Use of dialkylzinc compounds to initiate polymerization of...

Details Use of dialkylzinc compounds to initiate polymerization of... Use of dialkylzinc compounds to initiate polymerization of...

C - Chemistry, Metallurgy

08

F

402/613, 402/632

C08F 2/34 (2006.01) C08F 4/62 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 10/10 (2006.01)

Patent

CA 1192700

ABSTRACT OF THE DISCLOSURE A method for initiating polymerization of ethylene in a fluidized bed reactor employing a supported chromium oxide as catalyst in a smooth and controlled manner, and for reducing the start-up time required to initiate such polymerization, by adding a dialkylzinc compound to the reactor prior to the commencement of polymerization and subjecting the reactor containing such dialkylzinc compound to conditions conventionally employed in the polymerization of ethylene with such catalyst.

411249

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