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    • 4. 发明授权
    • Molding material
    • 成型材料
    • US06635717B1
    • 2003-10-21
    • US09530515
    • 2000-07-05
    • Mitsuru KishineMasanori KitaichiTsuyoshi NoguchiYoshito TanakaTakayuki ArakiSadashige Irie
    • Mitsuru KishineMasanori KitaichiTsuyoshi NoguchiYoshito TanakaTakayuki ArakiSadashige Irie
    • C08F25900
    • C08F293/00C09K3/1009
    • According to the present invention, it is possible to provide a molding material, for example, a sealing material for semiconductor-related production apparatuses which comprises a fluorine-containing multi-segment polymer being excellent in mechanical properties (particularly at high temperature), abrasion resistance and transparency and ensuring reduced contamination and reduced gas permeation while maintaining inherent characteristics of a fluorine-containing elastomer such as flexibility, elasticity, sealing property, chemical resistance and heat resistance. A molding material comprising a fluorine-containing multi-segment polymer having an elastomeric fluorine-containing polymer chain segment and a non-elastomeric fluorine-containing polymer chain segment, in which the elastomeric fluorine-containing polymer chain segment imparts flexibility to the whole polymer and has perhaloolefin units as a recurring unit in an amount of not less than 95% by mole.
    • 根据本发明,可以提供一种成型材料,例如,用于半导体相关生产设备的密封材料,其包括机械性能(特别是在高温下)具有优异的含氟多段聚合物,耐磨性 电阻和透明度,并且确保减少污染和降低气体渗透,同时保持含氟弹性体的固有特性,例如柔性,弹性,密封性,耐化学性和耐热性。 一种包含具有弹性体含氟聚合物链段和非弹性含氟聚合物链段的含氟多段聚合物的模塑材料,其中弹性体含氟聚合物链段赋予整个聚合物柔性, 具有不低于95摩尔%的重复单元的全卤代烯烃单元。