화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.25, No.12, 1199-1204, December, 2017
DOI10.1007/s13233-017-5164-z  Export Citation
Cross-linked sulfonated poly(arylene ether nitrile)s with low swelling and high proton conductivity
Jingchun Liu, Penglun Zheng, Mengna Feng, Renbo Wei†, and Xiaobo Liu†
  • Research Branch of Advanced Functional Materials, School of Microelectronic and Solid-State Electronic, High Temperature Resistant Polymers and Composites Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China
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A series of cross-linked composite membranes were prepared from sulfonated poly (arylene ether nitrile) (SPEN) and 2, 5-diaminobenzensulfonic acid (DABSA) via a direct cross-linking method aiming to obtain low-swelling and excellent proton conductivity membrane. This experiment had two advantages: expectant low-swelling in the extreme temperatureand excellent proton conductivity. Besides, all cross-linked membranes showed excellent thermal stability which exhibiting a temperature of initial decomposition about 250 °C. The membranes showed the IEC values varying from 1.449 to 1.675 mmol·g-1. The result suggested that the SPEN-DABSA membranes are potential candidates as PEM in DMFCs.
Keywords:sulfonated poly(arylene ether nitrile);direct methanol fuel cells;cross-linking;proton conductivity
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