Patent ID: 9352308
Filing Date: 2016-05-31
CPC Classification: B01J,C08F

Claim Text:
1. A catalyst composition free of polar solvents and used for the homopolymerization of ethylene or used for the copolymerization of ethylene with one or more alpha-olefins which consists essentially of an activated particulate silica carrier, impregnated with an organometallic compound and catalytic active components including magnesium, titanium and chlorine, wherein, based on the weight of the catalyst, titanium is present in an amount of 2.0% by weight, magnesium is present in an amount of 1.5% by weight, chlorine is present in an amount of 10.3% by weight, aluminum is present in an amount of 1.7% by weight, butoxy group is present in an amount of 6.7% by weight, Surface Area (B.E.T.) is 202 m 2 /g, and Pore Volume (B.E.T.) is 0.48 cm 3 /g, wherein said catalyst displays a UV-VIS spectra as shown in FIG. 3 and an X-Ray Absorption Near Edge Structure spectra as shown in one or more of FIGS. 4, 5 and 6 .