Modified carboxyl-containing polyphenylene ether resins
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United States of America Patent
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Jun 14, 1988
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N/A
app pub date -
Nov 12, 1986
filing date -
Nov 13, 1985
priority date (Note) -
Expired
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Abstract
A process for the preparation of modified polyphenylene ether resins by grafting fumaric acid, preferably at from 270.degree. to 350.degree. C., onto polyphenylene ethers which are mixed with vinylaromatic polymers, and modified polyphenylene ether resins consisting of from 4.95 to 95 parts by weight of polyphenylene ether, from 95 to 4.95 parts by weight of vinylaromatic polymer and from 0.05 to 10 parts by weight of grafted fumaric acid.
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