Aqueous two-phase system of an anionic gemini surfactant and a cationic conventional surfactant mixture

被引：21

作者：

Jiang, Rong ^{[1
]}

Huang, Yi-Xiong ^{[1
]}

Zhao, Jian-Xi ^{[1
]}

Huang, Chang-Cang ^{[1
]}

机构：

[1] Fuzhou Univ, Dept Appl Chem, Coll Chem & Chem Engn, Fuzhou 350002, Peoples R China

来源：

FLUID PHASE EQUILIBRIA | 2009年 / 277卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Aqueous two-phase system; Gemini surfactant; Cationic/anionic surfactants mixture; PHASE-BEHAVIOR; CLOUD-POINT; MICELLAR SYSTEMS; CETYLTRIMETHYLAMMONIUM BROMIDE; TETRABUTYLAMMONIUM BROMIDE; SEPARATION; EXTRACTION; VESICLES; MICROSTRUCTURE; 12-3-12,2BR(-);

D O I：

10.1016/j.fluid.2008.11.018

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The aqueous two-phase system formed by the mixture of dodecyltrimethylammonium bromide (DTAB) with a gemini surfactant O,O'-bis(sodium 2-lauricate)-p-benzenediol (C(11)pPHCNa) has been studied. Two two-phase regions were observed,one was a wide region in the cationic surfactant-rich side and the other in the vicinity of R = 1:1, where R is the mixing mole ratio of DTAB to C(11)pPHCNa in global Solution. Multi-lamellar vesicles are formed in the concentrated upper phase of cationic surfactant-rich systems and spherical aggregates in the concentrated bottom phase at R = 1:1. The microstructure of the solution and the phase behavior of the aqueous two-phase system strongly depended on the total concentration and the composition of the system. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：114 / 120

页数：7

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