Novel polyphenylene ether and process for preparing the same

Details Novel polyphenylene ether and process for preparing the same Novel polyphenylene ether and process for preparing the same

1975-03-04

1977-03-08

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6544

Patent

active

040112004

ABSTRACT:
A polyphenylene ether random copolymer excelling in heat resistance and resistance to solvents, said copolymer being composed of 50-98 mol% of a structural unit of the formula ##STR1## derived from 2,6-dimethyl phenol and 50-2 mol% of a structural unit of the formula ##STR2## derived from 2,3,6-trimethylphenol, each of said structural units being randomly arranged in the polymeric structure, said copolymer having an intrinsic viscosity, as measured in chloroform at 25.degree. C., of at least 0.3 dl/g.

REFERENCES:
patent: 3306874 (1967-02-01), Hay
patent: 3306875 (1967-02-01), Hay
patent: 3681285 (1972-08-01), Naarmann

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