The present invention describes a process of preparing a catalyst for olefin polymerization comprising: (i) treating a magnesium metal with an organohalide along with an internal donor to obtain a reaction mixture having solid component (A); (ii) treating the reaction mixture having solid component (A) with an acyl halide to obtain a reaction mixture having solid component (B); and (iii) treating the reaction mixture having solid component (B) of step (ii) with a transition metal compound to obtain the catalyst. The present invention also relates to a process for preparation of a catalyst system from said catalyst and preparation of a polyolefins from the catalyst system.
本发明描述了一种制备烯烃聚合催化剂的工艺,包括:(i) 将
金属
镁与有机卤化物和内部供体一起处理,得到具有固体组分(A)的反应混合物;(ii) 将具有固体组分(A)的反应混合物与酰基卤化物一起处理,得到具有固体组分(B)的反应混合物;(iii) 将步骤(ii)中具有固体组分(B)的反应混合物与过渡
金属化合物一起处理,得到催化剂。本发明还涉及用上述催化剂制备催化剂体系和用催化剂体系制备聚烯烃的工艺。