PROCESS FOR PRODUCING HIGHLY STEREOREGULAR ALPHA-OLEFIN POLYMERS

摘要

A process for producing highly stereoregular alpha -olefin polymers which comprises polymerizing alpha -olefins in the presence of a catalyst system comprising: (A) a solid catalyst obtained by contact reaction between (a) a solid product prepared by reacting an organo-magnesium compound with at least one of halogenated silicon compound (I) and halogenated aluminum compound (II) in a solvent and (b) a titanium compound having both titanium-aryloxy and titanium-halogen linkages, and (B) an organo-aluminum compound as an activating agent.