Finely divided aluminoxane, process for producing same and its use.

摘要

A finely divided aluminoxane comprising an aluminoxane represented by formula [1] or [11] wherein R denotes a hydrocarbon group having 1 to 10 carbon atoms and m denotes an integer of 2 to 50, an average particle size being 5 to 200 mu m and a specific surface area being 20 to 1000 m<2>g/ a process for producing the same, and a catalyst component for polymerization of olefins being said finely divided aluminoxane.