Method for preparing polyphenylene ethers

Details Method for preparing polyphenylene ethers Method for preparing polyphenylene ethers

C - Chemistry, Metallurgy

08

G

402/359

C08G 65/44 (2006.01)

Patent

CA 1106540

ABSTRACT OF THE DISCLOSURE A novel process is disclosed for the preparation of polyphenylene ethers by an oxidative coupling reaction. The process comprises oxidatively coupling a phenolic compound in the presence of a catalyst which comprises a copper complex of a copper compound with an N,N1-dis- ubstituted alkylene or cycloalkylene diamine having from 2 to 3 carbon atoms between the nitrogen atoms and whose substituents on the two nitrogens atoms are isopropyl or alpha tertiary alkyl, a tertiary amine, a secondary mono- amine and a bromine containing compound.

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