IONIC-CONDUCTION IN POLY(N,N-DIMETHYLACRYLAMIDE) GELS COMPLEXING LITHIUM-SALTS

被引：23

作者：

DOBROWSKI, SA ^{[1
]}

DAVIES, GR ^{[1
]}

MCINTYRE, JE ^{[1
]}

WARD, IM ^{[1
]}

机构：

[1] UNIV LEEDS,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND

来源：

POLYMER | 1991年 / 32卷 / 16期

关键词：

POLY(N; N-DIMETHYLACRYLAMIDE); GEL ELECTROLYTE; IONIC CONDUCTIVITY;

D O I：

10.1016/0032-3861(91)90182-I

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Ionic conductivities of gel electrolytes prepared from poly(N,N-dimethylacrylamide) (PDMA) and lithium salts (perchlorate and trifluoromethanesulphonate), incorporating N,N-dimethylacetamide (DMAc) as plasticizer, were studied. The molar mass of the polymer was controlled by use of ethane thiol as a chain transfer agent. The salt-free and salt-containing materials free from added DMAc were tough, non-crystalline, transparent solids. Complexes of high molar mass PDMA and lithium salts, incorporating 60% by weight of DMAc were tacky resins exhibiting bulk ionic conductivities from 2 x 10(-4) S cm-1 at room temperature to 7 x 10(-3) S cm-1 at 393 K. Rubbery solids were obtained by crosslinking the highly plasticized gels, and these materials had bulk ionic conductivities above 10(-3) S cm-1 at room temperature.

引用

页码：2887 / 2891

页数：5

共 22 条

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