Tetrafluoroethylene copolymer
    2.
    发明授权
    Tetrafluoroethylene copolymer 失效
    四氟乙烯共聚物

    公开(公告)号:US5932673A

    公开(公告)日:1999-08-03

    申请号:US962380

    申请日:1997-10-31

    IPC分类号: C08F214/26 C08F16/24

    CPC分类号: C08F214/262

    摘要: Copolymers of tetrafluoroethylene and perfluoro(ethyl vinyl ether) having perfluoro(ethyl vinyl ether) content of at least 3 wt % exhibit excellent toughness even at melt viscosities of no greater than 25.times.10.sup.3 Pa.s. The copolymers can advantageously be made by aqueous dispersion copolymerization of the monomers in the absence of alkaline buffer and preferably in the absence of organic solvent.

    摘要翻译: 具有至少3重量%的全氟(乙基乙烯基醚)含量的四氟乙烯和全氟(乙基乙烯基醚)的共聚物即使在不大于25×10 3 Pa.s的熔体粘度下也显示出优异的韧性。 共聚物可以有利地通过在不存在碱性缓冲剂的情况下单体的水分散体共聚制备,优选在不存在有机溶剂的情况下制备。