Role of surface potential in the catalytic action of micelles of cationic surfactants with a hydroxyalkyl fragment in the head group

被引：0
|
作者：
A. B. Mirgorodskaya
L. R. Bogdanova
L. A. Kudryavtseva
S. S. Lukashenko
A. I. Konovalov
机构：
[1] Russian Academy of Sciences,Arbuzov Institute of Organic and Physical Chemistry, Kazan Research Center
来源：
Russian Journal of General Chemistry | 2008年 / 78卷
关键词：
Surfactant; General Chemistry; Surface Potential; Head Group; Cationic Surfactant;
D O I：
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中图分类号：
学科分类号：
摘要：
The surface potential in aqueous micellar solutions of a series of cetyltrialkylammonium bromides containing a hydroxyalkyl fragment in the head group was determined with a spectral probe (p-nitrophenol). It was found that the catalytic effect exerted by these surfactants in solution on the base hydrolysis of carboxylic acid esters is determined by two factors. First, the charged nucleophile is concentrated at the micelle surface. Second, hydrogen bonding of the substrate with the hydroxyalkyl substituents results in its activation.
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页码：163 / 170
页数：7
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