METHOD FOR PRINTING ON WATER-SOLUBLE MATERIAL

摘要

A method for printing on a water-soluble material which comprises the following steps: a) ink jet printing an ink onto a water-soluble material so as to form an image wherein the ink comprises a self-dispersible pigment which comprises a carboxy-functional dispersant crosslinked around a pigment core by a cross-linking agent having at least two groups selected from oxetane, carbodiimide, hydrazide, oxazoline, aziridine, isocyanate, N-methylol, keteneimine, isocyanurate and epoxy groups; b) overprinting the image formed in step A) with a water soluble overprint varnish, also printed material and inks. Also inks, ink-sets and printed water-soluble material.