| abstract |
[PROBLEMS] To produce not only plain paper but also water-absorbing inferior, coated paper for printing coated with inorganic pigment, no color bleeding, excellent drying property, excellent ejection stability and storage stability, To provide an ink set capable of forming an excellent printed product capable of forming an excellent printed matter without paper cockling. In an ink set of a water-based ink containing at least water, a water-insoluble colorant, a water-soluble organic solvent, and a surfactant, the ink set includes at least black ink, cyan, magenta, and yellow color inks. 1) Use a water-soluble organic solvent different from black ink and at least one of color inks other than black, 2) The surface tension of the water-soluble organic solvent used only in the color ink other than black is higher than the surface tension of the water-soluble organic solvent used only in the black ink. An ink set for recording. [Selection] Figure 1 |