INKJET INK

[Problem] An inkjet ink is provided that is characterized by being excellent in intermittent printability particularly in being used in an on-demand type inkjet printer, that is characterized in that printings are not easily blurred when printing is restarted, and that is characterized in that print...

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Bibliographische Detailangaben
Hauptverfasser:	TAKEMOTO, Hidehiro, ISOBE, Kozo
Format:	Patent
Sprache:	eng ; fre ; ger
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] An inkjet ink is provided that is characterized by being excellent in intermittent printability particularly in being used in an on-demand type inkjet printer, that is characterized in that printings are not easily blurred when printing is restarted, and that is characterized in that printings that have been printed on a metal surface or a low-polarity surface or the like are not easily blurred or do not easily come off even if the printings are repeatedly rubbed with a fingertip or the like. [Solution] A phenol resin whose softening point is 70 to 125°C, a tackifier, a colorant, and an organic solvent were compounded together. It is preferable to use an alcohol having one to three carbon atoms as the organic solvent. Additionally, it is preferable to use a terpene phenol resin whose hydroxyl value is 10 to 45 mgKOH/g as the tackifier in dye-based compounding, and it is preferable to use a rosin ester resin whose acid value is 2 to 10 mgKOH/g as the tackifier in pigment-based compounding.