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    • 8. 发明公开
    • FLUOROPOLYMER COMPOSITIONS WITH HIGH CONTENT OF INORGANIC MATERIAL
    • 高含量无机材料的含氟聚合物组合物
    • EP3219771A1
    • 2017-09-20
    • EP16160197.6
    • 2016-03-14
    • 3M Innovative Properties Company
    • Hintzer, KlausDadalas, Michael
    • C09D127/18H01M4/62C08K3/04C08K3/22C08K7/06C08K7/24C08K13/04C08K13/02C08K3/32
    • C09D127/18C08K2003/2203C08K2003/324C08K2003/328H01G11/38H01M4/623Y02E60/13C08K3/04C08K3/22C08K13/04C08K7/06C08K7/24C08K13/02C08K3/32
    • A fluoropolymer composition comprising
      (i) fluoropolymer particles comprising repeating units derived from at least one perfluorinated comomoner selected from tetrafluoroethene (TFE), hexafluoropropene (HFP) and a combination thereof and one or more non-perfluorinated comonomers selected from vinylidenefluoride (VDF), ethene (E), propene (P) and a combination thereof; wherein the total amount of the perfluorinated comonomers is at least 40 % by mole based on the total amount in moles of comonomers and wherein the fluoropolymer is melt processable;
      (ii) particles comprising electro-active material, wherein the electro-active material comprises graphite and metal compounds and combinations thereof;
      (iii) optionally, carbonaceous particles other than graphite;
      (iv) water;
      (v) an organic liquid having a boiling point between 70 °C and 200 °C selected from hydrocarbons and functional hydrocarbons containing one or more functionality selected from nitriles, chlorines, and oxygen-containing functionalities selected from ethers, alcohols, carboxylates, carboxylate esters and combinations thereof,
      wherein the amount by weight of the substantially inorganic particles (ii) is greater than the amount of fluoropolymer particles (i) and wherein the amount by weight of water is greater than the amount of organic liquid.
      Also provided are methods of making the paste and methods of making electrodes and electrodes made with the paste.
    • 一种含氟聚合物组合物,其包含(i)含有衍生自至少一种选自四氟乙烯(TFE),六氟丙烯(HFP)及其组合的全氟化共聚单体的重复单元的氟聚合物颗粒和一种或多种选自偏二氟乙烯(VDF),乙烯 (E),丙烯(P)及其组合; 其中所述全氟化共聚单体的总量基于共聚单体的总摩尔量为至少40摩尔%,并且其中所述含氟聚合物是可熔融加工的; (ii)包含电活性材料的颗粒,其中所述电活性材料包含石墨和金属化合物及其组合; (iii)任选的除石墨之外的碳质颗粒; (iv)水; (v)沸点在70℃和200℃之间的有机液体,其选自烃和含有一个或多个选自腈,氯和选自醚,醇,羧酸酯,羧酸酯的含氧官能团的官能团的官能烃 以及它们的组合,其中基本上无机粒子(ii)的重量含量大于含氟聚合物粒子(i)的含量,并且其中水的重量含量大于有机液体的含量。 还提供了制造糊剂的方法和制造用糊剂制造的电极和电极的方法。