Aqueous ink, ink cartridge, and inkjet recording method

The invention relates to an aqueous ink, an ink cartridge, and an inkjet recording method. Provided is an aqueous ink for inkjet, which is capable of recording an image having a good hue and a high optical density. The inkjet aqueous ink comprises a pigment and a fluorescent whitening agent. The flu...

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Bibliographische Detailangaben
Hauptverfasser:	RYUKI NANAMIYA, SAITO HIDEYUKI, YUKI NISHINO, TAKIGUCHI SHUHEI
Format:	Patent
Sprache:	chi ; 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:	The invention relates to an aqueous ink, an ink cartridge, and an inkjet recording method. Provided is an aqueous ink for inkjet, which is capable of recording an image having a good hue and a high optical density. The inkjet aqueous ink comprises a pigment and a fluorescent whitening agent. The fluorescent whitening agent is at least one compound selected from the group consisting of a bisstyrylbiphenyl compound having an anionic group, a diaminostilbene compound, and a coumarin compound. The ratio (% by mass) of the content (% by mass) of the fluorescent whitening agent to the content (% bymass) of the pigment is 0.010-3.000%. 本发明涉及水性墨、墨盒和喷墨记录方法。提供可以记录具有良好的色调并且具有高的光学浓度的图像的喷墨用水性墨。存在包含颜料和荧光增白剂的喷墨用水性墨。荧光增白剂为选自由具有阴离子性基团的双苯乙烯基联苯系化合物、二氨基茋系化合物和香豆素系化合物组成的组中的至少一种化合物。荧光增白剂的含量(质量％)基于颜料的含量(质量％)的比例(％)为0.010％以上且3.000％以下。