Poly(phenylene ether)poly(vinyl aromatic) compositions
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United States of America Patent
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-
Sep 1, 1981
Grant Date -
N/A
app pub date -
Dec 10, 1979
filing date -
Dec 10, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Polyphenylene ether-poly(vinyl aromatic) compositions are prepared by oxidatively coupling a phenol dissolved in a basic reaction medium comprising a vinyl aromatic compound in the presence of a manganese chelate catalyst, selectively liquid-liquid extracting base-reactive by-products, then thermally polymerizing the vinyl aromatic compound.
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