Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,4'-dihydroxy diphenyl, terephthalic acid, and isophthalic acid
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United States of America Patent
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Mar 27, 1990
Grant Date -
N/A
app pub date -
Oct 19, 1988
filing date -
Oct 31, 1987
priority date (Note) -
Expired
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Abstract
Thermotropic, fully aromatic polyesters based on p-hydroxybenzoic acid, 4,4'-dihydroxydiphenyl, terephthalic acid and isophthalic acid have exceptionally high dimensional stability under heat. The thermotropic aromatic polyesters are used for the production of moulded articles, filaments, fibres and films.
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