ALUMINOSILICATE POLY(ETHYLENE GLYCOL) COPOLYMERS - A NEW CLASS OF POLYELECTROLYTES

被引：54

作者：

RAWSKY, GC

FUJINAMI, T

SHRIVER, DF

机构：

[1] NORTHWESTERN UNIV,DEPT CHEM,EVANSTON,IL 60208

[2] NORTHWESTERN UNIV,MAT RES CTR,EVANSTON,IL 60208

来源：

CHEMISTRY OF MATERIALS | 1994年 / 6卷 / 12期

关键词：

D O I：

10.1021/cm00048a003

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：

Novel sodium ion-conducting polyelectrolytes incorporating aluminosilicate anions have been synthesized in order to reduce the strong ion pairing observed in other polyelectrolytes. It was found that conductivity increases in the series Al(OR)4- < Al(OR)2(OSi)2- < Al(OSi)4-, indicating reduced ion pairing by the weakly basic, sterically hindered aluminosilicate anions. The addition of cryptand [2.2.2] increases conductivity 1-2 orders of magnitude through further reduction of ion pairing by encapsulation of the cation.

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页码：2208 / 2209

页数：2

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