Process of preparing polyolefins

Details Process of preparing polyolefins Process of preparing polyolefins

C - Chemistry, Metallurgy

08

F

402/381, 402/383

C08F 10/00 (2006.01) C08F 4/62 (2006.01) C08F 10/10 (2006.01)

Patent

CA 1061050

ABSTRACT OF The DISCLOSURE A process of polymerizing or copolymerizing a class of olefins is carried out in the presence of a catalyst, which catalyst comprises one of more solid compounds selected as a carrier from the group consist- ing of an oxide, a double oxide and a hydroxide of halogen-free magnesium and/or calcium. The carrier is treated by direct contact with gaseous sulfur dioxide (SO2) under a gaseous atmosphere. A titanium and/or vanadium compound, viz. Ziegler catalyst component, is deposited on the treated carrier and activated by an organometal compound.

231566

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