Abstract:
以不同联接链(spacer)的季铵盐Gemini 表面活性剂(简记C12-s-C12·2Br)作为乳化剂,采用转相乳化法乳化环己烷,考察了乳化温度和乳化时间对乳液稳定性的影响,同时利用激光粒度仪测定乳液粒径随时间变化,考察了不同联接链对乳液稳定性和粒径大小的影响.结果表明,含有双头基的C12-s-C12·2Br形成乳液较传统的单头基十二烷基三甲基溴化铵(C12TABr)形成乳液稳定;且C12-s-C12·2Br 系列由于联接链s 长短不同,显现出不同的乳化力和界面膜稳定性.
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Year: 2010
Page: 1-5
Language: Chinese
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