Synthesis and characterisation of sulfonated polybenzimidazole: A highly conducting proton exchange polymer

被引：209

作者：

Glipa, X ^{[1
]}

ElHaddad, M ^{[1
]}

Jones, DJ ^{[1
]}

Roziere, J ^{[1
]}

机构：

[1] UNIV MONTPELLIER 2,ESA CNRS 5072,LAB AGREGATS MOL & MAT INORGAN,F-34095 MONTPELLIER 5,FRANCE

来源：

SOLID STATE IONICS | 1997年 / 97卷 / 1-4期

关键词：

polybenzimidazole; grafting; sulfonation; polymer membrane;

D O I：

10.1016/S0167-2738(97)00032-5

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：

Grafting of sulfonated aryl groups on to polybenzimidazole, PBI, leads to a proton conducting polymer. The synthetic route allows close control of the degree of sulfonation, and a range of samples have been prepared with degrees of sulfonation up to 75% of the available sites. Sulfonation increases the conductivity from ca. 10(-4) S cm(-1) in non-modified PBI to > 10(-2) S cm(-1) at room temperature for highly sulfonated samples. The dependence of the conductivity both on the degree of sulfonation and on the conditions of membrane preparation are discussed.

引用

页码：323 / 331

页数：9

共 17 条

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