INK SET FOR INKJET PRINTING

PROBLEM TO BE SOLVED: To provide an inkset for inkjet printing capable of attaining a good fading balance of a color ink printed product produced by the inkset for inkjet printing containing a plurality of color ink, even when the product is left under a real circumstance where light and ozone act s...

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Bibliographische Detailangaben
Hauptverfasser: TANIGUCHI MASAHIKO, KOGA SHIGEMI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an inkset for inkjet printing capable of attaining a good fading balance of a color ink printed product produced by the inkset for inkjet printing containing a plurality of color ink, even when the product is left under a real circumstance where light and ozone act simultaneously. SOLUTION: Monochrome patches are formed by printing on inkjet printing paper with each color ink of the inkset containing a plurality of color inks. A light resistance test is conducted on the monochrome patch and an ozone resistance test is also conducted on another monochrome patch printed by the same printing condition. A sum of an optical OD value reduction rate and an ozone OD value reduction rate is regarded as the total OD value reduction rate. The total OD value reduction rate of each color ink is