Patent ID: 8735519

Claim:
A process for the polymerization of olefin to produce polyolefin comprising: introducing a metallocene catalyst system (MCS) into a polymerization reaction chamber, wherein the MCS comprises: a support, wherein the support has an average pore diameter of from 240 Angstroms to 350 Angstroms; an activator comprising an aluminoxane; and a metallocene bound substantially throughout the support, wherein the metallocene loading is about 1% to about 2%, and wherein the metallocene is selected from a group consisting of rac-dimethylsilanediyl bis(2-methyl-4-phenylindenyl)zirconium dichloride; rac-dimethylsilanediyl bis(2-methyl indenyl)zirconium dichloride; rac-dimethylsilanediyl bis(2-methyl-4,5-benzoindenyl)zirconium dichloride; and rac-dimethylsilanediyl bis(2-methyl-4-(1-naphthyl)indenyl)zirconium dichloride; and wherein on exposure to a reaction environment comprising about 300 g to about 400 g propylene per Liter of reactor volume, about 23 ppm by weight of the MCS, about 37 ppm by weight H 2 , and about 46 ppm triethylaluminum in a 4 liter reactor at about 67° C. and about one hour reaction time, the MCS has a catalytic activity of at least about 11,800 g of polypropylene/g of MCS/hr; and contacting at least one olefin monomer with the MCS in the polymerization reaction chamber.