Polyfunctional supramolecular systems based on surfactants containing the hydroxyalkyl moiety in the head group

被引：7
|
作者：
Yackevich, E. I. [1 ]
Mirgorodskaya, A. B. [1 ]
Lukashenko, S. S. [1 ]
Zakharova, L. Ya. [1 ]
机构：
[1] Russian Acad Sci, AE Arbuzov Organ & Phys Chem Inst, Kazan Sci Ctr, Kazan 420088, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2014年 / 63卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
morpholinium surfactants; aggregation behavior; micellar catalytic effect; QUATERNARY AMMONIUM SURFACTANTS; CATIONIC SURFACTANTS; REACTIVITY;
D O I：
10.1007/s11172-014-0669-5
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The critical micelle concentration, surface potential, and degree of binding of counterions in aqueous micellar solutions of N-cetyl-N-methylmorpholinium bromide and its analog containing the hydroxyethyl moiety in the head group were determined using a complex of physicochemical methods. The aggregation behavior of these compounds was found to vary insignificantly, whereas the catalytic effect of the hydroxyethyl derivative on the hydrolysis of carboxylic acid esters more than an order of magnitude exceeds the effect of the non-functionalized surfactant. One of the reasons for this phenomenon can be an increase in the micropolarity in the chemical reaction zone detected by fluorescence spectroscopy.
引用
收藏
页码：1801 / 1806
页数：6
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