INK COMPOSITION FOR INKJET RECORDING

PROBLEM TO BE SOLVED: To enable formation of a printed layer having excellent adhesion to an impermeable recording medium, using an ink composition including a pigment, without increasing a workload to the maintenance of an inkjet recording device.SOLUTION: An ink composition for inkjet recording in...

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Bibliographische Detailangaben
Hauptverfasser:	KIYOMOTO HIROSHI, KITAWAKI SOYA
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:	PROBLEM TO BE SOLVED: To enable formation of a printed layer having excellent adhesion to an impermeable recording medium, using an ink composition including a pigment, without increasing a workload to the maintenance of an inkjet recording device.SOLUTION: An ink composition for inkjet recording includes: a dispersant including water and glycol ether with a boiling point of 220°C or higher; a pigment; and a core-shell particle including a core composed of a hydrophobic acrylic resin and a shell composed of at least one of an aqueous urethane resin and an acrylic graft aqueous urethane resin.SELECTED DRAWING: None 【課題】インクジェット記録装置のメンテナンスに要する労力を増大させることなしに、顔料を含んだインク組成物を用いて、非浸透性の記録媒体に対して密着性に優れた印刷層を形成可能とする。【解決手段】実施形態のインクジェット記録用インク組成物は、水と沸点が２２０℃以上のグリコールエーテルとを含んだ分散媒と、顔料と、疎水性アクリル樹脂からなるコアと、水性ウレタン樹脂及びアクリルグラフト水性ウレタン樹脂の少なくとも一方からなるシェルとを備えたコアシェル粒子とを含有している。【選択図】なし