Polyester process using a pipe reactor

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 63/00 (2006.01) B01F 5/10 (2006.01) B01J 8/00 (2006.01) B01J 19/18 (2006.01) B01J 19/24 (2006.01) C08G 63/78 (2006.01) C08G 63/183 (2006.01) C08G 63/199 (2006.01)

Patent

CA 2430570

The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes including improved heat transfer, volume control, agitation and disengagement functions. The pipe reactor processes and apparatus of the present invention are built and operated at a much lower cost than conventional polyester processes.

L'invention concerne de procédés de fabrication de polyester mettant en oeuvre un réacteur tubulaire dans le processus d'estérification, le processus de polycondensation ou à la fois le processus d'estérification et celui de polycondensation. Les procédés de cette invention effectués dans un réacteur tubulaire présentent de multiples avantages par rapport aux procédés de l'art antérieur, notamment un transfert de chaleur, une régulation de volume, des fonctions d'agitation et de désengagement améliorés. L'appareil et les procédés de cette invention mettant en oeuvre un réacteur tubulaire sont fabriqués et fonctionnent à un coût nettement inférieur à celui engendré par des procédés de préparation de polyester conventionnels.

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