Gas phase production of polydienes

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 36/04 (2006.01) B01J 8/24 (2006.01) B01J 23/10 (2006.01) C08F 2/34 (2006.01) C08F 2/44 (2006.01) C08F 10/14 (2006.01) C08F 36/06 (2006.01) C08F 210/16 (2006.01) C08F 210/18 (2006.01) C08K 3/34 (2006.01) C08L 9/00 (2006.01) C08L 9/06 (2006.01)

Patent

CA 2196676

A process for producing polybutadiene or polyisoprene in a gas phase reactor by continuously or intermittently introducing a stream of butadiene or isoprene monomer and optionally an inert gas into a polymerization zone while maintaining the temperature within the polymerization zone below the dew point temperature of the monomer present in said polymerization zone in the presence of a transition metal catalyst and in the presence of inert particulate material.

Procédé de production de polybutadiène ou de polyisoprène dans un réacteur à phase gazeuse par introduction continue ou intermittente d'un courant de monomère de butadiène ou d'isoprène et, éventuellement, d'un gaz inerte dans une zone de polymérisation, tout en maintenant la température à l'intérieur de ladite zone au-dessous de la température au point de rosée du monomère présent dans ladite zone en présence d'un catalyseur de métal de transition et en présence d'un matériau inerte en particules.

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