Thermodynamic Study of Mixed Surfactants of Polyoxyethylene tert-Octyl Phenyl Ether and Dodecyltrimethylammonium Bromide

被引：13

作者：

Zheng, Peizhu ^{[1
]}

Zhang, Xianshuo ^{[1
]}

Fang, Jian ^{[1
]}

Shen, Weiguo ^{[1
,2
]}

机构：

[1] Lanzhou Univ, Dept Chem, Lanzhou 730000, Gansu, Peoples R China

[2] E China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2016年 / 61卷 / 02期

基金：

中国国家自然科学基金;

关键词：

CRITICAL MICELLE CONCENTRATION; NONIONIC SURFACTANT; AQUEOUS-SOLUTIONS; SELF-AGGREGATION; ALKYLTRIMETHYLAMMONIUM BROMIDES; INTERFACIAL BEHAVIOR; CATIONIC SURFACTANTS; GEMINI SURFACTANTS; PHASE-SEPARATION; BINARY-MIXTURES;

D O I：

10.1021/acs.jced.5b00824

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Mixtures of polyoxyethylene tert-octyl phenyl ether (TX100) and dodecyltrimethylammonium bromide (DTAB) were investigated using isothermal titration calorimetry. On the base of the pseudophase separation model and using the two -parameter Margules equation, the compositions of mixed micelles and activity coefficient of each surfactant in mixed micelles were obtained and further used to calculate the thermodynamic parameters of micellization and excess properties of mixed surfactants in the micelles. Through three titration methods, the tendency of surfactants to form mixed micelles and the interactions between TX100 and DTAB in the micelles were investigated.

引用

页码：979 / 986

页数：8

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