Method for manufacturing water resistant aluminum pigment dispersion, water resistant aluminum pigment, and aqueous ink composition containing the same
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United States of America Patent
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Apr 30, 2013
Grant Date -
Sep 9, 2010
app pub date -
Mar 1, 2010
filing date -
Mar 5, 2009
priority date (Note) -
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Abstract
A method for manufacturing a water resistant aluminum pigment dispersion includes the steps of: (a) forming a composite pigment base by sequentially laminating a peeling resin layer and an aluminum layer on a sheet-shaped substrate; (b) forming a composite pigment by peeling the sheet-shaped substrate from the composite pigment base; and (c) forming an aluminum pigment dispersion by pulverizing the composite pigment, and in the method described above, at least one of the steps (b) and (c) is performed in an organic solvent to which a phosphorous surfactant is added.
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