Rheological Behavior of Viscoelastic Wormlike Micelles in CTAB/SSS/H2O Systems

被引：11
作者：
Wan, Tao [1 ,2 ]
Wang, Denghui [2 ]
Hu, Junyan [2 ]
Zhou, Zhiling [2 ]
Zhang, Haibo [2 ]
Bu, Daolu [2 ]
机构：
[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu, Sichuan, Peoples R China
[2] Chengdu Univ Technol, Mineral Resources Chem Key Lab, Sichuan Higher Educ Inst, Chengdu 610059, Sichuan, Peoples R China
来源：
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2014年 / 35卷 / 01期
关键词：
Micelles; viscoelasticity; viscosity; wormlike; CETYLTRIMETHYLAMMONIUM BROMIDE; WATER SUPERABSORBENT; CATIONIC SURFACTANTS; CRYO-TEM; TRANSITION; VESICLE; ANIONS; SANS;
D O I：
10.1080/01932691.2013.769885
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 effect of the addition of sodium 4-styrenesulfonate (SSS) and KNO3 as well as temperature and shear rate on the structural transition of aqueous micellar solutions of the cationic surfactant cetyl trimethyl ammonium bromide (CTAB) was studied by viscosity. The effect of hydrocarbons on viscoelastic CTAB solutions was also examined. Possible mechanism for formation of CTAB wormlike micelles in the presence of sodium 4-styrenesulfonate (SSS) and KNO3 was discussed. The rapid increase in the apparent viscosity of CTAB solutions on the addition of SSS and KNO3 was due to the transition in micellar shape from spheres to wormlike ones. The rheological properties of CTAB solutions fit Maxwell model at low shear frequency. AFM image indicated a structure of transient network of CTAB/SSS/KNO3/H2O solution
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页码：7 / 13
页数：7
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