A process for producing a catalyst component used for the polymerization of an α-olefin comprising treating a solid product which is obtained by reacting an organomagnesium compound with a halogenation agent in the presence of an electron donor compound, with a mixture of a halogenated silicon compound and a titanium compound, which has particle size abundant in uniformity, a good flowability and in addition a high polymerization activity and yield ratio of stereo-specific polymers.
一种生产用于α-烯烃聚合的催化剂组分的工艺,包括将
有机镁化合物与卤化剂在电子供体化合物存在下反应得到的固体产物与卤化
硅化合物和
钛化合物的混合物进行处理,该混合物粒度均匀,流动性好,而且具有较高的聚合活性和立体特异性聚合物的产率。