文献类型：期刊文献

中文题名：阳离子型Gemini表面活性剂胶束体系的热力学性质

英文题名：Thermodynamic Properties of the Micellization of Cationic Gemini Surfactants

作者：黄斌[1];史济斌[1];王晶[1];薛平[1]

机构：[1]华东理工大学化学系,上海200237

年份：2007

卷号：33

期号：1

起止页码：65

中文期刊名：华东理工大学学报（自然科学版）

外文期刊名：Journal of East China University of Science and Technology

收录：CSTPCD;;EI(收录号：20071510544964);Scopus;北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

语种：中文

中文关键词：阳离子Gemini表面活性剂;开路电压;电导率;热力学性质

外文关键词：cationic Gemini surfactants; open circuit potential; electrical conductivity; thermodynamic properties

摘要：通过测量开路电压、电导率等参数，测定了m-S—m·2Br型阳离子Gemini表面活性剂的临界胶束浓度（CMC）及其温度响应特点。实验结果表明：该类表面活性剂比传统阳离子表面活性剂具有更强的胶团生成能力，在所研究的温度范围内（20-55℃），CMC随温度的升高略有增大；根据质量作用模型计算所得的熟力学数据表明：该类表面活性剂的胶束化过程服从熵驱动机理，并出现了焓／熵补偿现象。
The critical micellization concentration （CMC） and it＇s temperature dependence of the cationic Gemini surfactants were measured by the open circuit potential and electrical conductivity methods. It is found that the micellization of Gemini surfactants are easier than that of conventional cationic surfactants, From the thermodynamic data（△Gm^0,△Hm^0,△SM^0） calculated on the basis of the mass action model, we can see that the micellization process is entropy driven, and the enthalpy-entropy compensation plots exhibit an excellent linearity.