INKJET COMPOSITION AND INKJET RECORDING METHOD

To provide an inkjet composition which is suitably usable to manufacture a recorded matter having a recording part that is excellent in dispersion stability of a resin material or the like in inkjet ink and is excellent in color development property, and an inkjet recording method which can stably d...

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Bibliographische Detailangaben
Hauptverfasser:	KOMATSU HARUNOBU, TERAO KOICHI, TSUKIJI NIKAKO, HORIBA KOJI, YAMAZAKI SOICHI
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 PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide an inkjet composition which is suitably usable to manufacture a recorded matter having a recording part that is excellent in dispersion stability of a resin material or the like in inkjet ink and is excellent in color development property, and an inkjet recording method which can stably discharge droplets by an inkjet method, and is suitably adoptable to manufacture the recorded matter having the recording part excellent in color development property.SOLUTION: An inkjet composition contains water, a polyester resin having a sulfo group, a coloring material, and a polymer dispersion agent having an anionic group, wherein the coloring material is contained in particles composed of a material containing the polyester resin, and a ratio X1[mol%] of the sulfo group to the total constituent monomer of the polyester resin is smaller than a ratio X2[mol%] of the anionic group to the total constituent monomer of the polymer dispersion agent.SELECTED DRAWING: None 【課題】インクジェットインク中における樹脂材料等の分散安定性に優れるとともに、発色性に優れた記録部を有する記録物の製造に好適に用いることができるインクジェット用組成物を提供すること、また、インクジェット法による液滴吐出を安定的に行うことができ、発色性に優れた記録部を有する記録物の製造に好適に適用することができるインクジェット記録方法を提供すること。【解決手段】本発明のインクジェット用組成物は、水と、スルホ基を有するポリエステル樹脂と、色材と、アニオン性基を有する高分子分散剤とを含み、前記ポリエステル樹脂を含む材料で構成された粒子中に前記色材が含まれており、前記ポリエステル樹脂の全構成モノマーに対する前記スルホ基の割合Ｘ１［ｍｏｌ％］は、前記高分子分散剤の全構成モノマーに対する前記アニオン性基の割合Ｘ２［ｍｏｌ％］よりも小さい。【選択図】なし