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    • 1. 发明授权
    • Components and catalysts for the polymerization of olefins
    • 用于烯烃聚合的组分和催化剂
    • US06515085B1
    • 2003-02-04
    • US08371048
    • 1995-01-10
    • Sandro ParodiRoberto NocciUmberto GianniniPier Camillo Barbe'Umberto Scata'
    • Sandro ParodiRoberto NocciUmberto GianniniPier Camillo Barbe'Umberto Scata'
    • C08F4649
    • C08F10/00Y02P20/52C08F4/6543C08F4/6465C08F4/6565C08F4/64C08F4/651
    • 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.
    • 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。