Disclosed are procatalyst compositions having an internal electron donor which includes a silyl glutarate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit strong activity and produce propylene-based olefins with high isotacticity.
披露了具有内部电子给体的催化剂组合物,其中包括
硅基
戊二酸酯和可选的电子给体成分。包含这种催化剂组合物的齐格勒-纳塔催化剂表现出强大的活性,并产生具有高等规聚性的
丙烯基烯烃。