Issue 24, 2010
From the journal:

Soft Matter

Amidosulfobetainesurfactant gels with shear banding transitions†

Zonglin Chuab  and  Yujun Feng*a  

* Corresponding authors

a Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, P. R. China
E-mail: yjfeng@cioc.ac.cn
Fax: + 86 (28) 8523 6874
Tel: + 86 (28) 8523 6874

b Graduate School of the Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Wormlike micellar gels formed by concentrated 3-(N-erucamidopropyl-N,N-dimethyl ammonium) propanesulfonate (EDAS) solutions show both gel-like behavior and shear banding transitions. Such surfactant gels are strong viscoelastic fluids with ultra-long but finite relaxation time, instead of bulk gels with infinite zero-shear viscosity and relaxation time. We demonstrate for the first time the relationship between the yield stress and shear banding transition of the surfactant gels.

Graphical abstract: Amidosulfobetaine surfactant gels with shear banding transitions

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Article information

DOI
https://doi.org/10.1039/C0SM00874E
Article type
Communication
Submitted
28 Aug 2010
Accepted
08 Oct 2010
First published
22 Oct 2010

Soft Matter, 2010,6, 6065-6067

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Amidosulfobetaine surfactant gels with shear banding transitions

Z. Chu and Y. Feng, Soft Matter, 2010, 6, 6065 DOI: 10.1039/C0SM00874E

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