Ink set, recorded material and printed material

Details Ink set, recorded material and printed material Ink set, recorded material and printed material

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01)

Patent

CA 2748190

An ink set is provided, the ink set including a yellow ink composition; and at least one of a magenta ink composition and a cyan ink composition, wherein a colorant of the yellow ink composition contains an azo pigment represented by formula (1), its tautomer, or a salt or hydrate thereof, the magenta ink composition contains at least one pigment selected from quinacridone pigments, and the cyan ink composition contains at least one pigment selected from phthalocyanine pigments: wherein Z represents atoms necessary to complete a 5- to 8-membered nitrogen- containing heterocycle; Y1, Y2, R11 and R12 each represents a hydrogen or a substituent; G1 and G2 each represents a hydrogen, an alkyl group, an aralkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; and W1 and W2 each represents an alkoxy group, an amino group, an alkyl group or an aryl group.

L'invention concerne un ensemble d'encres, l'ensemble d'encres comprenant une composition d'encre jaune, et au moins une parmi une composition d'encre magenta et une composition d'encre cyan. Un colorant de la composition d'encre jaune comprend un pigment azoïque représenté par la formule (1), son tautomère, ou l'un de ses sels ou hydrates, la composition d'encre magenta contient au moins un pigment choisi parmi les pigments quinacridone, et la composition d'encre cyan contient au moins un pigment choisi parmi des pigments phtalocyanine. Z représente les atomes nécessaires pour compléter un hétérocycle azoté de 5 à 8 chaînons, Y1, Y2, R11 et R12 représentent chacun un atome d'hydrogène ou un substituant, G1 et G2 représentent chacun un atome d'hydrogène, un groupe alkyle, un groupe aralkyle, un groupe alcényle, un groupe alkynyle, un groupe aryle ou un groupe hétérocyclique ; et W1 et W2 représentent chacun un groupe alcoxy, un groupe amino, un groupe alkyle ou un groupe aryle.

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