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
收藏
页码：697 / 704
页数：8
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