METHOD OF INK-JET PRINTING ON SHEET-SHAPED SUBSTRATES Russian patent published in 2006 - IPC C09B43/16 C09D11/00 D06P5/30 

FIELD: ink-jet printing facilities and materials.

SUBSTANCE: invention relates to ink-jet printing on sheet-shaped substrates such as paper, films, and textiles. In particular, invention discloses a method for ink-jet printing on sheet-shaped substrates using aqueous ink including (i) at least one dye of formula (I): (I), wherein R₁ and R₂, each independently of the other, represents hydrogen atom or unsubstituted or substituted C₁-C₄-alkyl; R₃ and R₄, each independently of the other, represents unsubstituted or substituted C₁-C₄-alkyl; R₅ and R₆, each independently of the other, represents C₁-C₄-alkyl, C₁-C₄-alkoxy, halogen atom, hydroxyl, carboxyl, C₂-C₄-alkanoylamino, or sulfo group; X represents halogen atom, hydroxyl, C₁-C₄-alkoxy optionally substituted in alkyl residue, phenoxy optionally substituted in phenyl residue, C₁-C₄-alkylyhio optionally substituted in alkyl residue, phenylthio optionally substituted in phenyl ring, amino, C₅-C₇-cycloalkylamino optionally substituted in cycloalkyl residue, phenyl- or naphthylamino optionally substituted in aryl residue, N-C₁-C₄-alkyl-N-phenyl- or N-C₁-C₄-alkyl-N-naphthylamino optionally substituted in aryl residue, benzylamino optionally substituted in phenyl residue, morpholine, or pyperidin-1-yl; and n and m each is a number 0, 1, 2, or 3; and (ii) compound selected from polyethylene glycols with molecular mass from 150 to 400.

EFFECT: enabled producing light-resistant and moistureproof prints with elevated saturation of color.

12 cl, 1 tbl