Polyphenylene oxide is prepared using a mixture of manganese che

Details Polyphenylene oxide is prepared using a mixture of manganese che Polyphenylene oxide is prepared using a mixture of manganese che

1974-12-20

1976-06-22

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6110

Patent

active

039650693

ABSTRACT:
A process for the preparation of polyphenylene oxide employing a mixture comprising a manganese(II) oxime chelate Type (A) and a manganese chelate Type (B) as a catalyst is described. The catalyzed process can be effectively carried out in the presence as well as the absence of an amine. The process is economical and useful in the production of polyphenylene oxide resins.

REFERENCES:
patent: 3444133 (1969-05-01), Behr et al.
patent: 3784575 (1974-01-01), Rutledge
patent: 3793246 (1974-02-01), Izawa et al.
patent: 3825521 (1974-07-01), Izawa et al.
Shono et al., Die Makromolekulare Chemie, 105 (1967) pp. 277-279.

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