Bright pigment, method for producing the pigment, and waterborne resin composition containing the pigment
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United States of America Patent
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Jun 2, 2015
Grant Date -
Jun 3, 2010
app pub date -
Apr 23, 2007
filing date -
Apr 21, 2006
priority date (Note) -
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Abstract
A bright pigment of the present invention includes a scaly inorganic base 10, a silver-containing coating 11 that covers the inorganic base 10 and contains silver or a silver alloy, and a yellowing-suppressing coating 2 that covers the inorganic base 10 from outside of the silver-containing coating 11 and contains a metal compound functioning as an oxidizing agent. The metal compound is preferably at least one selected from the group consisting of a hydroxide of metal, an oxide hydrate of metal, and a salt of an oxide hydrate of metal, and the metal is at least one selected from the group consisting of tungsten, molybdenum, bismuth, vanadium, or cerium.
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