INKJET INK AND INKJET RECORDING METHOD

PROBLEM TO BE SOLVED: To provide novel inkjet ink that is excellent in discharge stability and storage stability and further provides images excellent in color development, and further to provide an inkjet recording method using the inkjet ink excellent in robustness and also excellent in discharge...

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1. Verfasser:	KATSUMATA ATSUHIRO
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 LAKES LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES 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 novel inkjet ink that is excellent in discharge stability and storage stability and further provides images excellent in color development, and further to provide an inkjet recording method using the inkjet ink excellent in robustness and also excellent in discharge stability and storage stability.SOLUTION: The inkjet ink contains: a color material comprising at least one selected from a specific azo pigment, a salt thereof, a hydrate thereof, and tautomers of those, and other dyes; water; and a water-soluble organic solvent, wherein the water-soluble organic solvent includes a poor solvent to the azo pigment, and the inkjet ink has surface tension of 33.0 mN/m or more.