INK FOR INKJET

To provide an ink for an inkjet capable of forming an image having a desired image density, and excellent in scratch resistance.SOLUTION: An ink for an inkjet contains a pigment, a specific resin particle, and an aqueous medium. The aqueous medium includes water, a first organic solvent, and a secon...

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1. Verfasser:	TSUCHIHASHI KAZUKI
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 ink for an inkjet capable of forming an image having a desired image density, and excellent in scratch resistance.SOLUTION: An ink for an inkjet contains a pigment, a specific resin particle, and an aqueous medium. The aqueous medium includes water, a first organic solvent, and a second organic solvent. The first organic solvent is at least one of 3-methyl-1,3-butanediol, ethylene glycol monomethyl ether, and dipropylene glycol. The surface tension of the second organic solvent is 25.0 mN/m or higher and 35.0 mN/m or lower. The specific resin particle includes a fluorine-containing (meth)acrylic resin.SELECTED DRAWING: None 【課題】所望の画像濃度を有し、かつ耐擦過性に優れる画像を形成できるインクジェット用インクを提供する。【解決手段】インクジェット用インクは、顔料と、特定樹脂粒子と、水性媒体とを含有する。前記水性媒体は、水、第１有機溶媒、及び第２有機溶媒を含む。前記第１有機溶媒は、３－メチル－１，３－ブタンジオール、エチレングリコールモノメチルエーテル及びジプロピレングリコールのうち少なくとも１種である。前記第２有機溶媒の表面張力は、２５．０ｍＮ／ｍ以上３５．０ｍＮ／ｍ以下である。前記特定樹脂粒子は、フッ素含有（メタ）アクリル樹脂を含む。【選択図】なし