Process for preparing poly (aryl ether ketone)s

Details Process for preparing poly (aryl ether ketone)s Process for preparing poly (aryl ether ketone)s

C - Chemistry, Metallurgy

08

G

402/363

C08G 65/40 (2006.01) C08G 65/38 (2006.01) C08G 65/42 (2006.01) C08G 75/23 (2006.01)

Patent

CA 1237850

- 27 - AN IMPROVED PROCESS FOR PREPARING POLY(ARYL ETHER KETONE)S ABSTRACT OF THE DISCLOSURE Described herein is an improved process for preparing poly(aryl ether ketone)s by reacting a mixture of at least one bisphenol and at least one dihalobenzenoid compound or halophenol, wherein the improvement comprises providing to the reaction, a combination of sodium carbonate and/or bicarbonate and an alkali metal halide selected from potassium, rubidium or cesium fluoride or chloride, or combinations thereof. S P E C I F I C A T I O N D-14,670

504481

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