Catalyst on a support for the polymerization of 1-alkenes,...

Details Catalyst on a support for the polymerization of 1-alkenes,... Catalyst on a support for the polymerization of 1-alkenes,...

C - Chemistry, Metallurgy

08

F

252/100, 402/632

C08F 4/62 (2006.01) C08F 4/02 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1132128

ABSTRACT OF THE DISCLOSURE An improved process and catalyst is described for polymerizing .alpha.-alkenes using a catalyst obtalned by reacting a chromium-1, 3-diketo complex compound having the general formula Cr (OCR1CR2CR3O)3' withan organometallic compound, of a metal from Group II or III of thc Periodic Table, contacting the reaction product with an inert inorganic support material, heating said reaction product on said support at a temperature of between about 200° and 1200 °C. In a non-reducing atmosphere, combining the resulting product with an organometal compound of a metal from Group II or III of the Periodic Table. The catalysts are highly active and give high yields of polymer. By a proper selectlon of the pore volume and the particle size of the catalyst support polyalkenes of improved handling properties are obtained.

307350

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