METHOD OF PREPARING POLYPHENYLENE OXIDE Russian patent published in 1998 - IPC

Abstract RU 2103281 C1

FIELD: manufacture of cast material. SUBSTANCE: polyphenylene oxide is prepared by heterogeneous oxidative dehydropolycondensation of 2,6-dimethylphenol in oxygen atmosphere in the presence of manganese containing polyhexazocyclane in amount of 13-30% by weight of dimethylphenol and sodium methylate activator in amount of 7.2-15 by weight of 2,6-dimethylphenol. EFFECT: more efficient preparation method. 1 tbl

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RU 2 103 281 C1

Authors

Siling S.A.

Meshcherjakova V.S.

Chernavina S.D.

Dates

1998-01-27—Published

1995-07-21—Filed