申请人:Grand Polymer Co., Ltd.
公开号:EP0959083A1
公开(公告)日:1999-11-24
A method for preparing an α-olefin polymer comprising the step of polymerizing or copolymerizing an α-olefin in the presence of a catalyst containing a solid catalyst constituent (A) which contains magnesium, titanium, a halogen element and an electron donor, an organoaluminum compound constituent (B), an organosilicon compound constituent (C) represented by the following general formula (1); and an organosilicon compound constituent (D) represented by the following general formulas (2) or (3) to prepare an α-olefin polymer
RnSi(OR)4-n (1)
(wherein R is a hydrocarbon group having 1 to 8 carbon atoms, n is integer of 1 or 2)
(wherein R1 is a hydrocarbon group having 1 to 8 carbon atoms, R2 is a hydrocarbon group having 1 to 8 carbon atoms, a hydrocarbylamino group having 2 to 24 carbon atoms, or a hydrocarbylalkoxy group having 1 to 24 carbon atoms, R3N is a polycyclic amino group having 7 to 40 carbon atoms, wherein the carbon atoms and the nitrogen atom form a cyclic skeleton).
一种制备α-烯烃聚合物的方法,包括以下步骤:在催化剂存在下,使α-烯烃聚合或共聚,该催化剂包含含有镁、钛、卤素元素和电子供体的固体催化剂成分(A),有机铝化合物成分(B),由以下通式(1)表示的有机硅化合物成分(C),以及由以下通式(2)或(3)表示的有机硅化合物成分(D),以制备α-烯烃聚合物;和由以下通式 (2) 或 (3) 表示的有机硅化合物成分 (D),以制备 α 烯烃聚合物
RnSi(OR)4-n (1)
(其中 R 为具有 1 至 8 个碳原子的烃基,n 为 1 或 2 的整数)
(其中 R1 是具有 1 至 8 个碳原子的烃基;R2 是具有 1 至 8 个碳原子的烃基、具有 2 至 24 个碳原子的烃基氨基或具有 1 至 24 个碳原子的烃基烷氧基;R3N 是具有 7 至 40 个碳原子的多环氨基,其中碳原子和氮原子形成环状骨架)。