Catalysts for homo- and copolymerization of ethylene and the...

C - Chemistry – Metallurgy – 08 – F

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C08F 4/64 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01)

Patent

CA 1238147

ABSTRACT OF DISCLOSURE Disclosed are catalysts for the polymerization of ethylene and of mixtures thereof with olefins, comprising the product obtained by reacting the following components: (a) an Al-alkyl compound; (b) an electron-donor compound containing at least a nitrogen atom, said compound being reactive towards MgCl2, but not towards Al-triethyl; and (c) the reaction product between a titanium compound containing at least a titanium-halogen bond and : an anhydrous magnesium halide. The obtained (co)polymers have a very narrow molecular weight distribution which renders them particularly suitable for some applications, such as injection molding.

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