Adsorption and adsolubilization behaviors of cationic surfactant and hydrophobically modified polymer mixtures on Na-kaolinite

被引：15
|
作者：
Wang, JB
Han, BX
Yan, HK [1 ]
Li, ZX
Thomas, RK
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
[2] Univ Oxford, Phys & Theoret Chem Lab, Oxford OX1 3QZ, England
来源：
LANGMUIR | 1999年 / 15卷 / 23期
关键词：
D O I：
10.1021/la9901837
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The adsolubilization of 2-naphthol by tetradecyltrimethylammonium bromide (TTAB) and by mixtures of TTAB and hydrophobically modified polyacrylamide (HMPAM) on Na-kaolinite was investigated. At concentrations of TTAB in the region of the CMC, only small differences were found in the amounts of 2-naphthol adsolubilized in the presence and in the absence of HMPAM. However, at much lower TTAB concentrations, adsolubilization of a-naphthol onto the Na-kaolinite surface was greatly enhanced in the presence of HMPAM. The stability of the clay dispersion was found to be strongly diminished by the addition of HMPAM.
引用
收藏
页码：8207 / 8211
页数：5
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