TWO-COMPONENT WATER-BASED COMPOSITIONS THAT PRODUCE HIGH GLOSS POLYURETHANE COATINGS WITH GOOD APPEARANCE
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
May 6, 2014
filing date -
May 6, 2014
priority date (Note) -
Abandoned
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Abstract
Two-component water-based coating compositions are described. The coating compositions include a mixture of components that includes: (a) an aqueous dispersion of a resin comprising functional groups reactive with isocyanates; and (b) a hydrophilicized polyisocyanate. The mixture includes (i) propylene carbonate that is present in the mixture in an amount of greater than 2 percent by weight, based on the total weight of the mixture; and (ii) a ratio of isocyanate groups to functional groups reactive with isocyanates of 0.8 to 3.0:1.
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