Solid catalyst compound for polymerization of olefins

C - Chemistry – Metallurgy – 08 – F

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C08F 4/60 (2006.01) C08F 10/00 (2006.01) C08F 4/639 (2006.01)

Patent

CA 2241352

The invention relates to a process for preparing a solid metallocene catalyst compound for the polymerization of olefins consisting in a reaction step between a support and a derivative of the formula R1M1X1 3 wherein R1 represents a hydrocarbon radical, M1 represents an atom of silicon, germanium or tin, X1 represents a halogen atom. The solid catalyst compound of the invention presents strong olefin polymerization or copolymerization activity and can result in polymers or copolymers of a high molecular weight and low polymolecularity, for example less than 2.5..

L'invention concerne un procédé de préparation d'une composante catalytique solide de type métallocène pour la polymérisation des oléfines comprenant une étape de réaction entre un support et un dérivé de formule R1M1X1 3 dans laquelle R1 représente un radical hydrocarboné, M1 représente un atome de silicium, de germanium ou d'étain, X1 représente un atome d'halogène. La composante catalytique solide selon l'invention présente une forte activité en polymérisation ou copolymérisation des oléfines et peut mener à des polymères ou copolymères de forte masse moléculaire et dont la polymolécularité est faible, par exemple inférieure à 2,5.

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