C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
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.
Ridout & Maybee Llp
Union Carbide Chemicals & Plastics Technology Corporation
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