The formation of wormlike micelles in anionic surfactant aqueous solutions in the presence of bivalent counterion

被引：33

作者：

Mu, JH ^{[1
]}

Li, GZ ^{[1
]}

机构：

[1] Shandong Univ, Key Lab Colloid & Interface Chem, State Educ Minist, Jinan 250100, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2001年 / 345卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/S0009-2614(01)00799-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The growth and structure of anionic micelles sodium dodecyl trioxyethylene sulfate (SIDES) in the presence of bivalent counterion Ca2+ were investigated by means of rheological methods and the technique of freeze-fracture transmission electron microscopy (FF-TEM). It was observed that wormlike micelles could be formed in SIDES/CaCl2 aqueous micellar solutions, according to the measurements of zero-shear viscosity eta (0), complex viscosity \ eta*\, dynamic moduli (storage modulus G ' and loss modulus G "), and the application of Cox-Merz rule and Cole-Cole plot. The structure was of character of a non-linear viscoelastic fluid and departed from the simple Maxwell model. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：100 / 104

页数：5

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