Synthesis and Characterization of Ionic Conducting Sulfonated Polybenzimidazoles

被引：25

作者：

Jouanneau, Julien ^{[1
]}

Gonon, Laurent ^{[2
]}

Gebel, Gerard ^{[2
]}

Martin, Vincent ^{[1
]}

Mercier, Regis ^{[1
]}

机构：

[1] Univ Savoie, CNRS, Lab Mat Organ Proprietes Specif, UMR 5041, F-69360 Solaize, France

[2] UJF, CNRS, Lab Struct & Proprietes Architectures Mol, INAC,UMR 5819,CEA, F-38054 Grenoble, France

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2010年 / 48卷 / 08期

关键词：

fuel cell; membrane; polycondensation; polyelectrolyte; sulfonated polybenzimidazole; POLYMER ELECTROLYTES; PROTON CONDUCTIVITY; ETHER KETONE); MEMBRANES; ACID; POLYSULFONE; COPOLYMERS;

D O I：

10.1002/pola.23938

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

By copolymerization of the disodium-2,2'-disulfonate-4,4'-oxydibenzoic acid (SODBA), the 4,4'-oxybis(benzoic acid) (OBBA) with the bis 3,4-(diaminophenyl)sulfone (BDAPS), a series of high molecular weight sulfonated polybenzimidazoles (sPBI) were prepared by varying the ratio of monomers SODBA/OBBA. Polymers with ion exchange capacity (IEC) ranging from 0 to 3.2 meqH(+)/g were obtained. The chemical structure of the sPBI was confirmed by NMR, Fourier-transform infra-red (FTIR). Although the sPBI display a very poor solubility in organic solvents, they are, in the ammonium salt form, soluble in polar aprotic solvents such as DMF, NMP, or DMSO. Tough and ductile membranes from solution casting method were prepared. The water uptake and the ionic conductivity were determined at 30 and 90 degrees C. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 1732-1742, 2010

引用

页码：1732 / 1742

页数：11

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