Water-borne base coating composition for automobiles
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United States of America Patent
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Apr 25, 2006
Grant Date -
Sep 18, 2003
app pub date -
Feb 11, 2003
filing date -
Feb 12, 2002
priority date (Note) -
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Abstract
A water-borne base coating composition for automobiles which can give a coating film excellent in luster and in coloration comprises an emulsion resin obtained by emulsion polymerization of an α,β-ethylenically unsaturated monomer mixture having an acid value of 3 to 50 and comprising at least 65% by mass of a (meth)acrylate ester whose ester moiety contains one or two carbon atoms, a coloring component comprising an optically coherent flaky pigment, and an acrylic polymer compound having a weight average molecular weight of 400,000 to 1,500,000 and represented by the general formula (1): ##STR1##
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