期刊
EUROPEAN POLYMER JOURNAL
卷 52, 期 -, 页码 76-87出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2013.12.003
关键词
Poly(arylene ether-1,3,4oxadiazole); Polycondensation; Sulfonation; Blend membrane
资金
- DFG [KE 673/10-1]
In this study we present the synthesis and characterization of sulfonated poly(arylene ether-1,3,4-oxadiazole) derivatives. The polymers were prepared by the polycondensation reaction of bisphenol A, bisphenol S and bisphenol AF with 2,5-bis(pentafluorophenyl)-1,3,4-oxadiazole, followed by sulfonation with oleum. The polymers were characterized using elemental analysis, H-1, C-13 and F-19 NMR analysis. The obtained polyelectrolytes were blended with excess of polybenzimidazoles producing stable and flexible polymer films which showed high thermal stability and reasonable proton conductivity after doping with phosphoric acid. This study confirms that poly(arylene ether 1,3,4-oxadiazole)s are promising candidates as proton exchange membranes in intermediate- and high-temperature fuel cell applications. (C) 2013 Elsevier Ltd. All rights reserved.
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