Composite proton-conducting membranes based on poly(ethylene glycol vinyl glycidyl ether)

被引：2

作者：

Markova, M. V. ^{[1
]}

Mognonov, D. M. ^{[2
]}

Morozova, L. V. ^{[1
]}

Mikhaleva, A. I. ^{[1
]}

Trofimov, B. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Favorsky Inst Chem, Siberian Branch, Irkutsk 664033, Russia

[2] Russian Acad Sci, Baikal Inst Nat Management, Siberian Branch, Ulan Ude 670047, Buryatia, Russia

来源：

POLYMER SCIENCE SERIES B | 2014年 / 56卷 / 02期

关键词：

FUEL-CELL APPLICATIONS; POLYMER ELECTROLYTE; EXCHANGE MEMBRANES; H3PO4; STATE;

D O I：

10.1134/S1560090414020109

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Composite proton-conducting membranes in the form of interpolymer films are prepared in an aqueous medium from sulfo-acid-modified poly(ethylene glycol vinyl glycidyl ether) and poly(vinyl alcohol). The initial poly(hydroxysulfo acid) is synthesized through the radical polymerization of ethylene glycol vinyl glycidyl ether followed by modification with sodium sulfite via epoxy groups and treatment with a cationite in the H form. The proton-conducting membranes feature improved thermal stability (200-250A degrees C), a breaking strength of 1.0-8.9 MPa, elasticity (a relative elongation at break of 1.0-8.2%), chemical resistance, and specific proton conductivity attaining 10(-1) S/cm after doping with orthophosphoric acid.

引用

页码：229 / 237

页数：9

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