C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
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.
Jimbo Makoto
Kobayashi Eiko
Kubo Kunimichi
Niwa Masahiro
Suga Shinjiro
Gowling Lafleur Henderson Llp
Nippon Petrochemicals Company Limited
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