Stability of sodium dodecyl sulfate micelles in the presence of a range of water-soluble polymers: A pressure-jump study

被引：28

作者：

Dhara, D

Shah, DO ^{[1
]}

机构：

[1] Univ Florida, Ctr Surface Sci & Engn, Dept Chem Engn, Gainesville, FL 32611 USA

[2] Univ Florida, Dept Anesthesiol, Gainesville, FL 32611 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2001年 / 105卷 / 29期

关键词：

D O I：

10.1021/jp003072l

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 effects of a range of nonionic and ionic water-soluble polymers on the micellar stability of sodium dodecyl sulfate were investigated by the pressure-jump method. The presence of polymer that interacts with SDS was found to decrease the micellar stability drastically. Surface activity of the polymers was correlated with their ability to reduce the micellar stability. The decrease in micellar stability was explained by the formation of premicellar aggregates (or submicelles) of surfactants in the presence of polymer, which facilitated the micelle formation-disintegration process.

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收藏

页码：7133 / 7138

页数：6

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