Patent ID: 6762255
Filing Date: 2004-07-13
Classification: C08F

Abstract:
A prealkylated supported olefin polymerization catalyst prepared by the process ofa) supplying a finely divided porous support material having deposited thereon catalyst system components comprising a transition metal or inner transition metal complex single site precatalyst and a bulky, non-coordinating anion activator; b) prealkylating said finely divided support material with a solution of metal alkyl dissolved in organic solvent in a mol ratio of metal of the metal alkyl to transition metal or inner transition metal of the precatalyst of less than 20:1, wherein the solution volume at any given time does not exceed the pore volume of the finely divided porous support material by an extent which would create a paste or dispersion, to form a prealkylated catalyst; and c) optionally drying said prealkylated catalyst to remove organic solvent.