Improved method for production of poly(trimethylene carbonate)

C - Chemistry – Metallurgy – 08 – G

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C08G 64/30 (2006.01) C08G 18/44 (2006.01) C08G 18/66 (2006.01) C08G 64/02 (2006.01)

Patent

CA 2401493

A process for the production of poly(trimethylene carbonate) which comprises: reacting trimethylene carbonate and one or more alcohols, individually, or in combination, under inert atmosphere, optionally in the presence of a catalyst; and a process for the production of high molecular weight poly(trimethylene carbonate) which comprises: reacting trimethylene carbonate, a catalyst, and optionally one or more alcohols, under inert atmosphere.

L'invention concerne un procédé de production de poly(carbonate de triméthylène) consistant à faire réagir du carbonate de triméthylène avec un ou plusieurs alcools, individuellement, ou mélangés, sous atmosphère inerte, et éventuellement en présence d'un catalyseur. L'invention concerne également un procédé de production de poly(carbonate de triméthylène) à poids moléculaire élevé consistant à faire réagir du carbonate de triméthylène, un catalyseur, et éventuellement un ou plusieurs alcools, sous atmosphère inerte.

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