suncare active. Optionally, the polymer further includes a stage 2 polymer comprising, as polymerized units, (i) 10-99% of one or more monomer which has a Tg of more than 80 °C after polymer formation, (ii) 1-10% of one or more (meth)acrylate monomer containing acid functional group, and (iii) optionally, a crosslinker.
    • 描述了包含聚合物的个人护理组合物,其包含:(a)一种或多种聚合物,其包含作为聚合单元的(i)基于所述聚合物的重量为75重量%至35重量%的一种或多种(甲基)丙烯酸酯单体 选自C 1 -C 4(甲基)丙烯酸酯,(甲基)丙烯酸,苯乙烯或取代的苯乙烯中的至少一种,和(ii)25至65重量%,基于所述聚合物的重量,一种或多种疏水性 单体,包括疏水取代的(甲基)丙烯酸酯单体,烷基链长度为C8至C22,和(iii)任选的交联剂,和(b)至少一种防晒活性物质。 任选地,聚合物还包括阶段2聚合物,其包含作为聚合单元的(i)10-99%的一种或多种在聚合物形成之后Tg高于80℃的单体,(ii)1-10% 的一种或多种含有酸官能团的(甲基)丙烯酸酯单体,和(iii)任选的交联剂。