Aqueous pigment dispersion and aqueous ink for inkjet recording

This invention provides a water pigment dispersoid cable of easy preparation of water pigment ink for inkjet record. The water pigment dispersoid has excellent abrasion resistance and reveals excellent images in color development on general paper and in gloss for any record media on specific paper....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ENOMOTO, YUUYA, SUNOUCHI, KOZUE, MATSUMOTO, TADASHI, YASUI, KENGO
Format:	Patent
Sprache:	chi ; 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 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 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:	This invention provides a water pigment dispersoid cable of easy preparation of water pigment ink for inkjet record. The water pigment dispersoid has excellent abrasion resistance and reveals excellent images in color development on general paper and in gloss for any record media on specific paper. The water pigment dispersoid comprises carbonblack or organic pigments (P), (meth)acrylic-based copolymers (A), polyoxyethylene/polyoxypropylene block copolymers (B) of formula (1), polyurethane (C), alkaline material, and water, wherein the mass ratio of (A+B+C)/P is 0.3 to 1.6, and the mass ratio of A/(A+B+C) is 0.05 to 0.45. HO-(C2H4O)a-(C3H6O)b-(C2H4O)c-H (wherein a, b, and c are independently integral. )