SOLID TITANIUM CATALYST COMPONENT AND USE THEREOF IN THE PRODUCTION OF OLEFIN POLYMERS OR COPOLYMERS

摘要

A solid titanium catalyst component for the production of olefin polymers or copolymers, comprising titanium, magnesium, halogen and an electron donor as essential ingredients, said component further comprising an inert liquid hydrocarbon in an amount of, based on the weight of said component, of about 1 to about 10% when said component has a uniformity coefficient of at least 4, and about 1 to about 25% when said component has a uniformity coefficient of less than 4.