A solid titanium-containing catalyst component is prepared by reacting a magnesium compound of the formula [Mg₄(OR)₆(RʹOH)₁₀]X, wherein X is at least one counter ion and has a total charge of -2 and R and Rʹ, which may be the same or different, are alkyl groups of 1 to 4 carbon atoms, with a halogen compound of tetravalent titanium and an electron donor. The solid catalyst component possesses excellent morphology and can be used to prepare olefin polymers with high productivity and selectivity.
一种固体含
钛催化剂组分是通过将式[Mg₄(OR)₆(RʹOH)₁₀]X的
镁化合物与四价
钛的卤素化合物和电子供体反应制备的,其中X为至少一个反离子且总电荷为-2,R和Rʹ可以相同或不同,均为1至4个碳原子的烷基。固体催化剂组分具有优异的形态,可用于制备具有高生产率和高选择性的烯烃聚合物。