Ink-jet ink and recording material

摘要

The present invention relates to an ink-jet ink, an ink-jet recording material or an ink-jet system containing at least one water-soluble hindered amine compounds of the general formula (I) or (II): wherein G₁ and G₂ are independently alkyl of (1) to (4) carbon atoms or are together pentamethylene; Z₁ and Z₂ are each methyl, or Z₁ and Z2 ?together form an unsubstituted linking moiety or a linking moiety substituted by one or more groups selected from an ester, ether, hydroxy, oxo, cyanohydrin, amide, amino, carboxy or an urethane group; E is oxyl; X is an inorganic or organic anion; and wherein the local charge of cations h is equal to the total charge of anions j.