Process for converting polyketones poly (keto-esters)

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 67/02 (2006.01) C08G 63/00 (2006.01)

Patent

CA 2080321

ABSTRACT A process for converting polyketones to polyesters is provided. The process involves reacting a polyketone, such as an ethylene-carbon monoxide copolymer or terpolymer with aqueous hydrogen peroxide in an inert liquid medium at a temperature from -20°C to 150°C in the presence of a Lewis acid and a C1-4 aliphatic monocarboxylic acid to convert a portion of the carbonyl functionality to oxycarbonyl groups.

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