| 摘要 |
PROBLEM TO BE SOLVED: To provide a water base pigment ink for inkjet recording which excels in long-term storage stability, particularly discharge stability after suspension (intermittent discharge stability) and a discharge stability (preservation discharge stability) when an ink-containing part and a head are left to stand in a separated state for a long period of time and then reused, and can stably record images of a good quality level, and also provide a method for manufacturing the ink. SOLUTION: The inkjet pigment ink comprise a pigment and an aqueous polyester copolymer. |
