C - Chemistry – Metallurgy – 08 – F
Patent
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
Fukawa Isaburo
Sato Kazutoshi
Asahi Kasei Kogyo Kabushiki Kaisha
Macrae & Co.
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