Olefin polymerization catalyst

C - Chemistry – Metallurgy – 07 – F

Patent

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Details

C07F 3/02 (2006.01) C07F 3/00 (2006.01) C07F 7/00 (2006.01) C08F 4/10 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 10/06 (2006.01)

Patent

CA 2053109

An improved high activity olefin polymerization catalyst which can be used to produce .alpha.-olefin polymers having good properties and a relatively narrow particle size distribution comprises an organoaluminum cocatalyst, a selectivity control agent and a novel olefin polymerization procatalyst which is obtainable by contacting a tetravalent titanium halide, a halohydrocarbon, an electron donor and a solid procatalyst precursor obtainable by heating an adduct of a carbonated magnesium ethoxide and a phenolic compound of enhanced acidity.

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