Process for the manufacture of polyester via hydrogenation...

Details Process for the manufacture of polyester via hydrogenation... Process for the manufacture of polyester via hydrogenation...

C - Chemistry, Metallurgy

08

G

C08G 63/88 (2006.01) C08G 63/78 (2006.01) C08G 63/90 (2006.01)

Patent

CA 2519335

An improved process for recycling unspent diol removed from a polyester manufacturing process wherein the diol is captured, hydrogenated, and recycled so that the final polyester product has improved color over polyesters produced using other recycled diols.

La présente invention concerne un procédé amélioré pour recycler un diol non utilisé à partir d'un procédé de production de polyester, le diol étant récupéré, hydrogéné, et recyclé de sorte que le produit polyester final a une couleur améliorée par rapport aux polyesters produits au moyen d'autres diols recyclés.

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