Polyester compositions suitable for the manufacture of fibres and films with high elastic modulus
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United States of America Patent
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Sep 23, 1997
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N/A
app pub date -
Oct 4, 1995
filing date -
May 7, 1993
priority date (Note) -
Expired
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Abstract
Polyester resins containing up to 5% by weight of a polymeric liquid crystal and an upgrading agent capable of increasing the I. V. of the resin by polyaddition reaction in the solid state with the end groups of the resin. Fibres, films and biaxially oriented articles obtained from the resins.
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