Method of using resin powders to cure solvent-free inks

Details Method of using resin powders to cure solvent-free inks Method of using resin powders to cure solvent-free inks

B - Operations, Transporting

41

M

117/65

B41M 7/02 (2006.01)

Patent

CA 1044087

ABSTRACT OF THE DISCLOSURE This invention is concerned with a method of curing solvent-free inks by application of a powdered resin to a freshly printed surface. Powder, which does not adhere to the ink, is removed and the printed surface then is passed through a heating tunnel where the resin melts, thereby curing the ink. Optionally, the printed surface may be leveled mechanically following curing. Such leveling produces a higher gloss. Air pollution which normally is caused by solvent fumes in conventional processes is eliminated by this method. Moreover, heat energy is con- served as the need to vaporize a solvent and to carry-off the heated vapors is eliminated.

222839

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