Process for the preparation of polyphenylene ethers at elevated

Details Process for the preparation of polyphenylene ethers at elevated Process for the preparation of polyphenylene ethers at elevated

1975-04-01

1977-06-28

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6544

Patent

active

040325121

ABSTRACT:
An improved process is provided for preparing polyphenylene ethers by oxidatively coupling a di-ortho substituted phenolic precursor in a reaction system containing oxygen at a pressure of more than one atmosphere, and a complex catalyst formed from a cupric halide and a primary or secondary amine catalyst.

REFERENCES:
patent: 3262911 (1966-07-01), Hay
patent: 3733299 (1973-05-01), Cooper

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