Stain resistant coating compositions, methods of coating and coated articles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 28, 2004
Grant Date -
Feb 27, 2003
app pub date -
Apr 23, 2002
filing date -
Aug 24, 2000
priority date (Note) -
Expired
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Abstract
A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxly, a carboxly anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. They give a cured coating film which has nonstaining properties based on a high degree of hydrophilicity from immediately after the formation thereof and has satisfactory long-term weatherability, water resistance, and chemical resistance. The film can impart an excellent finish appearance to the article
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