WATER-BASED INK, INK CARTRIDGE, AND INKJET RECORDING METHOD

To provide a water-based ink that allows recording of an image having excellent marker resistance.SOLUTION: A water-based ink for inkjet contains a first pigment and a second pigment. The first pigment is carbon black in which an anionic group is bound to a particle surface through another atomic gr...

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Bibliographische Detailangaben
Hauptverfasser:	NANAMIYA RYUKI, SUGIE MISAKI, NISHINO ISATERU
Format:	Patent
Sprache:	eng ; jpn
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 PREPARATION OF CARBON BLACK PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide a water-based ink that allows recording of an image having excellent marker resistance.SOLUTION: A water-based ink for inkjet contains a first pigment and a second pigment. The first pigment is carbon black in which an anionic group is bound to a particle surface through another atomic group, and the second pigment is carbon black in which an anionic group is directly bound to a particle surface. The water-based ink further contains an acid-type organic acid.SELECTED DRAWING: None 【課題】耐マーカー性に優れた画像を記録可能な水性インクを提供すること。【解決手段】第１顔料及び第２顔料を含有するインクジェット用の水性インクであって、前記第１顔料が、粒子表面にアニオン性基が他の原子団を介して結合したカーボンブラックであり、前記第２顔料が、粒子表面にアニオン性基が直接結合したカーボンブラックであり、さらに、酸型の有機酸を含有することを特徴とする水性インク。【選択図】なし