FTIR spectroscopic study of the acrylamide states in AOT reversed micelles

被引：29
作者：
Guo, Yilu [1 ,2 ,3 ]
Wu, Peiyi [1 ,2 ,3 ]
机构：
[1] Fudan Univ, Key Lab Mol Engn Polymers, Minist Educ, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Macromol Sci, Shanghai 200433, Peoples R China
[3] Fudan Univ, Adv Mat Lab, Shanghai 200433, Peoples R China
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2008年 / 883卷
基金：
中国国家自然科学基金;
关键词：
acrylamide; AOT; inverse emulsion; ATR; 2D correlation spectroscopy;
D O I：
10.1016/j.molstruc.2007.11.009
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 state of acrylamide (AM) confined within the hydrophilic core of sodium bis(2-ethylhexyl) sulfosuccinate (AOT) reversed micelles has been investigated by Fourier transform infrared spectroscopy with an attenuated total reflection (ATR) accessory. 2D correlation spectroscopy and curve fitting revealed that the acrylamide molecule wits carried into the micellar core by one of the two long tails of the AOT through H-bonding between the amide group and the carbonyl group of AOT. The acrylamide tended to stick at the interface of the inverse emulsion at lower acrylamide-to-AOT molar ratio value (X); when X increased to some higher values, the acrylamide would tend to congregate in the micellar core. Therefore, it is important to choose the suitable initiator for the inverse emulsion polymerization under different experimental conditions. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：31 / 37
页数：7
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