Sulfonated poly(fluorenyl ether ketone) membrane prepared via direct polymerization for PEM fuel cell application

被引：70

作者：

Chen, Yulin

Meng, Yuezhong ^{[1
]}

Wang, Shuanjin

Tian, Shuanghong

Chen, Yong

Hay, Allan S.

机构：

[1] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Inst Optoelect & Funct Composite Mat, Guangzhou 510275, Peoples R China

[2] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada

来源：

JOURNAL OF MEMBRANE SCIENCE | 2006年 / 280卷 / 1-2期

关键词：

sulfonated polymer; polyaromatics; polycondensation; membrane;

D O I：

10.1016/j.memsci.2006.01.052

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Sulfonated poly(fluorenyl ether ketone)s with inherent viscosity ranging from 0.68 to 0.93 dL/g were directly synthesized by aromatic nucleophilic polycondensation of bisphenot fluorene with various ratios of sulfonated difluorobenzophenone to difluorobenzophenone. The synthesized polymers were characterized by H-1 NMR method and elemental analysis. The polymers were tested to be soluble in dipolar aprotic solvents such as DMAc, DMF and DMSO and can be readily cast into tough films. These films showed highly thermal degradation temperature, glass transition temperature and excellent water affinity as well as excellent proton conductivity. The polymers showed a promising proton membrane material for PEM fuel cell application. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：433 / 441

页数：9

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