Polymerization of ethylene

C - Chemistry – Metallurgy – 08 – F

Patent

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C08F 10/02 (2006.01) C08F 4/60 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 210/16 (2006.01)

Patent

CA 1304881

ABSTRACT OF THE DISCLOSURE A process for the polymerization of ethylene comprises bringing ethylene or ethylene and at least one a-olefin in contact with a catalyst comprising a metallocene compound of a transition metal selected from Groups IVB, VB and VIB, an aluminoxane and a silicon compound having an Si-O-C bond for polymerization. The use of the silicon compound having an Si-O-C bond in the catalysis by a combination of a metallocene compound and an aluminoxane results in the production of ethylene polymers having a lower melt flow rate (MFR) than those produced similarly except for the silicon compound not being used.

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