Study on Synergistic Effect Between Wormlike Micelles and Hydrophobically Modified Poly(acrylic acid) in Salt Solution

被引：8
|
作者：
Mei, Yongjun [1 ,2 ]
Han, Yixiu [2 ]
Zhou, Hong [2 ]
Yao, Lin [1 ]
Jiang, Bo [1 ]
机构：
[1] Sichuan Univ, Coll Chem, Chengdu 610065, Peoples R China
[2] CAAC, Res Inst 2, Chengdu, Peoples R China
来源：
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2013年 / 34卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Hydrophobically modified poly(acrylic acid); rheology; salt-tolerance; viscosity; wormlike micelle; RHEOLOGICAL PROPERTIES; SURFACTANT; SYSTEMS; POLYMER;
D O I：
10.1080/01932691.2012.683981
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 complex system of hydrophobically modified poly (acrylic acid) (HMPA) and wormlike micelles formed by sodium oleate in the presence of sodium acetate is investigated by apparent viscosity and rheological measurements. Addition of small amount of HMPA markedly enhances the viscosity of wormlike micelles, with further increase of HMPA concentration, a viscosity drop is observed. At high salinity, the complex system still remains strong viscoelastic and eliminates the limitation of susceptibility to salt for HMPA. DPD simulation results are in good agreement with experimental data, which provide theoretical confirmation for a synergistic mechanism between HMPA and wormlike micelles. <graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ldis_a_683981_o_uf0001.jpg"></graphic
引用
收藏
页码：651 / 656
页数：6
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