IONIC-CONDUCTIVITY IN OLIGO(ETHYLENE OXIDE) ESTERS OF POLY(ITACONIC ACID) SALT MIXTURES - EFFECT OF SIDE-CHAIN LENGTH

被引：24

作者：

COWIE, JMG ^{[1
]}

MARTIN, ACS ^{[1
]}

机构：

[1] UNIV STRATHCLYDE,DEPT PURE & APPL CHEM,GLASGOW G1 1XW,SCOTLAND

来源：

POLYMER | 1991年 / 32卷 / 13期

关键词：

POLY(ITACONIC ACID); CONDUCTIVITY; GLASS TRANSITION TEMPERATURE; SIDE-CHAIN LENGTH; CHAIN FLEXIBILITY;

D O I：

10.1016/0032-3861(91)90083-U

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 series of poly(itaconic acid) esters with oligo(ethylene oxide) side chains have been prepared in which the side chains contain from one to seven ethylene oxide units. These materials can form amorphous solid solutions with LiClO4 and NaClO4. The glass transition temperatures and a.c. ionic conductivities of these polymer-salt mixtures have been examined as a function of side-chain length, salt concentration and temperature. It has been found that the polymer with seven ethylene oxide units per side chain produces a polymer electrolyte with the highest conductivities between 10(-3) and 10(-6) S cm-1 for the temperature range 400 K to ambient. In these systems the flexibility of the polymer chain seems to be a controlling feature as reflected in the polymer-salt T(g) values.

引用

页码：2411 / 2417

页数：7

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