| 摘要 |
PROBLEM TO BE SOLVED: To provide a recording ink capable of simultaneously satisfying, when printed on a paper, dryability on the paper and jetting reliability from a nozzle after having been left standing; an ink medium set; an ink cartridge; an inkjet recording method; an inkjet recording device; and an ink-recorded matter.SOLUTION: The provided inkjet ink is an inkjet ink including at least water, water-soluble organic matters, and a water-dispersible coloring agent wherein (A) the contents of the water-soluble organic matters with respect to the entire ink are 35-60 wt.%, wherein (B) at least 50 mass%, in sum, of diethylene glycol monoisopropyl ether, diethylene glycol monobutyl ether, dipropylene glycol monopropyl ether, and/or dipropylene glycol monoisobutyl ether are included as the water-soluble organic matters with respect to all water-soluble organic matters, and wherein (C) the water-dispersible coloring agent is a modified pigment modified with geminal bisphosphonic acid groups or geminal bisphosphonate groups. |
