Method for producing high-molecular polyphenylene- oxides

Details Method for producing high-molecular polyphenylene- oxides Method for producing high-molecular polyphenylene- oxides

C - Chemistry, Metallurgy

08

G

402/359, 402/373

C08G 65/44 (2006.01)

Patent

CA 1206693

Abstract of the Disclosure The invention relates to a method for producing high-molecular polyphenylene-oxides by oxidative coupling of a diorthosubstituted phenol in the presence of a copper-amine complex and an activator based upon a multivalent alcohol, an alkaline compound and possibly the hydrobromide of a secondary amine, the method having increased efficiency.

431588

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