INK DISPERSION COMPOSITION AND WATER-BASED INK

A dispersion composition that has good storage stability, achieves high density of a colorant when used as ink, has good redispersibility after drying, and preserves the physical properties of ink when stored for a long period of time is provided. The dispersion composition comprises: (A) a dye and/...

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Bibliographische Detailangaben
Hauptverfasser:	SASAKI, Keijyou, SHIMIZU, Shinsuke, MISAWA, Shunta, ITO, Ryutarou, HIGUCHI, Hiroko, MASEKI, Junya
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A dispersion composition that has good storage stability, achieves high density of a colorant when used as ink, has good redispersibility after drying, and preserves the physical properties of ink when stored for a long period of time is provided. The dispersion composition comprises: (A) a dye and/or a pigment; (B) a styrene-(meth)acrylic copolymer; and (C) a compound represented by the following formula (1):where t represents 1 to 5,wherein a content of (C) the compound represented by the formula (1) is more than 0.18 mass%, and a sum total of a sodium ion concentration, a potassium ion concentration, and a lithium ion concentration in the ink dispersion composition is 6800 ppm or less.