SOLID TITANIUM CATALYST COMPONENT, CATALYST FOR OLEFIN POLYMERIZATION, AND PROCESS FOR PRODUCING OLEFIN POLYMER
申请人:Mitsui Chemicals, Inc.
公开号:EP1816146A1
公开(公告)日:2007-08-08
The present invention provides a process for producing an α-olefin polymer comprising polymerizing or copolymerizing (a) C3 or higher α-olefin(s) in the presence of an olefin polymerization catalyst comprising solid titanium catalyst component (I) containing titanium, magnesium, halogen, and a compound with a specific structure having two or more ether linkages and organometallic catalyst component (II) with high catalytic activity. In this process, particularly even in (co)polymerizing (a) higher olefin(s), demineralization is unnecessary. A 4-methyl-1-pentene-based polymer obtained by polymerization using the catalyst of the present invention is excellent in tacticity, transparency, heat resistance, and releasability, and the polymer is particularly suitable for a release film.
本发明提供了一种生产α-烯烃聚合物的工艺,该工艺包括在烯烃聚合催化剂存在下,使(a)C3或更高的α-烯烃聚合或共聚,烯烃聚合催化剂包括固体钛催化剂组分(I),固体钛催化剂组分(I)含有钛、镁、卤素和具有两个或更多醚键的特定结构的化合物,以及具有高催化活性的有机金属催化剂组分(II)。在这一工艺中,特别是甚至在(a)高级烯烃的(共)聚合过程中,也不需要进行脱矿物质处理。使用本发明催化剂聚合得到的 4-甲基-1-戊烯基聚合物在触感、透明度、耐热性和可释放性方面都很出色,这种聚合物特别适合用作离型膜。