A process and an apparatus for polymerization of olefin...

C - Chemistry – Metallurgy – 08 – F

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C08F 10/00 (2006.01) B01J 3/00 (2006.01) B01J 8/10 (2006.01) B01J 8/26 (2006.01) B01J 19/24 (2006.01) C08F 2/00 (2006.01) C08F 110/06 (2006.01)

Patent

CA 2250264

A process for polymerization of olefin monomers by forming a fluid stream containing catalyst, continuously feeding said fluid stream into an elongated polymerization reactor comprising at least two successive chambers separated by dividing plates having a diameter slightly smaller than that of the polymerization reactor monomer, feeding into said polymerization reactor monomer and optionally cocatalyst and donor under temperature conditions to polymerize said olefin while maintaining a mixed flow in said chambers to polymerize the monomer and optional comonomer in the fluid, and removing the resulting polymer slurry from said polymerization reactor.

Ce procédé de polymérisation de monomères oléfiniques consiste à former un courant de fluide contenant un catalyseur, à introduire de manière continue ledit courant de fluide dans un réacteur de polymérisation allongé (1) comprenant au moins deux chambres successives (12a) séparées par des plaques séparatrices (12b) dont le diamètre est légèrement inférieur à celui du réacteur de polymérisation (1), à introduire dans ledit réacteur (1) un monomère, et, éventuellement, un co-catalyseur et un donneur dans des conditions de température susceptibles de polymériser ladite oléfine, tandis qu'un écoulement mixte est maintenu dans lesdites chambres (12a) pour polymériser le monomère et, éventuellement, le comonomère dans le fluide, et à enlever la suspension de polymère ainsi produite du réacteur de polymérisation.

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