QUINACRIDONE PIGMENT, PIGMENT DISPERSION, AND AQUEOUS INKJET INK

An object of the present invention is to provide an innovative quinacridone pigment that can exhibit even better viscosity stability than conventional pigments and also maintain high saturation in aqueous IJ ink uses. The quinacridone pigment of the present invention has a specific surface area rati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kudo, Arata, Sugiura, Kenichi, Sunouchi, Kozue
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS LAKES 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 POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An object of the present invention is to provide an innovative quinacridone pigment that can exhibit even better viscosity stability than conventional pigments and also maintain high saturation in aqueous IJ ink uses. The quinacridone pigment of the present invention has a specific surface area ratio between water vapor and nitrogen of 0.270 or more and less than 0.430. The pigment dispersion of the present invention contains the quinacridone pigment and a solvent. The aqueous inkjet ink of the present invention contains the pigment dispersion.