AQUEOUS PIGMENT DISPERSION AND INKJET INK

The present invention relates to an aqueous pigment dispersion containing a bisacetoacetarylide pigment (A), a dispersant (B), and an aqueous medium (C) and having an absorbance ratio represented by (absorbance at a wavelength of 408 nm)/(absorbance at a wavelength of 450 nm) of 1.40 or more and to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ENOMOTO Yuuya, KITADE Maiko, SEKI Toshihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES DYES FILLING PASTES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LAKES LAUNDERING 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 PREPARATION OF CARBON BLACK PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TEXTILES TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES TREATMENT OF TEXTILES OR THE LIKE TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention relates to an aqueous pigment dispersion containing a bisacetoacetarylide pigment (A), a dispersant (B), and an aqueous medium (C) and having an absorbance ratio represented by (absorbance at a wavelength of 408 nm)/(absorbance at a wavelength of 450 nm) of 1.40 or more and to an inkjet ink containing the aqueous pigment dispersion.