Ink for inkjet recording, inkjet recording method, ink cartridge, recording unit and inkjet recording apparatus

An ink for ink jet recording that has excellent color development, has a high level of environmental gas resistance, and, further, can yield images having excellent bronze resistance. The ink comprises at least a colorant. The colorant is a compound represented by general formula (I) or its salt. Th...

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Bibliographische Detailangaben
1. Verfasser:	YOSHIZAWA JUN,SATO SHINICHI,NAKAMURA KUNIHIKO,OKAMURA DAIJI,YAMASHITA TOMOHIRO,JINNO MASANORI
Format:	Patent
Sprache:	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:	An ink for ink jet recording that has excellent color development, has a high level of environmental gas resistance, and, further, can yield images having excellent bronze resistance. The ink comprises at least a colorant. The colorant is a compound represented by general formula (I) or its salt. The content (% by mass) of the colorant is not less than 3.0% by mass based on the total mass of the ink for ink jet recording. The dispersion distance d75 value, occupying 75% of a dispersion distance distribution of molecular aggregates in an ink prepared in such a manner that the concentration of the colorant in the ink forink jet recording is 3.0% by mass, as determined by a small angle X-ray scattering method is not less than 6.50 nm to not more than 7.10 nm.