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24 条记录 (耗时 0.047 秒)

    Thermoplastic polymer compositions with modified electrical conductivity
    6.
    发明授权
    Thermoplastic polymer compositions with modified electrical conductivity 失效
    具有改进导电性的热塑性聚合物组合物

    公开(公告)号：US5844037A

    公开(公告)日：1998-12-01

    申请号：US686634

    申请日：1996-07-24

    申请人： Richard A. Lundgard ,  Susan J. Babinec ,  Robert D. Mussell ,  Ashish Sen

    发明人： Richard A. Lundgard ,  Susan J. Babinec ,  Robert D. Mussell ,  Ashish Sen

    IPC分类号： C08J3/20 ,  C08J3/22 ,  C08L101/00 ,  H01B1/24 ,  C08K3/04 ,  C08L23/04 ,  H01B1/06

    CPC分类号： C08J3/226 ,  H01B1/24 ,  C08J2423/00 ,  Y10S524/901

    摘要： 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.

    摘要翻译： 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。

    Compositions useful for making microporous polyvinylidene fluoride membranes, and process
    10.
    发明授权
    Compositions useful for making microporous polyvinylidene fluoride membranes, and process 失效
    用于制造微孔聚偏二氟乙烯膜的组合物和方法

    公开(公告)号：US5013339A

    公开(公告)日：1991-05-07

    申请号：US446027

    申请日：1989-12-05

    申请人： Robert D. Mahoney ,  Richard A. Lundgard

    发明人： Robert D. Mahoney ,  Richard A. Lundgard

    IPC分类号： B01D71/34 ,  C08J3/09

    CPC分类号： C08J3/095 ,  B01D71/34 ,  C08J2327/16

    摘要： This invention relates a composition useful for preparing a polyvinylidene fluoride polymer membrane containing (1) a polyvinylidene fluoride polymer, (2) glycerol monoacetate, glycerol diacetate, glycerol triacetate, or mixtures thereof, and (3) optionally glycerol, wherein the polyvinylidene fluoride polymer membrane prepared from the composition is useful for a membrane liquid separation process such as microfiltration, ultrafiltration, dialysis, or membrane stripping. In another aspect, this invention is an improved process for using the composition to prepare a polyvinylidene fluoride polymer membrane by forming a mixture of the composition, heating the mixture to a temperature at which the mixture becomes a homogeneous fluid, and extruding, molding, or casting the homogeneous fluid into a membrane. Another aspect of this invention relates to a polyvinylidene fluoride polymer membrane where the fabricated membrane contains glycerol monoacetate, glycerol diacetate, glycerol triacetate, or mixtures thereof, and optionally glycerol.

    摘要翻译： 本发明涉及用于制备聚偏二氟乙烯聚合物膜的组合物，其包含（1）聚偏二氟乙烯聚合物，（2）甘油单乙酸酯，甘油二乙酸酯，甘油三乙酸酯或其混合物，和（3）任选的甘油，其中聚偏二氟乙烯聚合物 从组合物制备的膜可用于膜分离过程如微滤，超滤，透析或膜剥离。 另一方面，本发明是一种改进的方法，用于使用该组合物来制备聚偏二氟乙烯聚合物膜，方法是通过形成组合物的混合物，将混合物加热到混合物变成均匀流体的温度，挤出，成型或 将均匀流体浇铸成膜。 本发明的另一方面涉及聚偏二氟乙烯聚合物膜，其中制造的膜含有甘油单乙酸酯，甘油二乙酸酯，甘油三乙酸酯或其混合物，以及任选的甘油。