Components and catalysts for the polymerization of ethylene

Details Components and catalysts for the polymerization of ethylene Components and catalysts for the polymerization of ethylene

C - Chemistry, Metallurgy

08

F

C08F 4/631 (2006.01) C08F 10/02 (2006.01)

Patent

CA 2113304

ABSTRACT Solid catalyst component for the polymerization of ethylene comprising the product of the reaction between: 1) the product obtained by reacting: 1A) a halide or halogen alcoholate or alcoholate of titanium, vanadium or zirconium; 1B) a small quantity of water, and optionally 1C) a compound or composition capable of substituting, in compound 1A, one or more alkoxy groups with a halogen atom; and 2) a complex having general formula: MgX2?nAlRX2?pAlX3 where X is chlorine or bromine; R is a hydrocarbon radical containing from 1 to 20 carbon atoms; n is a number from 1 to 4; p is a number from 0 to 1, and n+p from 1 to 4; said catalyst component being in the form of particles having a diameter lower than or equal to 20 micrometers, and an average diameter lower than or equal to 10 micrometers.

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