Ink-jet ink and recording material

C - Chemistry – Metallurgy – 09 – D

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Details

C09D 11/02 (2006.01) B41M 5/52 (2006.01) C09K 15/30 (2006.01) B41J 2/01 (2006.01)

Patent

CA 2431999

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.

La présente invention concerne une encre pour impression par jet d'encre, un support d'impression pour impression par jet d'encre ou un système à jet d'encre contenant au moins un composé amine encombré hydrosoluble représenté par la formule générale (I) ou (II), dans laquelle G¿1? et G¿2? représentent indépendamment un alkyle comprenant de (1) à (4) atomes de carbone ou représentent ensemble un pentaméthylène; Z¿1? et Z¿2? représentent chacun un méthyle, ou Z¿1? et Z¿2 ? forment ensemble un fragment de liaison non substitué ou un fragment de liaison substitué par un ou plusieurs groupes sélectionnés dans l'ensemble comprenant un groupe ester, éther, hydroxy, oxo, cyanhydrine, amide, amino, carboxy ou uréthane ; E représente un oxyl ; X représente un anion inorganique ou organique ; et la charge totale des cations h est égale à la charge totale des anions j.

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