申请人:Hosaka Motoki
公开号:US20050227856A1
公开(公告)日:2005-10-13
A solid catalyst component for polymerization of olefins prepared by contacting (a) a dialkoxy magnesium compound, (b) a tetra-valent titanium halide, and (c) an electron donor compound of the formula R
1
R
2
C(COOR
3
)
2
suspended in (d) an aromatic hydrocarbon having a boiling point in the range of 50-150° C. The catalyst containing the catalyst component is excellent in the olefin polymerization catalyst activity to hydrogen and can produce a polymer with a high stereoregularity in a high yield.
一种用于烯烃聚合的固体催化剂组分,其制备方法是将(a)二烷氧基镁化合物,(b)四价卤化钛,和(c)式 R 的电子供体化合物相接触
1
R
2
C(COOR
3
)
2
含有该催化剂组分的催化剂对氢气的烯烃聚合催化活性极佳,并能以高产率生产出立体规整度高的聚合物。