An olefin polymer that is obtained using an olefin polymerization catalyst that includes a solid catalyst component for olefin polymerization that includes titanium, magnesium, a halogen, and an ester compound (A) represented by the following formula (1): R1R2C=C(COOR3)(COOR4), an organoaluminum compound, and an optional external electron donor compound, exhibits primary properties (e.g., molecular weight distribution and stereoregularity) similar to those of an olefin polymer obtained using a solid catalyst component that includes a phthalic ester as an electron donor.
使用一种烯烃聚合催化剂获得的烯烃聚合物,该催化剂包括用于烯烃聚合的固体催化剂组分,该组分包括
钛、
镁、卤素和由下式(1)表示的酯化合物(A):R1R2C=C(COOR3)(COOR4)、一种
有机铝化合物和一种任选的外部电子供体化合物,其主要性质(如分子量分布和立体规整性)与使用包括
邻苯二甲酸酯作为电子供体的固体催化剂组分获得的烯烃聚合物的性质相似。