Particulate Metallocene-Alumoxane Catalyst
    22.
    发明申请
    Particulate Metallocene-Alumoxane Catalyst 审中-公开
    颗粒茂金属 - 铝氧烷催化剂

    公开(公告)号:US20140213743A1

    公开(公告)日:2014-07-31

    申请号:US14227674

    申请日:2014-03-27

    发明人: Martine Slawinski

    IPC分类号: C08F10/02

    摘要: The invention relates to a process for the preparation of a particulate polyethylene product in a loop reactor, wherein the polymerization catalyst applied in the polymerization process comprises a particulate metallocene-alumoxane catalyst immobilized on a porous silica support; and whereby said metallocene-alumoxane catalyst is heterogeneously distributed on said porous silica support.

    摘要翻译: 本发明涉及在环管反应器中制备颗粒状聚乙烯产品的方法,其中在聚合方法中应用的聚合催化剂包含固定在多孔二氧化硅载体上的颗粒茂金属 - 铝氧烷催化剂; 并且所述茂金属 - 铝氧烷催化剂不均匀地分布在所述多孔二氧化硅载体上。