INK FOR INKJET, INK CARTRIDGE CONTAINING THE SAME, INKJET DEVICE, IMAGE FORMING METHOD, AND FORMED IMAGE

PROBLEM TO BE SOLVED: To provide an inkjet ink which hardly undergoes changes in pH with time and exhibits excellent delivery stability, an inkjet cartridge containing the same, and the like. SOLUTION: The ink for inkjet comprises at least a self-dispersible pigment, water, a water-soluble organic s...

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Bibliographische Detailangaben
1. Verfasser:	HATADA SHIGEO
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 which hardly undergoes changes in pH with time and exhibits excellent delivery stability, an inkjet cartridge containing the same, and the like. SOLUTION: The ink for inkjet comprises at least a self-dispersible pigment, water, a water-soluble organic solvent and a buffering agent, where an organic compound having an acid dissociation constant pKa of at least 8 but at most 11 is employed as the buffering agent. COPYRIGHT: (C)2004,JPO