Process for converting polyketones to poly(keto-esters)

Details Process for converting polyketones to poly(keto-esters) Process for converting polyketones to poly(keto-esters)

1991-10-10

1992-08-18

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525471, C08F28300

Patent

active

051400804

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.degree. C. to 150.degree. C. in the presence of a Lewis acid and a C.sub.1-4 aliphatic monocarboxylic acid to convert a portion of the carbonyl functionality to oxycarbonyl groups.

REFERENCES:
patent: 2495292 (1944-09-01), Scott
patent: 4929711 (1990-05-01), Chang et al.
patent: 4957997 (1990-09-01), Chang et al.
patent: 4987171 (1991-01-01), Bragel

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