Production of.alpha.-olefin polymers

Details Production of.alpha.-olefin polymers Production of.alpha.-olefin polymers

C - Chemistry, Metallurgy

08

F

402/636, 252/52.

C08F 4/646 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2003092

Ziegler polymerization of .alpha.-olefins is disclosed which is characterized by a solid catalyst component used in the Ziegler-type catalyst. The solid catalyst component, Component (A), comprises Component (i) which is a solid catalyst component for a Ziegler-type catalyst comprising Ti, Mg and a halogen; Component (ii) a silicon compound of a formula: R1R2 3-nSi(OR3)n wherein R1 - R3 are each hydrocarbyl group characterized by R1 which has a branched hydrocarbyl group; Component (iii) a halogen compound of W or Mo; and Component (iv) an organometal compound of a metal of Groups I to IV of the Periodic Table.

Polymérisation Ziegler d'alpha-oléfines, caractérisée par l'emploi d'un constituant catalytique solide dans le système catalytique de type Ziegler. Ce constituant catalytique solide (A) renferme : (i) un catalyseur solide à base de Ti, de Mg et d'un halogène pour système catalytique de type Ziegler; (ii) un composé à base de silicium, de formule R1R2 3-n Si(OR3)n, où R1 et R3 sont chacun un groupe hydrocarboné, R1 portant un groupe hydrocarboné ramifié; (iii) un composé halogéné de W ou de Mo; (iv) un composé organique d'un métal des Groupes I à IV du Tableau périodique.

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