The solid catalyst component for polymerization of olefins comprising (a) a magnesium compound, (b) titanium tetrachloride, (c) a phthalic acid diester or a derivative thereof, and (d1) a hydroxy group-containing hydrocarbon compound having a specific structure or (d2) a mercapto group-containing hydrocarbon compound having a specific structure and the olefin polymerization catalyst can produce olefin polymers in a very high yield, particularly can produce propylene polymers in a very high yield, while retaining high stereoregularity.
用于
烯烃聚合的固体
催化剂组分包括:(a)
镁化合物;(b)
四氯化钛;(c)
邻苯二甲酸二
酯或其衍
生物;(d1) 具有特定结构的含羟基烃化合物或 (d2) 具有特定结构的含巯基烃化合物,该
烯烃聚合
催化剂能以极高的产率生产
烯烃
聚合物,特别是能以极高的产率生产
丙烯聚合物,同时保持较高的立体规整性。