AQUEOUS INK SET FOR INKJET RECORDING AND INKJET RECORDING METHOD

An aqueous ink set for inkjet recording includes first to n-th aqueous inks for inkjet recording. Each of the aqueous inks contains a pigment, water, a surfactant, a binder resin, a urea compound, and a water-soluble organic solvent (1) having a boiling point of from 100° C. to 200° C. inclusive and...

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Bibliographische Detailangaben
Hauptverfasser:	KITADE, Maiko, TSUKAMOTO, Takuji, NIO, Takahiro
Format:	Patent
Sprache:	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:	An aqueous ink set for inkjet recording includes first to n-th aqueous inks for inkjet recording. Each of the aqueous inks contains a pigment, water, a surfactant, a binder resin, a urea compound, and a water-soluble organic solvent (1) having a boiling point of from 100° C. to 200° C. inclusive and a vapor pressure at 20° C. of 0.5 hPa or more. All the first to n-th aqueous inks satisfy a specific expression for γ1 and γ2. γ1 is the surface tension of one of the first to n-th aqueous inks that is jetted as droplets prior to different one, and γ2 is the surface tension of the different one that is jetted as droplets after the one of the first to n-th aqueous inks.