Poly(arylene ether ketones)
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United States of America Patent
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Feb 5, 1991
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N/A
app pub date -
Nov 3, 1988
filing date -
Nov 4, 1987
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Expired
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Abstract
Partially crystalline polyaryletherketones having improved glass transition temperature without unacceptably high melting temperature are produced by incorporating multi-ring aryl moieties (e.g. terphenyls of naphthyls) in the polymer backbone and mono-substituting those or other moieties in the backbone, or arranging the aryl multi-ring groups asymmetrically so as to kink the backbone.
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