A catalyst for olefin polymerization obtainable by contacting: (a) a transition metal compound containing a transition metal of the Group 4 of the Periodic Table, (b) an organometallic compound, and (c) a solid catalyst component comprising a carrier and an ionized ionic compound capable of forming a stable anion on reaction with a transition metal compound, wherein the ionized ionic compound comprises a cationic component and an anionic component and the cationic component is fixed on the surface of the carrier. The catalyst system of the invention enables production of olefin polymers with excellent physical properties at good productivity without causing contamination of a polymerization vessel.
一种用于烯烃聚合的催化剂,可通过以下步骤获得:(a)接触含有周期表第4组过渡
金属的过渡
金属化合物,(b)有机
金属化合物,和(c)由载体和能够与过渡
金属化合物反应形成稳定阴离子的离子化离子化合物组成的固体催化剂组分,其中离子化离子化合物包括阳离子组分和阴离子组分,阳离子组分固定在载体表面。本发明的催化剂系统使得可以在不污染聚合反应器的情况下,以良好的产出率生产具有优异物理性能的烯烃聚合物。