INKJET RECORDING INK SET AND INKJET RECORDING METHOD

PROBLEM TO BE SOLVED: To provide an inkjet ink set capable of forming a recorded image of high quality, scarcely causing change in color balance even when the formed image is stored for a long period, and capable of maintaining the quality of the image, and to provide an inkjet recording method. SOL...

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Bibliographische Detailangaben
Hauptverfasser:	TAGUCHI TOSHIKI, SHIBAHARA YOSHIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an inkjet ink set capable of forming a recorded image of high quality, scarcely causing change in color balance even when the formed image is stored for a long period, and capable of maintaining the quality of the image, and to provide an inkjet recording method. SOLUTION: This inkjet recording ink set is formed by selecting at least three kinds of inkjet ink of which the each is obtained by dissolving or dispersing a colorant in a water-based or oil-based medium and has a maximum absorption spectrum in a spectroscopic absorption region different from the others, wherein any two of the inkjet ink have such forced discoloration rate constants that a ratio of the rate constant of the one to that of the other is in a range of 0.5 to 2.0, when each of the at least three kinds of the ink printed on a reflection-type image reception medium by using the ink set is measured to obtain the forced discoloration rate constant under an unhumidified condition at 80°C. COPYRIGHT: (C)2004,JPO