Method of separating a copper-amine catalyst from a polyphenylen

Details Method of separating a copper-amine catalyst from a polyphenylen Method of separating a copper-amine catalyst from a polyphenylen

1975-05-12

1977-05-17

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6544, C08G 6546

Patent

active

040241076

ABSTRACT:
A novel method of separating a copper-amine catalyst from a polyphenylene ether reaction mixture is disclosed which is based on the use of 2,2'-dipyridyl to form an insoluble complex which may be readily separated from the reaction mixture.

REFERENCES:
patent: 3234183 (1966-02-01), Hay
patent: 3783147 (1974-01-01), Calicchia et al.

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