Conjugated non-aromatic diene or dienophilic compound-modified polyphenylene ethers
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United States of America Patent
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Jan 12, 2010
Grant Date -
Nov 11, 2004
app pub date -
Jun 1, 2004
filing date -
Jun 29, 2001
priority date (Note) -
Expired
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Abstract
A modified polyphenylene ether resin is provided which is a product of the reaction of 100 parts by weight of (A) a polyphenylene ether having a main chain structure of the following formula (1):each independently represents hydrogen, a primary or secondary lower alkyl or a phenyl), with 0.01 to 10.0 parts by weight of (B) a modifier selected from conjugated non-aromatic diene compounds, dienophilic compounds having one dienophile group and precursors of the diene or dienophilic compounds, wherein the number of rearrangement structures each represented by the following formula (2):have the same meanings as defined above in the formula (1)) is less than 0.01 per 100 phenylene ether units of the formula (1).
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