Low water content inks for minimizing wet cockle in thermal ink-jet inks

Wet cockle is minimized in aqueous-based, thermal ink-jet inks by adding to the ink at least one water-soluble substance, such as a solvent or salt, having a molecular weight of less than 200 grams/mole in an amount sufficient to reduce the mole fraction of water to a maximum value of about 0.5. Add...

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Bibliographische Detailangaben
Hauptverfasser:	ADAMIC, RAYMOND J, RADKE, GAROLD E
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:	Wet cockle is minimized in aqueous-based, thermal ink-jet inks by adding to the ink at least one water-soluble substance, such as a solvent or salt, having a molecular weight of less than 200 grams/mole in an amount sufficient to reduce the mole fraction of water to a maximum value of about 0.5. Addition of the substance reduces wet paper cockle to a value that is less than the distance between the thermal ink-jet pen and the paper, thereby preventing a crash condition between the paper and the pen.