СПОСОБ ПЕЧАТАНИЯ НА ПОДЛОЖКАХ ЛИСТОВОЙ ФОРМЫ ПРОВЕДЕНИЕМ ПРОЦЕССА СТРУЙНОЙ ПЕЧАТИ

摘要

The invention relates to a method of printing sheet-form substrates by the inkjet printing process, which method comprises printing those materials with an aqueous ink comprising a) at least one dye of formula wherein R₁ and R₂ are each independently of the other hydrogen or unsubstituted or substituted C₁-C₄alkyl, R₃ and R₄ are each independently of the other unsubstituted or substituted C₁-C₄alkyl, R₅ and R₆ are each independently of the other C₁-C₄alkyl, C₁-C₄alkoxy, halogen, hydroxy, carboxy, C₂-C₄alkanoylamino or sulfo, X is halogen, hyrodroxy, C₁-C₄alkoxy that is unsubstituted or substituted in the alkyl moiety, phenoxy that is unsubstituted or substituted in the phenyl ring, C₁-C₄alkylthio that is unsubstituted or substituted in the alkyl moiety, phenylthio that is unsubstituted or substituted in the phenyl ring, amino, N-mono-, or N, N-di-C₁-C₆alkylamino that is unsubstituted or substituted in the alkyl moiety and uninterrupted or interrupted in the alkyl moiety by oxygen, C₅-C₇cycloaklylamino that is unsubstituted or substituted in the cycloalkyl ring, phenyl- or naphthyl-amino that is unsubstituted or substituted in the aryl moiety, N-C₁-C₄alkyl-N-phenyl- or N-C₁-C₄alkyl-N-naphthyl-amino that is unsubstituted or substituted in the aryl moiety, benzylamino that is unsubstituted or substituted in the phenyl moiety, morpholino or piperidin-1-yl, and n and m are each independently of the other the number 0, 1, 2 or 3; and b) a solubilizer or a humectant.