申请人:TOA NENRYO KOGYO KABUSHIKI KAISHA
公开号:EP0157472A1
公开(公告)日:1985-10-09
A process for polymerizing or copolymerizing olefins in the presence of a catalyst composed of
(A) a catalyst component obtained by contacting
(1) a magnesium alkoxide,
(2) a silicon compound having the hydrogen-silicon bond,
(3) an electron donor compound, and
(4) a titanium compound
with one another,
(B) an organic compound of a metal in Group I to III of the Periodic Table, and
(C) a Lewis base having the steric hindrance.
一种在催化剂存在下聚合或共聚烯烃的工艺,催化剂的组成如下
(A) 一种催化剂组分,通过与以下物质接触而获得
(1) 烷氧化镁
(2) 具有氢硅键的硅化合物、
(3) 电子供体化合物,和
(4) 钛化合物
相互结合、
(B) 元素周期表第 I 至 III 族金属的有机化合物,以及
(C) 具有立体阻碍的路易斯碱。