Micellization and Interfacial Interaction Behaviors of Gemini Cationic Surfactants-CTAB Mixed Surfactant Systems

被引：25

作者：

Mohamed, Dalia Emam ^{[1
]}

Negm, Nabel A. ^{[1
]}

Mishrif, Marwa R. ^{[2
]}

机构：

[1] Egyptian Petr Res Inst, Petrochem Dept, Nasr City, Cairo, Egypt

[2] Egyptian Petr Res Inst, Petr Applicat Dept, Nasr City, Cairo, Egypt

来源：

JOURNAL OF SURFACTANTS AND DETERGENTS | 2013年 / 16卷 / 05期

关键词：

Gemini surfactants; Conventional surfactant; Mixed micelles; Interaction parameter; Mixed adsorption energy; NONIONIC SURFACTANTS; MICELLE; AGGREGATION; AMPHIPHILES; MONOLAYER; MIXTURES;

D O I：

10.1007/s11743-013-1477-x

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The interfacial and micellization behaviors of binary mixtures of two gemini cationic surfactants and conventional the cetyl trimethyl ammonium bromide surfactant were studied at various molar ratios. From the equilibrium surface tension measurements, the critical micelle concentrations (CMC) data were obtained as functions of the composition. Values of the CMC were analyzed according to the regular solution model developed by Rubingh for mixed micelles. Two interaction parameters were obtained for each system, the interaction at the interface, and in the micellar phase. The results showed that micellization and adsorption properties of the studied mixed systems depend on the spacer chain lengths of the gemini surfactants and their ratio in the mixed systems.

引用

页码：723 / 731

页数：9

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