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    • 79. 发明授权
    • Ziegler-natta catalyst systems and polymers formed therefrom
    • 齐格勒 - 纳塔催化剂体系和由其形成的聚合物
    • US08592535B2
    • 2013-11-26
    • US12685198
    • 2010-01-11
    • Kayo VizziniDavid KnoeppelLei Zhang
    • Kayo VizziniDavid KnoeppelLei Zhang
    • C08F4/46C08F4/18
    • C08F10/00C08F110/02C08F4/6548C08F4/6555C08F2500/07C08F2500/26
    • Processes of forming catalyst systems, catalyst systems and polymers formed therefrom are described herein. The processes generally include providing a first compound including a magnesium dialkoxide, contacting the first compound with a second compound to form a solution of reaction product “A”, wherein the second compound is generally represented by the formula: Ti(OR1)4; wherein R1 is selected from C1 to C10 linear to branched alkyls, contacting the solution of reaction product “A” with a first metal halide to form a solid reaction product “B”, contacting solid reaction product “B” with a second metal halide to form reaction product “C” and contacting reaction product “C” with reducing agent to form a catalyst component.
    • 本文描述了形成催化剂体系,催化剂体系和由其形成的聚合物的方法。 所述方法通常包括提供包含二烷氧基镁的第一化合物,使第一化合物与第二化合物接触以形成反应产物“A”的溶液,其中第二化合物通常由下式表示:Ti(OR 1)4; 其中R1选自C1至C10直链至支链烷基,使反应产物“A”的溶液与第一金属卤化物接触以形成固体反应产物“B”,使固体反应产物“B”与第二金属卤化物接触 形成反应产物“C”并使反应产物“C”与还原剂接触以形成催化剂组分。