Internal donor structure for olefin polymerization catalysts and methods of making and using same
申请人:W.R. Grace & Co.-Conn.
公开号:US10144790B2
公开(公告)日:2018-12-04
The presently disclosed and claimed inventive concept(s) relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound having at least one ester group and at least one alkoxy group, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The presently disclosed and claimed inventive concept(s) further relates to methods of making the catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
本发明公开和要求的发明概念涉及固体催化剂组分,包括钛、镁、卤素和具有至少一个酯基和至少一个烷氧基的内部电子供体化合物,以及含有催化剂固体组分、有机铝化合物和有机硅化合物的催化剂体系。本公开和权利要求的发明概念进一步涉及制造催化剂组分和催化剂体系的方法,以及使用催化剂体系聚合或共聚α-烯烃的方法。