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    • 9. 发明公开
    • HIGH EXCHANGE CAPACITY PERFLUORINATED ION EXCHANGE RESIN, PREPARATION METHOD AND USE THEREOF
    • 与交换容量高,方法和用途的全氟化离子交换树脂
    • EP2514773A1
    • 2012-10-24
    • EP09852156.0
    • 2009-12-15
    • Shandong Huaxia Shenzhou New Material Co., Ltd.
    • ZHANG, YongmingZHANG, HengQIN, ShengGAO, ZihongWANG, LiLI, YongSONG, Xuezhang
    • C08F214/26
    • C08F214/265C08F214/26C08F214/262C08F214/267C08J5/2243C08J2327/12H01M8/1023H01M8/1039H01M2008/1095Y02E60/522
    • The present invention provides a high exchange capacity perfluorinated resin comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, which is prepared by copolymerizing tetrafluoroethylene, vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, and vinyl ether monomer comprising bromine-containing pendant group, wherein based on all monomer units in the copolymer, the mol % of tetrafluoroethylene monomer is 50-85%, the mol % of vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures is 5-49% and the mol % of vinyl ether monomer comprising bromine-containing pendant group is 1-10%. Perfluorinated ion exchanges membrane prepared from such perfluorinated resin have resistance to various chemical media, high ion exchange capacity, high conductivity, high mechanical strength, high size stability, low membrane electrical resistance and long service life, and may be applied in fuel cells or high-temperature fuel cells.
    • 本发明提供一交换容量高的全氟化树脂,其包含2种不同结构的磺酰含氟化物的短侧基,所有这些制备通过共聚四氟乙烯,乙烯基醚单体包括2种不同结构的磺酰含氟化物的短侧基, 和worin基于共聚物的全部单体单元的乙烯基醚单体,其包含含溴的侧基,四氟乙烯单体的摩尔%是50-85%时,摩尔%乙烯基醚单体包括2种磺酰氟化含短侧链 不同结构的基团是5-49%和乙烯基醚单体的摩尔%的包含含溴的侧基是1-10%。 全氟化的离子交换膜与求的全氟化树脂具有各种化学介质,高离子交换容量,高导电性,高机械强度,高尺寸稳定性,低的膜电阻和长使用寿命性制备,并且可以在燃料电池或高被应用 - 温度的燃料电池。