| 摘要 |
PROBLEM TO BE SOLVED: To provide an inkjet ink excellent in image density and letter quality even when stored at high temperatures and high humidity in one embodiment of the present invention.SOLUTION: In one embodiment of the present invention, an inkjet ink comprises water, carbon black, an anionic surfactant and a nonionic surfactant. The anionic surfactant is a compound represented by the general formula (1) or a fluorine-based surfactant. The nonionic surfactant is polyoxyethylene monoalkyl ether or a compound represented by the general formula (2). |
