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): R
1
R
2
C═C(COOR
3
)(COOR
4
), 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.
使用一种包括
钛、
镁、卤素和酯化合物(A)的固体催化剂组分(式子1:R1R2C═C(COOR3)(COOR4))进行烯烃聚合得到的烯烃聚合物,加上
有机铝化合物和可选的外部电子给体化合物,表现出与包括
邻苯二甲酸酯作为电子给体的固体催化剂组分得到的烯烃聚合物相似的主要性质(如分子量分布和立构规则性)。