表面活性剂在化妆品中的应用

【关键词】表面活性剂 化妆品 分类 应用
Abstract:The functions of surfactants such as moisturizing，dispersing，emulsifying，solubilizing，foaming，defoaming and detergency etc.as well as its applications in cosmetics were summarized.The categories of cosmetic and surfactant，the raw materials used in cosmetics，andalso the requirements cosmetic requested for surfactants were introduced.Several surfactants usually used in cosmetics were also introduce detail.The development trends of surfactant used in cosmetics were expounded in this paper.
Key words：surfactant cosmetic Categories applicatio

　　1表面活性剂的分类
　　表面活性剂的分类方法有很多种，根据表面活性剂的来源进行分类，通常把表面活性剂分为合成表面活性剂、天然表面活性剂和生物表面活性剂三大类。
　　1．1合成表面活性剂
　　合成表面活性剂是指以石油、天然气为原料，通过化学方法合成制备的表面活性剂。表面活性剂在性质上的差异，除与烃基的大小和形状有关外，主要与亲水基团类型有关。一般以亲水基团的结构为依据来分类，按亲水基团是否带电可将……