Process for making polyphenylene oxides

Details Process for making polyphenylene oxides Process for making polyphenylene oxides

C - Chemistry, Metallurgy

08

G

402/359

C08G 65/44 (2006.01)

Patent

CA 1106538

ABSTRACT OF THE DISCLOSURE A novel process is described for the preparation of polyphenylene oxide resin composition. The process is based on the precipitation of a polyphenylene oxide resin that has been prepared by the oxidative coupling of a phenol in the presence of a manganese (II).omega.-hydroxyoxime chelate catalyst by a procedure that entrains the catalyst in the polyphenlene oxide resin.

283213

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