Recovery of methyl esters of aromatic acids and glycols from...

Details Recovery of methyl esters of aromatic acids and glycols from... Recovery of methyl esters of aromatic acids and glycols from...

C - Chemistry, Metallurgy

07

C

C07C 67/60 (2006.01) C07C 29/09 (2006.01) C07C 29/88 (2006.01) C07C 31/20 (2006.01) C07C 67/03 (2006.01) C07C 69/82 (2006.01)

Patent

CA 2055066

. TITLE Recovery of Methyl Esters of Aromatic Acids and Glycols from Thermoplastic Polyester Scrap ABSTRACT Dimethyl terephthalate vapor and glycol vapor are prepared by treating polyester polymer wikh excess methanol vapors at a temperature above 230°C. The excess methanol acts as a carrier gas for the dimethyl terephthalate and the glycol. PI-0500

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