INK COMPOSITIONS

The present disclosure is drawn to ink compositions including from 30 wt % to 75 wt % water, an organic co-solvent system, from 0.1 wt % to 3 w % nonionic surfactant, and from 3 wt % to 9 wt % pigment that is dispersed by separate polymer dispersant. The organic co-solvent system can include, based...

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Bibliographische Detailangaben
Hauptverfasser:	JACKSON, Milton Neill, DEARDURFF, Larrie, Bhatt, Jayprakash C
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 METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present disclosure is drawn to ink compositions including from 30 wt % to 75 wt % water, an organic co-solvent system, from 0.1 wt % to 3 w % nonionic surfactant, and from 3 wt % to 9 wt % pigment that is dispersed by separate polymer dispersant. The organic co-solvent system can include, based on the ink composition content, from 15 wt % to 50 wt % of a first solvent portion of high dielectric constant co-solvent with a dielectric constant greater than 30 ε, and from 2 wt % to 15 wt % of a second solvent portion of low dielectric constant co-solvent with a dielectric constant from 1 ε to 30 ε.