Wasserfeste Tinten für den Tintenstrahldruck

Waterfast inks for ink jet printing

Encre résistante à l'eau pour l'impression à jet d'encre


An ink jet ink composition comprises a liquid vehicle, a dye, a polymer, and at least one water soluble organic solvent for enhancement of waterfastness. The ink preferably comprises 1% ethoxylated polyethyleneimine to which is added 2% N-methyl-pyrrolidone, to increase the waterfastness of the ink to a level greater than 90%.




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Patent Citations (4)

    Publication numberPublication dateAssigneeTitle
    US-4197135-AApril 08, 1980International Business Machines CorporationWaterfast ink for use in ink jet printing
    US-4269627-AMay 26, 1981The Mead CorporationWaterproof infrared absorptive jet printing ink
    US-4659382-AApril 21, 1987Xerox CorporationWaterfast ink jet compositions and process
    US-5364462-ANovember 15, 1994Graphic Utilities, IncorporatedWaterfast inks

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    Publication numberPublication dateAssigneeTitle