EXAFS ANALYSIS OF PLASTICIZED ZINC-NEUTRALIZED SULFONATED POLYSTYRENE IONOMERS

被引：21
|
作者：
DING, YS [1 ]
REGISTER, RA [1 ]
NAGARAJAN, MR [1 ]
PAN, HK [1 ]
COOPER, SL [1 ]
机构：
[1] UNIV WISCONSIN,DEPT CHEM ENGN,MADISON,WI 53706
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 1988年 / 26卷 / 02期
关键词：
PLASTICIZERS; -; Testing; POLYMERS; Microstructure; SPECTROSCOPY; X-RAY - Spectrum Analysis;
D O I：
10.1002/polb.1988.090260207
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The interaction of several plasticizers with the zinc cation in zinc-neutralized sulfonated polystyrene was examined with extended x-ray absorption fine structure (EXAFS) spectroscopy. Glycerol and water were found to interact strongly with the zinc cation, plasticizing the ionic aggregates. At full solvation by glycerol, the zinc atom was found to be coordinated by three glycerol molecules. Dioctylphthalate, acetonitrile, and toluene, which are unable to coordinate to the zinc cation, were found to have a minimal effect on the cation's local structure.
引用
收藏
页码：289 / 300
页数：12
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