Fluorovinyl ether
    71.
    发明授权
    Fluorovinyl ether 失效
    氟乙烯基醚

    公开(公告)号:US5401818A

    公开(公告)日:1995-03-28

    申请号:US258183

    申请日:1994-06-10

    CPC分类号: C07C43/17 C08F216/1416

    摘要: A fluorovinyl ether of the formula:R.sub.f --(OCF.sub.2 CF.sub.2 CF.sub.2).sub.n --OCF.dbd.CF.sub.2(I)wherein R.sub.f is a C.sub.1 -C.sub.5 perfluoroalkyl group, n is an integer of 1 to 4 provided that when n is 1 (one), R.sub.f is other than a trifluoromethyl group, a copolymer of which with an ethylenically unsaturated compound has a low glass transition temperature and improved low temperature properties.

    摘要翻译: 具有下式的氟代乙烯醚:Rf-(OCF 2 CF 2 CF 2)n OCF = CF 2(I)其中R f是C 1 -C 5全氟烷基,n是1至4的整数,条件是当n是1(1)时,Rf是 除了三氟甲基以外,其与烯属不饱和化合物的共聚物具有低玻璃化转变温度和改善的低温性能。