Promotion of manganese chelate catalyzed polyphenylene ether oxi

Details Promotion of manganese chelate catalyzed polyphenylene ether oxi Promotion of manganese chelate catalyzed polyphenylene ether oxi

1976-12-21

1978-02-21

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6544

Patent

active

040751740

ABSTRACT:
A novel process is disclosed for the preparation of polyphenylene oxides which is based on the use of bis-secondary diamines as reaction rate promoters for the oxidative coupling of a phenolic monomer in the presence of a magnanese chelate catalyst.

REFERENCES:
patent: 3956242 (1976-05-01), Olander
patent: 3965069 (1976-06-01), Olander
patent: 3972851 (1976-08-01), Olander

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