Waterborne self-crosslinkable polyurethane dispersions and polyurethane:acrylic hybrid dispersions
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United States of America Patent
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Issued Date -
Jul 6, 2006
app pub date -
Jul 6, 2004
filing date -
Jul 14, 2003
priority date (Note) -
Abandoned
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Abstract
The present invention concerns a hybrid polymer dispersion comprising a functionalized polyurethane polymer (A) and a functionalised vinyl polymer (B) either as individual particles or as composites particles wherein the polyurethane polymer is prepared in a high boiling point oxygenated coalescing solvent having no functional group reactive with isocyanates and that will remain after water dispersion.
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