Process for the preparation of an aromatic polyether

Details Process for the preparation of an aromatic polyether Process for the preparation of an aromatic polyether

C - Chemistry, Metallurgy

08

G

402/359

C08G 65/38 (2006.01) C08G 65/40 (2006.01)

Patent

CA 2022910

Abstract of the disclosure Process for the preparation of an aromatic polyether. A process for the preparation of an aromatic polyether by condensation of dihydric phenols with activated aromatic dihalo compounds or by self-condensation of polynuclear activated halophenols employs a mixture of sodium carbon- ate and sodium hydrogen carbonate as a condensation auxiliary. By this means, the relatively low reactivity of the sodium carbonate is enhanced and the reaction rate is significantly increased.

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