Polymerization Process
    11.
    发明申请
    Polymerization Process 有权
    聚合过程

    公开(公告)号:US20080269435A1

    公开(公告)日:2008-10-30

    申请号:US10585199

    申请日:2004-12-27

    IPC分类号: C08F2/00 B01J19/00

    摘要: A process for the polymerisation of ethylene and optionally at least one C3-20 alpha olefin comonomer in the slurry or solution phase in a reactor having a polymer outlet stream, a procatalyst or catalyst feed stream and a hydrogen feed stream, said polymerisation being effected in the presence of a metallocene catalyst, a diluent and hydrogen, wherein said diluent is recycled from said outlet stream to said hydrogen feed stream, said procatalyst or catalyst feed stream is free of hydrogen, said hydrogen feed stream is free of procatalyst or catalyst and said procatalyst or catalyst feed stream does not comprise recycled diluent.

    摘要翻译: 在具有聚合物出口流,原催化剂或催化剂进料流和氢气的反应器中,在淤浆或溶液相中使乙烯和任选的至少一种C 3-20α-烯烃共聚单体聚合的方法 所述聚合在茂金属催化剂,稀释剂和氢气存在下进行,其中所述稀释剂从所述出口流再循环到所述氢气进料流中,所述前催化剂或催化剂进料流不含氢气,所述氢气进料流 不含主催化剂或催化剂,并且所述原催化剂或催化剂进料流不包含再循环稀释剂。