Occurrence of shear thickening in aqueous micellar solutions of CTAB with some added organic counterions

被引：42
作者：
Hartmann, V [1 ]
Cressely, R [1 ]
机构：
[1] Univ Metz, Lab Phys Liquides & Interfaces, Grp Rheophys Colloides, F-57078 Metz 3, France
来源：
COLLOID AND POLYMER SCIENCE | 1998年 / 276卷 / 02期
关键词：
micellar; rheological; CTAB; salts; shear thickening;
D O I：
10.1007/s003960050225
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：
In this experimental work we carefully investigate the influence of some organic counterions (having similarities): sodium salicylate (NaSal), sodium tosylate (NaTos) and sodium benzoate (NaBz) on the rheological properties of two aqueous solutions (0.1 and 0.05 M) of cetyltrimethylammonium bromide (CTAB). Here we are particularly interested in the occurrence of the shear thickening effect corresponding to shear induced structures (SIS). All the rheological measurements presented in this work are realized with the same geometrical device (plan-cone) with controlled imposed shear stress. Conditions of occurrence and evolutions of the characteristics of the obtained shear thickening are given.
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收藏
页码：169 / 175
页数：7
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