Aqueous Dispersion of Zinc Compound Modified Polymers
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United States of America Patent
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Issued Date -
Nov 20, 2008
app pub date -
Mar 25, 2008
filing date -
May 17, 2007
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Abandoned
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Abstract
An aqueous polymer dispersion contains zinc compound-modified polymer. The zinc compound-modified polymer is produced by the incorporation of zinc compound into the acrylic-modified alkyd by mixing at the temperatures of higher than 50.degree. C. The resulting polymer is then dispersed in water by salt formation with a base. The aqueous dispersion of the present invention offers improved coating properties of early water-spot resistance, hardness, ink stain blocking and scrub resistance while demonstrating the viscosity stability.
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