Esterification of carboxyl end groups employing addition of oxirane compounds
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United States of America Patent
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Apr 10, 1984
Issued Date -
N/A
app pub date -
Jul 5, 1983
filing date -
Jun 7, 1978
priority date (Note) -
Expired
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Abstract
A method of reducing the number of free carboxyl end groups present in a fiber-forming polymer is given whereby to the polymer minor amounts of a low-boiling oxirane compound such as ethylene oxide are added.
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