Aqueous matte coating composition
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United States of America Patent
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Sep 24, 2002
Grant Date -
Jul 18, 2002
app pub date -
May 6, 1999
filing date -
May 6, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An aqueous matte coating composition containing an aqueous dispersion (I) prepared by dispersing into water (B) a water-dispersible vinyl copolymer prepared by subjecting a monomer mixture of radically polymerizable unsaturated monomers including an unsaturated monomer having a polymerizable unsaturated double bond and an alkoxysilyl group in one molecule to radical polymerization in the presence of (A) a silicate compound consisting of organosilicate and/or its condensate, having an alkoxysilyl group, an acid value of 15 to 150 mg KOH/g and a hydroxyl value of 30 to 200 mg KOH/g, and including the silicate compound (A), and (C) a melamine resin not having complete compatibility with the vinyl copolymer (B).
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