INK MIXTURE, ITS PRODUCTION, AND ITS USE

PROBLEM TO BE SOLVED: To obtain an ink mixture, especially, an ink jet ink having improved water resistance by using at least one silane or organosilicon compound. SOLUTION: The silane may be added to a precursor for producing a water- base ink mixture or to a finished water-base ink mixture. The si...

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Bibliographische Detailangaben
Hauptverfasser:	GOEBEL THOMAS, LORTZ WOLFGANG DR, STUEBBE ANDREAS, GLAUM HOLGER DR
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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Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain an ink mixture, especially, an ink jet ink having improved water resistance by using at least one silane or organosilicon compound. SOLUTION: The silane may be added to a precursor for producing a water- base ink mixture or to a finished water-base ink mixture. The silane may be added in a concentration of 0.1-15 wt.%, desirably, 0.5-2.5 wt.% to an ink composition. It is desirable that the silane used is octyltrimethoxysilane or hexadecyltrimethoxysilane. The silane may be used in the form of an aqueous emulsion. The ink mixture may be a water-containing and/or solvent-containing one. In order to improve the water resistance, it is possible to add hydrophobic silicic acid. The ink mixture is produced by adding an organosilane emulsion and optionally, pyrolytic hydrophobic silicon dioxide to a water-based pigment mixture optionally containing a surfactant.