Novel sulfonated poly(ether ether ketone)/polybenzimidazole blends for proton exchange membranes

被引：15

作者：

Feng, Pengju ^{[1
]}

Liu, Zhuang ^{[1
]}

Liu, Siyuan ^{[1
]}

Li, Xiaobai ^{[1
]}

Hu, Wei ^{[2
]}

Jiang, Zhenhua ^{[1
]}

Liu, Baijun ^{[1
]}

机构：

[1] Jilin Univ, Alan G MacDiarmid Inst, Changchun 130021, Peoples R China

[2] Changchun Univ Technol, Dept Chem Engn, Changchun, Peoples R China

来源：

HIGH PERFORMANCE POLYMERS | 2013年 / 25卷 / 06期

基金：

中国国家自然科学基金; 产业技术研究与开发资金项目;

关键词：

sulfonated poly(ether ether ketone); polybenzimidazole; proton exchange membrane; acid-base interaction; COMPOSITE MEMBRANES; FUEL-CELLS; ACID; MORPHOLOGY; KETONE)S; PBI;

D O I：

10.1177/0954008313482956

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 novel soluble polybenzimidazole with a pendant phenyl group (Ph-PBI) was successfully synthesized based on 4,4-(1,4-phenylenedioxy-2-phenyl) dibenzoic acid and diaminobenzidine. A phenylated sulfonated poly(ether ether ketone) (Ph-SPEEK) with a similar chemical structure to Ph-PBI was selected as matrix. Ph-SPEEK/Ph-PBI membranes were produced by a solution method. The obtained blend membranes exhibited much higher thermal stability as well as oxidative stability and lower water uptake than the pristine Ph-SPEEK membrane. The proton conductivity of the blend membranes could be in the range of 0.0374-0.1456Scm(-1) at 100 degrees C. As a result, the blend membranes also showed improved mechanical properties that may be related with the acid-base interactions between the two components.

引用

页码：697 / 704

页数：8

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