REVERSIBLY THERMOCHROMIC AQUEOUS INKJET PRINTER INK COMPOSITION, INKJET PRINTER AND INK CARTRIDGE USING THE SAME

The present invention provides a reversibly thermochromic aqueous inkjet printer ink composition which can form print images of high resolution and rich color development. The composition comprises: a reversibly thermochromic microcapsule pigment, water, and a polyalcohol organic solvent. Microcapsu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA, Ryo, MITA, Masayuki
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention provides a reversibly thermochromic aqueous inkjet printer ink composition which can form print images of high resolution and rich color development. The composition comprises: a reversibly thermochromic microcapsule pigment, water, and a polyalcohol organic solvent. Microcapsules which are comprised in the composition have a volume-based mean particle size (X) of 0.1 to 2 μm and a mean cross-sectional membrane thickness (Y) of 0.02 to 0.4 which is average of cross-sectional membrane thickness defined by the formula:cross-sectional membrane thickness=(outer section diameter−inner section diameter)/2.