Thermally stable textile lubricants
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United States of America Patent
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Dec 26, 1995
Grant Date -
N/A
app pub date -
Jun 16, 1994
filing date -
Jun 16, 1994
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Abstract
Thermally stable textile lubricants suitable for spinning finishes based on polyol fatty acid esters, into which esters of thiocarboxylic acids corresponding to general formula (I) and/or (II): R.sup.1 --S--R.sup.2 --COOH (I) HOOC--R.sup.3 --S--R.sup.4 --COOH (II) in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may be the same or different and represent an alkyl, cycloalkyl, aryl or alkaryl group containing 1 to 22 carbon atoms, are introduced to increase thermal stability, are distinguished by excellent thermal stability.
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