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    • 20. 发明授权
    • Thermoplastic polymer compositions with modified electrical conductivity
    • 具有改进导电性的热塑性聚合物组合物
    • US5844037A
    • 1998-12-01
    • US686634
    • 1996-07-24
    • Richard A. LundgardSusan J. BabinecRobert D. MussellAshish Sen
    • Richard A. LundgardSusan J. BabinecRobert D. MussellAshish Sen
    • C08J3/20C08J3/22C08L101/00H01B1/24C08K3/04C08L23/04H01B1/06
    • C08J3/226H01B1/24C08J2423/00Y10S524/901
    • A process for preparing an electronically-conductive thermoplastic composition having at least two phases, which includes (A) combining an amorphous or semi-crystalline thermoplastic polymer or miscible blend of polymers with an electronically-conductive carbon under conditions sufficient to disperse the conductive carbon, thereby forming a mixture having at least one phase, with at least 60 percent of the carbon dispersed in a first phase which comprises at least 90 percent by weight of the mixture; and (B) combining the mixture obtained from step (A) with an amorphous or semi-crystalline thermoplastic polymer or miscible blend of polymers, at least a portion of which is immiscible in the first phase, thereby forming a composition having at least two phases. Compositions prepared by this process are sufficiently conductive to be useful for a variety of applications, such as structural materials for applications requiring electromotively-paintable substrates.
    • 一种用于制备具有至少两相的电子导电热塑性组合物的方法,其包括(A)在足以分散导电碳的条件下将非晶或半结晶热塑性聚合物或可混合的聚合物共混物与电子导电碳组合, 从而形成具有至少一相的混合物,其中至少60%的碳分散在包含至少90重量%混合物的第一相中; 和(B)将从步骤(A)获得的混合物与无定形或半结晶热塑性聚合物或可混合的聚合物共混物组合,其至少一部分在第一相中是不混溶的,从而形成具有至少两相的组合物 。 通过该方法制备的组合物具有足够的导电性,可用于各种应用,例如需要电动涂漆基材的应用的结构材料。