Recovery of dimethyl terephthalate from polymer mixtures

Details Recovery of dimethyl terephthalate from polymer mixtures Recovery of dimethyl terephthalate from polymer mixtures

C - Chemistry, Metallurgy

07

C

C07C 69/82 (2006.01) C07C 67/03 (2006.01)

Patent

CA 2217493

Dimethyl terephthalate is recovered from polymer mixtures containing polymers of terephthalic acid and glycol and a chloride polymer, by adding base to neutralize the hydrochloric acid formed by the degradation of the chloride polymer.

Le téréphtalate de diméthyle est récupéré à partir de mélanges de polymères contenant des polymères d'acide téréphtalique et de glycol et un polymère de chlorure, en ajoutant une base pour neutraliser l'acide chlorhydrique formé par la dégradation du polymère de chlorure.

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