| 光谱学与光谱分析 |
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| Spectroscopy Analysis Application on Proton Exchange Membrane with 1,3,4-Oxadiazole |
| REN Chun-li1, ZHAO Cheng-ji3, WANG Zhe1, 2*, REN Fei1, CHENG Hai-long1, XU Jing-mei1, ZHANG Hui-xuan1, 2* |
1. School of Chemical Engineering, Engineering Research Center of Sythetic Resin and Special Chemical Fiber, Changchun University of Technology, Changchun 130012, China
2. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130012, China
3. Jilin University, College of Chemistry, Changchun 130012, China |
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Abstract A series of novel Sulfonted poly(arylene ether sulfone)s (SPAES) containing 1,3,4-oxadiazole are prepared via direct polycondensation reactions to precisely control the degree of sulfonation. The structures of these compounds were confirmed by FTIR, H-NMR and TGA. The characteristic peaks of transmittances spectra of C=N were found at 1 603 cm-1 and by H-NMR further confirm the structures, which has been successful introducing the oxadiazole ring. In each TGA curve can observe two distinct weight loss steps, which the one at 300 ℃and the second at 450 ℃ were mainly attributed to the splitting-off of sulfonic acid groups and decomposition of the main chain of the SPAES. The TGA exhibit excellent thermal properties may be satisfied with the basic requirements of proton exchange membrane (PEM) for fuel cells.
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Received: 2012-05-15
Accepted: 2012-08-25
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Corresponding Authors:
WANG Zhe, ZHANG Hui-xuan
E-mail: wzccut@126.com
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