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    • 4. 发明申请
    • LOW MOLECULAR WEIGHT AMPHOLYTIC POLYMERS FOR PERSONAL CARE APPLICATIONS
    • 用于个人护理应用的低分子量两性聚合物
    • WO2007103337A2
    • 2007-09-13
    • PCT/US2007005630
    • 2007-03-06
    • NALCO COSABELKO JOBIAH JCRAMM JEFFREY RPATEL DAMYANTI J
    • SABELKO JOBIAH JCRAMM JEFFREY RPATEL DAMYANTI J
    • A61K8/81
    • A61K8/8194A61K8/817A61K2800/5428A61Q5/12
    • A cosmetically acceptable composition comprising from about 0.1 to about 10 weight percent, based on polymer solids, of a water-soluble ampholyte polymer comprising: from at least 1 to as much as 95 weight percent of the nonionic monomer acrylamide; from at least 5 to as much as 80 weight percent of the cationic monomer dimethyldiallylammonium chloride; from at least 1 to as much as 75 weight percent of the anionic monomer acrylic acid, is disclosed. The application of these polymers to a keratinous substance is also disclosed. In addition, a method of treating a keratinous substance comprising applying a cosmetically acceptable composition comprising from about 0.1 to about 10 weight percent, based on polymer solids, of an ampholyte polymer produced by the foil owing process: (1) preparing a monomer solution containing: from at least 1 to as much as 95 weight percent of the nonionic monomer acrylamide; from at least 5 to as much as 80 weight percent of the cationic monomer dimethyldiallylammonium chloride; from at least 1 to as much as 75 weight percent of the anionic monomer acrylic acid; (2) providing a reactor and water to said reactor; (3) optionally charging said reactor with a sequestering agent, a chain transfer agent or a combination thereof; (3) purging said reactor to remove oxygen from said reactor; (4) heating the contents of said reactor; and (5) feeding said monomer solution and initiator solution into said reactor, is disclosed.
    • 一种化妆品可接受的组合物,其包含基于聚合物固体约0.1至约10重量%的水溶性两性电解质聚合物,该水溶性两性电解质聚合物包含:至少1至多达95重量%的非离子单体丙烯酰胺; 从至少5重量%到多达80重量%的阳离子单体二甲基二烯丙基氯化铵; 公开了从至少1至多达75重量%的阴离子单体丙烯酸。 还公开了将这些聚合物应用于角蛋白物质。 此外,处理角蛋白物质的方法包括施用化妆品可接受的组合物,所述组合物包含基于聚合物固体约0.1至约10重量%的通过箔方法生产的两性电解质聚合物:(1)制备含有 :至少1至95重量%的非离子单体丙烯酰胺; 从至少5重量%到多达80重量%的阳离子单体二甲基二烯丙基氯化铵; 从至少1到多达75重量%的阴离子单体丙烯酸; (2)向所述反应器提供反应器和水; (3)任选地用螯合剂,链转移剂或其组合给所述反应器充电; (3)吹扫所述反应器以从所述反应器中除去氧气; (4)加热所述反应器的内容物; 和(5)将所述单体溶液和引发剂溶液加入所述反应器中。