Ink-jet printing material with improved ozone and light stability comprises a base with an ink-absorbing layer, a dye-fixing layer and an outer layer of water-soluble hydroxyaryl-sulfonic acid

摘要

Ink-jet printing material with a base plus ink-absorbing layer(s) (A) and dye-fixing layer(s) (B), in which the upper side of (B) is coated with water-soluble hydroxyaryl-sulfonic acid(s) (I) showing a pKa value of 0.5-2.0 in 0.01-M aqueous solution, so that the coated layer shows a surface pH of 2.5-4.0.