Process for producing polyethylene and an ethylene-...

Details Process for producing polyethylene and an ethylene-... Process for producing polyethylene and an ethylene-...

C - Chemistry, Metallurgy

08

F

402/607, 400/656

C08F 10/02 (2006.01) C08F 6/02 (2006.01)

Patent

CA 1222095

Abstract of the disclosure: Polyethylene and an ethylene-.alpha.-olefin copolymer are produced by polymerizing ethylene or a mixture of ethylene with an .alpha.-olefin having 3 to 18 carbon atoms by use of a coordination polymerization catalyst containing a transi- tion metal compound and an organometallic compound, deactivating said catalyst by adding a copolymer of at least one monomer selected from the group consisting of vinyl monomers having a carbonyl group represented by the formula: Image wherein Rl represents a hydrogen atom or a hydro- carbon group having 1 to 5 carbon atoms; R2 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms; M represents a metal element; and m represents the valence of M, or maleic anhydride with ethylene to be mixed with said catalyst, separating unaltered monomers from the polymer mixture.

442031

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