| 摘要 |
FIELD: polygraphic industry. ^ SUBSTANCE: invention is attributed to ink for jet printing. Ink for jet printing is described which ink includes coloring substance with formula (I), or its salt, (I) where: M - hydrogen atom, alkaline metal, alkali-earth metal or cation or ammonium ion of organic amine; n - integer 1 or 2, and water-soluble organic solvent, selected from the group including ethylene glycol, diethylene glycol, 2-pyrrolidone, 1,5-pentanediol, 1,6-hexanediol and ethylene-carbamide, in the quantity of 50 wt % or more relative to content of all organic solvents in the ink. Suggested yellow ink has enhanced humidity resistance and color hue stability due to lowered migration. ^ EFFECT: obtaining ink with enhanced humidity resistance and color hue stability. ^ 7 dwg, 10 tbl, 21 ex |
