Continuous process for producing poly(trimethylene...

Details Continuous process for producing poly(trimethylene... Continuous process for producing poly(trimethylene...

C - Chemistry, Metallurgy

08

G

C08G 63/183 (2006.01) C08G 63/02 (2006.01)

Patent

CA 2632573

This invention relates to a continuous process for production of poly(trimethylene terephthalate), wherein gaseous 1,3-propanediol by product resulting from the process is condensed in a condenser, and a portion of the condensed by-product is recycled back into the process.

L'invention concerne un procédé de production en continu de poly(triméthylène téréphtalate), dans lequel un sous-produit gazeux de 1,3-propanediol engendré par le procédé est condensé dans un condenseur, et une partie du sous-produit condensé est recyclée dans le procédé.

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