Method of vapor phase polymerization of olefins

C - Chemistry – Metallurgy – 08 – F

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C08F 2/58 (2006.01) C08F 2/34 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2112505

ABSTRACT OF THE DISCLOSURE In the polymerization of olefins with a vapor phase fluidized bed reactor, the improvement comprises the steps of feeding seed polymer particles and the reaction is then started after feeding an organoaluminum compound on a prescribed basis, thereby avoiding the formation of sheet-like polymer in the initial period of the reaction and the lowering of the bulk density of the product polymer.

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