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    • 2. 发明申请
    • FLUOROPOLYMERS HAVING IMPROVED COMPRESSION SET
    • 具有改进压缩组的氟聚合物
    • WO2004009660A1
    • 2004-01-29
    • PCT/US2003/014842
    • 2003-05-13
    • 3M INNOVATIVE PROPERTIES COMPANY
    • COGGIO, William D.,SCOTT, Peter, J.HINTZER, KlausHARE, Erik, D.
    • C08F214/18
    • C08F214/16C08F214/265
    • The present invention provides a curable composition comprising a fluoropolymer comprising interpolymerized units derived from (i) CF 2 =CF-R f , wherein R f is fluorine or a C 1 -C 8 perfluoroalkyl, (ii) at least about 10 mole percent of a hydrogen-containing C 2 -C 9 olefin, based on the total moles of said CF 2 =CFR f and said olefin, (iii) an average of two or more bromine atoms including one or more terminal bromine atom(s) per fluoropolymer chain, (iv) optionally CX 2 =CX-R, wherein each X is independently H, F, or Cl and R is a halogen or a C 1 -C 8 alkyl or alkenyl group that may include one or more ether linkage(s), (v) optionally a bromine-containing cure site monomer; (b) optionally, a peroxide curing agent; and (c) optionally, a crosslinking co-agent.The invention also provides methods of making and using such fluoropolymer compositions.
    • 本发明提供一种可固化组合物,其包含含氟聚合物,其包含衍生自(i)CF 2 = CF-R f的共聚单元,其中Rf为氟或C1-C8全氟烷基,(ii)至少约10摩尔%的含氢C2 -C9烯烃,基于所述CF 2 = CFR f和所述烯烃的总摩尔数,(iii)平均每个含氟聚合物链包括一个或多个末端溴原子的两个或更多个溴原子,(iv)任选地CX2 = CX -R,其中每个X独立地是H,F或Cl,R是可以包括一个或多个醚键的卤素或C 1 -C 8烷基或烯基,(v)任选的含溴固化位点 单体; (b)任选地,过氧化物固化剂; 和(c)任选的交联助剂。本发明还提供制备和使用这种含氟聚合物组合物的方法。