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    • 8. 发明申请
    • Water-based polymer emulsions and cosmetic formulations utilizing the same
    • 水性聚合物乳液和使用其的化妆品制剂
    • US20080003249A1
    • 2008-01-03
    • US11878417
    • 2007-07-24
    • Isamu KanedaAyano NakamuraAtsushi SogabeToshio Yanaki
    • Isamu KanedaAyano NakamuraAtsushi SogabeToshio Yanaki
    • A61K8/06A61K8/72A61K8/81A61Q1/10A61Q17/04A61Q3/02A61Q5/06A61Q5/12
    • A61K8/895A61K8/06A61K8/81A61K8/894A61K8/898A61Q1/10A61Q3/02A61Q5/00A61Q5/02A61Q5/06A61Q17/04A61Q19/00C08F230/08
    • The first objective of the present invention is to provide a water-based polymer emulsion having a satisfactory storage stability and giving a coating film whose water resistance and adhesiveness are excellent. The second objective of the present invention is to provide the water-based polymer emulsion described above which has furthermore excellent characteristics for being used in a hair cosmetics. For the purpose of accomplishing the first objective described above, a water-based polymer emulsion according to the present invention is a water-based polymer emulsion obtained by emulsion polymerization of one or more silane coupling monomer, one or more lipophilic radical polymerizable monomer, and one or more hydrophilic radical polymerizable monomer, in which the polymer having said silane coupling monomer-derived reactive silyl group remaining therein is dispersed at a concentration or lower allowing the crosslinking between said silyl groups to be formed in a water-based dispersion medium. Also for the purpose of accomplishing the second objective of the present invention, a water-based polymer emulsion according to the present invention is a water-based polymer emulsion described above which is a cationic water-based polymer emulsion which is obtained by emulsion polymerization using a cationic emulsifier.
    • 本发明的第一个目的是提供一种水溶性聚合物乳液,其具有令人满意的储存稳定性,并且提供了一种耐水性和粘合性优异的涂膜。 本发明的第二个目的是提供上述水性聚合物乳液,其具有用于头发化妆品中的优异特性。 为了实现上述第一目的,根据本发明的水基聚合物乳液是通过一种或多种硅烷偶联单体,一种或多种亲脂性可自由基聚合的单体和 一种或多种亲水性可自由基聚合单体,其中存在所述硅烷偶联单体衍生的反应性甲硅烷基的聚合物以其浓度或更低分散,允许在水性分散介质中形成所述甲硅烷基之间的交联。 为了实现本发明的第二目的,本发明的水性聚合物乳液是上述水性聚合物乳液,其为通过乳液聚合得到的阳离子型水性聚合物乳液,其使用 阳离子乳化剂。