申请人:Toho Titanium Co., Ltd.
公开号:EP1260524A1
公开(公告)日:2002-11-27
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。