C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 10/00 (2006.01) B01J 8/26 (2006.01) B01J 19/00 (2006.01) C08F 2/34 (2006.01)
Patent
CA 2098762
Abstract Gas-phase process for the preparation of polymers and copolymers of olefins CH2=CHR, carried out in at least 2 fluidized or mechanically agitated bed gas-phase reactors operating under different reaction conditions so as to obtain different polymers in the different reactors; the process is characterized in that the polymer is at least partially recycled among the different reactors by using ratios of the flow rate of circulation among the different reactors to the discharge flow rate comprised between 2 and 6.
Covezzi Massimo
Govoni Gabriele
Rinaldi Roberto
Mccarthy Tetrault Llp
Montell North America Inc.
Montell Technology Company B.v.
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