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    • 5. 发明授权
    • Conductive melt-processible fluoropolymer
    • 导电可熔融加工的含氟聚合物
    • US06582628B2
    • 2003-06-24
    • US10151831
    • 2002-05-21
    • Shosaku KondoKasuke IshiiHajime SatoJeong Chang LeeNoriyuki Suzuki
    • Shosaku KondoKasuke IshiiHajime SatoJeong Chang LeeNoriyuki Suzuki
    • H01B104
    • H01B1/24C08J3/203C08J2327/12C08K3/04C08L27/12
    • A method for producing an electrically conducting melt-processible fluoropolymer comprising pulverizing a composition of (a) carbon aggregate and (b) coagulum particles of aqueous dispersion polymerized melt-processible fluoropolymer, coating the coagulum particle with the disintegrated particles of carbon black. The preferred composition comprises a structured carbon black such as acetylene black and a melt processible fluoropolymer wherein said melt processible fluoropolymer has two crystallization peaks in a DSC cooling curve when allowed to crystallize from a temperature of not less than its melting point at a cooling rate of 12° C./min; and the ratio of the crystallization peak heights (high temperature side peak/low temperature side peak) is 0.65 or greater; and/or the ratio of the high temperature side crystallization peak area to the total area of the crystallization peaks [high temperature side peak area/(high temperature side peak area+low temperature side peak area)] is 0.18 or greater.
    • 一种制造导电的可熔融加工的含氟聚合物的方法,包括将(a)碳骨料和(b)水分散体聚合的可熔融加工的含氟聚合物的凝结物颗粒的组合物粉碎,用碳黑的分解颗粒涂覆凝结物颗粒。 优选的组合物包含结构化炭黑如乙炔黑和可熔融加工的含氟聚合物,其中所述可熔融加工的含氟聚合物在DSC冷却曲线中具有两个结晶峰,当其以不低于其熔点的温度结晶时,以冷却速率 12℃/ min; 结晶峰高(高温侧峰/低温侧峰)的比为0.65以上; 和/或高温侧结晶峰面积与结晶峰的总面积的比[高温侧峰面积/(高温侧峰面积+低温侧峰面积)]为0.18以上。