Cationic polyurethane compositions, quaternary ammonium salts and methods for their preparation
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United States of America Patent
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Oct 1, 1996
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N/A
app pub date -
May 15, 1995
filing date -
Nov 1, 1991
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Expired
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Abstract
The preparation and use of quarternized bis hydroxy alkyl amines by the reaction of a tertiary amine and an alkylene oxide in a strong acid system are disclosed. Cationic polyurethane compositions containing pendent hydroxy alkyl groups and methods for their preparation are also disclosed.
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