High solids acid etch and mar resistant clear coating composition
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United States of America Patent
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Jul 15, 2003
Grant Date -
N/A
app pub date -
Aug 8, 2001
filing date -
Mar 17, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides for an etch and mar resistant low VOC clear coating composition most suitable for use as a top clear coat in multi-layered OEM or refinish automotive coatings. The coating composition includes polyisocyanate, polyester polyol and melamine components, where more than half of total composition solids include the polyester polyol and melamine components. The polyisocyanate component includes an aliphatic polyisocyanate. The composition may be formulated as a two-pack or one-pack coating composition, wherein the isocyanate functionalities are blocked with a blocker such as a mono-alcohol.
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