Process for polymerizing phenols to produce polyphenylene oxides

Details Process for polymerizing phenols to produce polyphenylene oxides Process for polymerizing phenols to produce polyphenylene oxides

1974-10-30

1976-06-08

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260613R, C08G 6110

Patent

active

039621804

ABSTRACT:
Polyphenylene oxides of low molecular weight are produced by oxidative polymerization of phenols in the presence of a catalyst and the amount of solvent is limited and the phenols are not added to the reaction medium at one time, but continuously over a certain period of time.

REFERENCES:
patent: 3306874 (1967-02-01), Hay
patent: 3306875 (1967-02-01), Hay
patent: 3337499 (1967-08-01), Bussink et al.
patent: 3573257 (1971-03-01), Nakashio et al.
patent: 3733299 (1973-05-01), Cooper et al.

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