Polyurethane dispersions
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United States of America Patent
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Nov 25, 1997
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N/A
app pub date -
Jul 2, 1992
filing date -
Jul 5, 1991
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Abstract
Polyurethane dispersions prepared by polymerization, initiated by free radicals, of polyurethane macromonomers containing carboxyl, phosphonic acid or sulfonic acid groups and lateral vinyl groups and optionally terminal vinyl, hydroxyl, urethane, thiourethane and/or urea groups. These polyurethane dispersions are suitable for the production of coatings on substrates, as adhesives or as binders in printing inks.
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