Ink-jet ink production method and ink-jet recording method

A method of producing an ink-jet ink containing the steps in the order named: (a) dispersing colorant particles, a dispersing agent, and a solvent mixture containing water and a water-soluble organic solvent so as to obtain a dispersion of the colorant particles; (b) filtering the dispersion of the...

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Bibliographische Detailangaben
1. Verfasser:	TAKAGI TOSHIYA
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 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 LAUNDERING LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A method of producing an ink-jet ink containing the steps in the order named: (a) dispersing colorant particles, a dispersing agent, and a solvent mixture containing water and a water-soluble organic solvent so as to obtain a dispersion of the colorant particles; (b) filtering the dispersion of the colorant particles using a hollow fiber filter; and (c) applying ultrasonic degassing treatment to the filtered dispersion of the colorant particles to obtain the ink-jet ink, wherein a content of oxygen in the ink-jet ink is not more than 2 ppm based on the total weight of the ink-jet ink.