ALKANESULFONATION OF CYCLIC AND HIGH POLYMERIC PHOSPHAZENES

被引：26
|
作者：
ALLCOCK, HR
KLINGENBERG, EH
WELKER, MF
机构：
[1] Department of Chemistry, The Pennsylvania State University, Pennsylvania 16802, University Park
来源：
MACROMOLECULES | 1993年 / 26卷 / 20期
关键词：
D O I：
10.1021/ma00072a032
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A method for sulfonating aminophosphazenes with the use of 1,3-propanesultone is described. The alkanesulfonation reactions were first developed with small molecule phosphazene cyclic trimers as models for high polymeric phosphazenes. High molecular weight poly(aminophosphazenes) were then sulfonated using similar techniques. The structure and properties of the alkanesulfonated polymers were examined by DSC, intrinsic viscosity, and P-31, C-13, and H-1 NMR spectroscopy. This synthetic approach to sulfonated polymers is valuable for the development of new biomedical materials, membranes, reversibly cross-linkable polymers, surfactants, and polyelectrolytes.
引用
收藏
页码：5512 / 5519
页数：8
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