Synthetic thickeners for cosmetics
    1.
    发明授权
    Synthetic thickeners for cosmetics 有权
    化妆品合成增稠剂

    公开(公告)号:US07901697B2

    公开(公告)日:2011-03-08

    申请号:US10560416

    申请日:2003-06-24

    IPC分类号: A61K8/02 A61K9/00

    摘要: Disclosed are inverse emulsions for the preparation of cosmetic formulations wherein the weight ratio between the aqueous phase and the organic phase is from 4:1 and 2:1 and containing Ron 20 to 70% buy weight of an acrylic polymer obtained by inverse emulsion polymerisation of from 55 to 75% by weight of an anionic acrylic monomer containing a strongly acidic functional group; Ron 0.1 to 5% by weight of a cationic acrylic monomer if the formula (I). Wherein R1 is hydrogen or methyl; R2, R3, R4 are, one independently of the others, hydrogen or C1-C4 alkyl; Y is NH or O; A is a C1-C6 alkylene; from 25 to 45% by weight of a C3-C5 anionic acrylic monomer containing a carboxylic group. Also disclosed is the procedure for their preparation.

    摘要翻译: 公开了用于制备化妆品制剂的反相乳液,其中水相和有机相之间的重量比为4:1和2:1,并且含有Ron 20至70%购买重量的通过反相乳液聚合获得的丙烯酸类聚合物 55至75重量%的含有强酸性官能团的阴离子丙烯酸单体; 如果式(I),Ron为0.1至5重量%的阳离子丙烯酸类单体。 其中R1是氢或甲基; R2,R3,R4独立地为氢或C1-C4烷基; Y是NH或O; A是C1-C6亚烷基; 25至45重量%的含羧基的C 3 -C 5阴离子丙烯酸单体。 还公开了其制备方法。