Ink jet printing process

摘要

An ink jet printing process for improving the water-fastness of an ink jet image comprising: a) providing an ink jet recording element comprising a support having thereon an image-recording layer comprising a cross-linkable polymer of acetoacetylated poly(vinyl alcohol) and a mordant, b) applying liquid ink droplets of an anionic, water-soluble dye on the image-recording layer in an image-wise manner, and c) submerging the element in an aqueous solution of a hardener to cross-link the binder.