Cathodic electrodeposition paint
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United States of America Patent
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-
Apr 25, 2000
Grant Date -
N/A
app pub date -
Mar 24, 1998
filing date -
Mar 25, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A cathodic electrodeposition paint composition for one or two coats finish comprises (a) an amine-modified polyphenol epoxy resin, (b) an acrylic copolymer having ionizable groups, and (c) resin particles having a particle size of less than 1.0 .mu.m comprised of a core of gelled hydrophobic resin and a shell layer of amino group-containing hydrophilic resin. Components (a), (b) and (c) as well as blocked polyisocyanate crosslinker are dispersed in an aqueous medium containing a neutralizing agent. The paint composition is effective for diminishing the occurrence of stripe-like recessed patterns in the finished steel substrate.
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Cited Art Landscape
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