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化工学报  2015 

离子交换容量可控自交联型阴离子交换膜的制备

DOI: 10.11949/j.issn.0438-1157.20150362, PP. 237-241

Keywords: 电解质,自交联,双功能化试剂,渗透率,燃料电池

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Abstract:

以N-溴代丁二酰亚胺(NBS)为溴化试剂,对十氟二唑与四甲基双酚A(TM-BPA)聚合的聚合物主链进行溴化,随后以N-乙烯基咪唑作为双功能化试剂进行功能化,制备了含有双功能化试剂的氟化聚二唑芳醚阴离子交换膜。其中,功能化试剂(作为离子交换的功能基传导离子及作为膜内分子的交联点)改善膜物理性质。制备的阴离子交换膜在80℃下的离子传导率为9.02×10-2S·cm-1,甲醇渗透率为1.89×10-7cm2·s-1(20℃),在碱性燃料电池中具有应用潜力。

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