Catalyst system for the (co) polymerization of olefins
    1.
    发明授权
    Catalyst system for the (co) polymerization of olefins 有权
    用于(共)烯烃聚合的催化剂体系

    公开(公告)号:US06683017B2

    公开(公告)日:2004-01-27

    申请号:US09732045

    申请日:2000-12-06

    IPC分类号: B01J3100

    CPC分类号: C08F10/00 C08F4/654 C08F4/651

    摘要: A catalyst system for the (co)polymerization of propylene contains (A) a solid catalyst component comprising titanium, magnesium, halogen and a 1,3-diether; (B) an organic aluminum compound; and optionally (C) an organic silicon compound. In comparison with the prior art, stereospecificity of the polymer prepared by using the catalyst system of this invention evenl containing no external electron-donor is greater than 99%. Also, the activity of the catalyst system and hydrogen gas adjustability on the molecular weight of the polymer do not significantly decrease.

    摘要翻译: 用于丙烯(共)聚合的催化剂体系包含(A)包含钛,镁,卤素和1,3-二醚的固体催化剂组分; (B)有机铝化合物; 和(C)有机硅化合物。 与现有技术相比,通过使用本发明的催化剂体系制备的聚合物的立体定向性不含外电子给体的偶联剂大于99%。 此外,催化剂体系的活性和氢气可调整性对聚合物的分子量没有显着降低。