| abstract |
PROBLEM TO BE SOLVED: To provide a water-based ink which causes less ink bleeding, has excellent water resistance and fixability of printed matter, and has excellent light fastness of printed matter, and is particularly useful as an ink for ink jet recording. Obtain an aqueous ink. SOLUTION: (1) a diene-based polymer or a diene-based copolymer having a sulfonic acid group (2) at least one selected from an ultraviolet absorber and a light stabilizer (3) at least one selected from a dye and a pigment And (4) an aqueous ink containing water. |