Process for production of polyolefins

Details Process for production of polyolefins Process for production of polyolefins

C - Chemistry, Metallurgy

08

F

402/576, 402/638

C08F 4/44 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1074771

ABSTRACT Polyolefins are produced by a process which comprises polymerizing or copolymerizing an .alpha.-olefin or olefins in the presence of a catalyst system comprising component A prepared by the reaction among the following five substances: (1) an organic hydroxylated compound, (2) metallic magnesium, (3) a organic oxygenated compound of a metal of group IVa, Va, or VIa of the Periodic Table, (4) a halogen-containing compound of a metal of Group IVa, Va, or VIa of the Periodic Table, and (5) an aluminum halide, and component B, an organometallic com- pound of a metal of Group I, II or III of the Periodic Table: in a further aspect there is provided the catalyst system for producing the polyolefine.

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