| abstract |
(57) [Abstract] [Purpose] To provide a water-based ink that satisfies the required performance as an inkjet ink, has excellent dryness, and has improved image quality deterioration. [Structure] An aqueous ink containing a colorant and a compound represented by the following structural formula. [Chemical 1] (M is alkali metal ion, quaternary ammonium, quaternary ammonium Phosphonium, alkanolamine, R 1 and R 2 are alkyl groups having 4 or more carbon atoms and may be branched, and m is an integer of 1 or more) |