ALUMINUM INK COMPOSITION, AND PRINTED MATTER USING THE SAME

PROBLEM TO BE SOLVED: To provide an aluminum ink composition advantageous for inkjet printing or fine line pattern printing, excellent in a coloring property (printing precision for fine character, symbol, drawing and the like), and suitable for imparting metallic feeling and/or conductivity to a pr...

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Bibliographische Detailangaben
Hauptverfasser: SHINGU SUSUMU, KAWASHIMA KEI, HASHIZUME YOSHIKI, KOIKE KAZUNORI, SARUWATARI MASATAKA
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an aluminum ink composition advantageous for inkjet printing or fine line pattern printing, excellent in a coloring property (printing precision for fine character, symbol, drawing and the like), and suitable for imparting metallic feeling and/or conductivity to a printed matter.SOLUTION: The aluminum ink composition is a composition containing an organic medium and an aluminum ultrafine particle, and (1) a number-averaged primary particle size is 20-500 nm, (2) an average aspect ratio that is a ratio of the number-averaged primary particle size to an average thickness is 1-5, and (3) an oxygen content is 1-15 mg/m, in the aluminum ultrafine particle.