DISPERSION COMPOSITION FOR INK, 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:	MASEKI Junya, MISAWA Shunta, SHIMIZU Shinsuke, HIGUCHI Hiroko, SASAKI Keijyou, ITO Ryutarou
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 LAKES LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS THEIR RELEVANT APPARATUS TRANSPORTING TYPEWRITERS 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.