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    • 10. 发明申请
    • Conductive fluoropolymers
    • 导电氟聚合物
    • US20030089894A1
    • 2003-05-15
    • US10293686
    • 2002-11-13
    • 3M Innovative Properties Company
    • Attila MolnarSteven R. ParsonsThomas J. Blong
    • H01B001/06H01C001/00
    • H01B1/24C08F214/18C08L23/04C08L23/10C08L27/18C08L2666/04
    • The invention provides a melt-processable conductive fluorothermoplastic composition comprising three components. The first component is at least one melt-processable, thermoplastic fluoropolymer component having its interpolymerized units derived from (i) at least 50 wt % of TFE, and (ii) one or more ethylenically-unsaturated monomers represented by the formulas (a) CF2nullCFnullRf, (b) CF2nullCFnullOnullRfnull, and (c) CH2nullCR2, wherein Rf is a perfluoroalkyl of 1 to 8 carbon atoms, Rfnull is Rf or a perfluoroalkoxy of 1 to 8 carbon atoms, and R is selected from H, F, Cl, or an aliphatic group having from 1 to 8 carbon atoms which may have F or Cl substituents. The thermoplastic fluoropolymer component is substantially free of interpolymerized units derived from VDF. The second component is from about 0.1 to about 10 weight percent of a hydrocarbon polymer, and the third component is from about 1 to about 20 weight percent of conductive filler. The invention also provides a method for making fluorothermoplastic compositions and shaped articles comprising a conductive fluorothermoplastic composition.
    • 本发明提供了包含三种组分的可熔融加工的导电性氟热塑性组合物。 第一组分是至少一种可熔融加工的热塑性含氟聚合物组分,其具有衍生自(i)至少50重量%的TFE的共聚单元,和(ii)由式(a)CF 2表示的一种或多种烯键式不饱和单体 = CF-Rf,(b)CF 2 = CF-O-Rf'和(c)CH 2 = CR 2,其中Rf是1至8个碳原子的全氟烷基,Rf'是Rf或1至8个碳原子的全氟烷氧基 并且R选自H,F,Cl或具有1至8个碳原子的可具有F或Cl取代基的脂族基团。 热塑性含氟聚合物组分基本上不含衍生自VDF的共聚单元。 第二组分为约0.1至约10重量%的烃聚合物,第三组分为约1至约20重量%的导电填料。 本发明还提供了一种制备含氟热塑性组合物和包含导电性氟热塑性组合物的成型制品的方法。