Ink jet recording ink, ink jet recording method, ink jet recording head, and ink jet recording apparatus

An ink jet recording ink including a coloring material; water; and three kinds of water-soluble compounds. The content of the water is 70 mass% or more with respect to the total amount of the ink. Each water-soluble compound has a molecular weight of 80 or more and is a liquid compound having a vapo...

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Bibliographische Detailangaben
Hauptverfasser:	TSUTSUI, TAKAHIRO, SUZUKI, SHINTARO, AOTO, RYUTA, ARATANI, KANAKO, HIMURA, ERIKO, SUMIKAWA, YUUSUKE, KAWAKAMI, MASATO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An ink jet recording ink including a coloring material; water; and three kinds of water-soluble compounds. The content of the water is 70 mass% or more with respect to the total amount of the ink. Each water-soluble compound has a molecular weight of 80 or more and is a liquid compound having a vapor pressure at 20°C of 5 Pa or less or a solid compound, and at least one kind of the water-soluble compounds is a solid compound. In case that the water-soluble compounds are mixed at a ratio at which the water-soluble compounds are incorporated into the ink to provide a mixture, a 40% aqueous solution of the mixture has a water activity value of 0.88-0.91 and a viscosity of 3.3 mPa·s or less. The total content of the water-soluble compounds in the ink is 20-25 mass% with respect to the total amount of the ink.