Polymerisation catalyst

Details Polymerisation catalyst Polymerisation catalyst

B - Operations, Transporting

01

J

402/636, 402/641

B01J 31/26 (2006.01) C08F 4/76 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1168214

ABSTRACT OF THE DISCLOSURE A supported Ziegler catalyst prepared by the following steps, carried out under anhydrous conditions: (A) reacting a hydroxyl groups-containing support material comprising magnesium silicate or silica and magnesia with one or more organ-metallic compounds having the general formula MRIaQb-a wherein M is a metal which is aluminium, boron, lithium, zinc or magnesium, R1 is a hydrocarbyl group, Q is halogen, or an oxyhydrocarbyl group, b is the valency or M and a is an integer from 1 to b, (B) removing unreacted organometallic compound, if any, from the produced solid material, (C) impregnating the solid material obtained from step ? with one or more halogen-containing transition metal compounds wherein the transition metal(s) comprise titanium, vanadium or zirconium.

395469

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