BLUE, RED, AND YELLOW DYE COMPOUNDS AND A BLACK INK COMPOSITION INCLUDING THE SAME CAPABLE OF BEING APPLICABLE FOR PRINTING INKJET

摘要

PURPOSE: Blue, red, and yellow dye compounds and a black ink composition including the same are provided to improve the colorability, the light fastness, and the dyeing quality of the composition.;CONSTITUTION: A blue dye compound includes a structure of chemical formula I. In the chemical formula I, the R1 and the R2 are respectively Cl, COOM, NO_2, or OCH_3. The M is H, Na, Li, or NH_4. The m is 0 or 1. The n is 0 or 1. A red dye compound includes a structure of chemical formula II. In the chemical formula II, the R3 and the R4 are respectively Cl, COOM, NO_2, or OCH_3. The M is H, Na, Li, or NH_4. The m is 0 or 1. The n is 0 or 1. A yellow dye compound includes a structure of chemical formula III. In the chemical formula III, the R5 and the R6 are respectively Cl, COOM, NO_2, or OCH_3. The M is H, Na, Li, or NH_4. The m is 0 or 1. The n is 0 or 1. A black ink composition includes 0.1-15 weight% of dye compounds containing blue, red, yellow dye compounds, 5-60 weight% of an organic solvent, and water.;COPYRIGHT KIPO 2012