MIXED TRANSITION METAL CATALYST SYSTEMS FOR THE POLYMERIZATION OF POLYMERISABLE MONOMERS

摘要

A catalyst component for the preparation of polyolefins comprising a metallocene having the general formula (I) : L<1>nYZM<1>XP (the symbols have the meaning as defined in the specification), catalysts containing the same, a method for preparing said metallocene, and method for producing polyolefins in the presence of said catalyst.