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    • 96. 发明授权
    • Emulsifying agent and emulsified cosmetics
    • 乳化剂和乳化化妆品
    • US4536519A
    • 1985-08-20
    • US386521
    • 1982-06-09
    • Toshiyuki SuzukiTohru NakamuraHisao Tsutsumi
    • Toshiyuki SuzukiTohru NakamuraHisao Tsutsumi
    • A61K8/06A61K8/55A61Q1/02A61Q19/00B01F17/00B01F17/14A61K31/66A61K47/00
    • B01F17/0085A61K8/06A61K8/55A61Q19/00A61Q1/02Y10S514/846Y10S514/847
    • Disclosed herein is an emulsifying agent comprising (a) a partially or completely neutralized product, with a basic substance, of a phosphoric acid ester which contains a phosphoric acid monoester represented by the general formula (I) and a phosphoric acid diester represented by the general formula (II) from 100:0 to 70:30 molar ratio: ##STR1## wherein R.sub.1 and R.sub.4 represent individually a linear alkyl group or a linear alkenyl group of 10-22 carbon atoms or a branched alkyl group of 12-24 carbon atoms, R.sub.2 and R.sub.3 represent individually an ethylene group or a propylene group, and m and n represent individually a number of 0-30, and (b) a nonionic surfactant with HLB of 6 or less. Emulsified cosmetics comprising (a) the neutralized product of the phosphoric acid ester, (b) a nonionic surfactant with HLB of 6 or less, (c) an oily substrate, and (d) water is also disclosed. The above emulsifying agent is weakly acidic or neutral in nature and also stable against aging degradation, it provides weakly acidic or neutral emulsified cosmetics stable at a broad pH range and confortable to skin.
    • 本文公开了一种乳化剂,其包含(a)部分或完全中和的产物与碱性物质的磷酸酯,其含有由通式(I)表示的磷酸单酯和由通式(I)表示的磷酸二酯 式(II):100:0至70:30的摩尔比:其中R 1和R 4分别表示直链烷基或10-22个碳原子的直链烯基或 12-24个碳原子的支链烷基,R2和R3分别表示亚乙基或亚丙基,m和n分别表示0〜30的数,和(b)HLB为6以下的非离子表面活性剂。 乳化化妆品包括(a)磷酸酯的中和物,(b)HLB为6以下的非离子表面活性剂,(c)油性底物和(d)水。 上述乳化剂本质上是弱酸性或中性的,对老化降解也是稳定的,它提供弱酸性或中性乳化化妆品在宽pH范围内稳定并适合皮肤。