Fluorine-containing diacylperoxides and use thereof
    2.
    发明授权
    Fluorine-containing diacylperoxides and use thereof 失效
    含氟二酰基过氧化物及其用途

    公开(公告)号:US4654444A

    公开(公告)日:1987-03-31

    申请号:US813545

    申请日:1985-12-26

    CPC分类号: C07C407/00

    摘要: A novel fluorine-containing diacylperoxide of the formula:[RO--CH.sub.2 CF.sub.2 CF.sub.2 O--.sub.n CH.sub.2 CF.sub.2 COO--.sub.2 (I)wherein R is a C.sub.1 -C.sub.10 hydrocarbon group or halogen-containing hydrocarbon group, and n is an integer of 0 to 3, which can initiate polymerization of an ethylenically unsaturated monomer at a relatively low temperature.

    摘要翻译: 一种新型含氟二酰基过氧化物,其结构如下:[RO-CH 2 CF 2 CF 2 O-nCH 2 CF 2 COO-2(I)其中R是C1-C10烃基或含卤素的烃基,n是0-3的整数,其可以引发 烯属不饱和单体在较低温度下聚合。

    Fluoride-containing polymer and composition containing same
    3.
    发明授权
    Fluoride-containing polymer and composition containing same 失效
    含氟聚合物和含有其的组合物

    公开(公告)号:US4530972A

    公开(公告)日:1985-07-23

    申请号:US428703

    申请日:1982-09-30

    摘要: A fluorine-containing polymer substantially comprising (A) at least one fluorine-containing olefin of the formula:CF.sub.2 =CXYwherein X is a hydrogen atom or a fluorine atom and Y is a hydrogen atom, a chlorine atom, a fluorine atom, a trifluoromethyl group, a difluoromethyl group, a C.sub.1 -C.sub.3 perfluoroalkoxy group or a group of the formula:--(CF.sub.2).sub.m COOMwherein m is an integer of 0 to 3 and M is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a sodium atom or a potassium atom but when X is a hydrogen atom, Y is always a hydrogen atom, (B) one or more C.sub.4 -C.sub.8 fluorine-containing dienes, (C) at least one iodine atom and (D) at least one saturated or unsaturated fluoro or chlorofluorohydrocarbon group, the molar ratio of the diene (B) and the olefin (A) being from 1.times.10.sup.-4 to 5.times.10.sup.-2, the iodine atom(s) (C) being from 0.001 to 10% by weight based on the weight of the polymer and the molar ratio of the group (D) and the olefin (A) being from 1.times.10.sup.-5 to 5.times.10.sup.-2, can be cross-linked at atmospheric pressure at a cross-linking temperature in the presence of a cross-linking agent. The fluorine-containing polymer may be prepared by polymerizing (B) with the polymerization reaction product of (A) and an iodide compound.

    摘要翻译: 一种含氟聚合物,其基本上包含(A)至少一种下式的含氟烯烃:CF2 = CXY其中X是氢原子或氟原子,Y是氢原子,氯原子,氟原子, 三氟甲基,二氟甲基,C1-C3全氟烷氧基或下式的基团: - (CF2)mCOOM其中m为0-3的整数,M为氢原子,C1-C4烷基,钠 原子或钾原子,但当X为氢原子时,Y始终为氢原子,(B)一种或多种C 4 -C 8含氟二烯,(C)至少一个碘原子和(D)至少一个饱和 或不饱和氟代或氯氟烃基,二烯(B)和烯烃(A)的摩尔比为1×10 -4至5×10 -2,碘原子(C)为0.001至10重量% 关于聚合物的重量和(D)和烯烃(A)的摩尔比为1×10-5至5×10-2的摩尔比可以在大气压下在cro 在交联剂存在下的β-连接温度。 含氟聚合物可以通过(B)与(A)的聚合反应产物和碘化物化合物聚合来制备。

    Novel elastomeric fluoropolymer and preparation thereof
    8.
    发明授权
    Novel elastomeric fluoropolymer and preparation thereof 失效
    新型弹性体氟聚合物及其制备

    公开(公告)号:US4766190A

    公开(公告)日:1988-08-23

    申请号:US917500

    申请日:1986-10-10

    CPC分类号: C08F214/262 C08F2438/01

    摘要: An elastomeric fluoropolymer comprising 12 to 50% by mole of repeating units derived from a perfluorovinyl ether of the formula:CF.sub.2 .dbd.CFO--(CF.sub.2 CFXO).sub.m --R.sub.f (I)wherein R.sub.f is a C.sub.1 -C.sub.6 perfluoroalkyl group, X is a fluorine atom or a trifluoromethyl group and m is an integer of 1 to 5, 50 to 88% by mole of repeating units derived from tetrafluoroethylene and 0.1 to 5% by mole of repeating units of hexafluoropropylene having improved strength and compression set.

    摘要翻译: 包含12-50%(摩尔)衍生自下列通式的全氟乙烯基醚的重复单元:CF 2 = CFO-(CF 2 CFXO)m -R f(I)的弹性体含氟聚合物,其中Rf是C1-C6全氟烷基,X是氟原子 或三氟甲基,m为1至5的整数,50至88摩尔%的衍生自四氟乙烯的重复单元和0.1至5摩尔%的具有改进的强度和压缩永久变形的六氟丙烯的重复单元。