Aliphatic polycarbonates for use in thermosetting powder coatings
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United States of America Patent
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Apr 16, 2013
Grant Date -
Aug 26, 2010
app pub date -
Jul 17, 2008
filing date -
Jul 17, 2007
priority date (Note) -
Expired
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Abstract
A thermosetting polymer material capable of being used in powder coatings. The thermosetting polymer material includes at least one hydroxyl functional aliphatic polycarbonates that is formulated and crosslinked with isocyanates to yield a thermoset organic coating material. These materials provide improved weatherability as compared to prior art powder coating materials while also being less expensive than prior art materials utilizing fluorinated polymers.
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