Components and catalysts for the polymerization of olefins
    31.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US06515085B1

    公开(公告)日:2003-02-04

    申请号:US08371048

    申请日:1995-01-10

    IPC分类号: C08F4649

    摘要: Catalyst-forming components and catalysts for the polymerization of olefins based on said components are disclosed. The catalysts comprise the reaction product of: (a) an Al alkyl compound; (b) a silicon compound containing at least a Si—OR or Si—OCOR or Si—NR2 bond, R being a hydrocarbyl radical; and (c) a solid comprising, as essential support, a Mg dihalide in active form and, supported thereon, a Ti halide or a halo-Ti-alcoholate or said halogenated Ti compound and a silicon compound as defined in (b) in a molar ratio with the supported Ti compound from 1.0 mole to 5 moles of silicon compound per mole of Ti compound. The present invention refers to new supported components of catalysts for the polymerization of CH2═CHR olefins wherein R is an alkyl radical with 1 to 4 carbon atoms, or an aryl radical, and mixtures of said olefins with ethylene, and to the catalysts obtained from said components.

    摘要翻译: 公开了基于所述组分的用于烯烃聚合的催化剂形成组分和催化剂。 催化剂包含以下反应产物:(a)Al烷基化合物;(b)至少含有Si-OR或Si-OCOR或Si-NR2键的硅化合物,R是烃基; 和(c)固体,其包含活性形式的二卤化镁作为必需的载体,并且在其上负载有Ti卤化物或卤代Ti-醇化物或所述卤代Ti化合物和(b)中定义的硅化合物 与负载的Ti化合物的摩尔比为每摩尔Ti化合物1.0摩尔至5摩尔的硅化合物。 本发明涉及用于聚合CH 2 = CHR烯烃的催化剂的新的负载组分,其中R是具有1-4个碳原子的烷基或芳基,以及所述烯烃与乙烯的混合物,以及由 说组件。

    Spherical components and catalysts for the polymerization of olefins
    34.
    发明授权
    Spherical components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的球形组分和催化剂

    公开(公告)号:US5508245A

    公开(公告)日:1996-04-16

    申请号:US979243

    申请日:1992-11-20

    CPC分类号: C08F10/00

    摘要: Spherical components of catalysts for the polymerization of olefins comprising:(a) a vanadium compound selected from the compounds of formula VOX.sub.2 Y or VX.sub.n Y.sub.n-4n, where X is Cl or Br and Y is Cl, Br OR or NR.sup.I.sub.2(b) MgCl.sub.2 in spherical form.Said components have an average diameter greater than 1 .mu.m, a surface area of at least 10 m.sup.2 /g, a porosity of at least 0.1 g/cm.sup.3 and an X-ray spectrum having particular characteristics.

    摘要翻译: 用于烯烃聚合的催化剂的球形组分包括:(a)选自式VOX2Y或VXnYn-4n的化合物的钒化合物,其中X是Cl或Br,Y是Cl,Br OR或NRI2(b)球形中的MgCl 2 形成。 所述组分具有大于1μm的平均直径,至少10m 2 / g的表面积,至少0.1g / cm 3的孔隙率和具有特定特征的X射线谱。