| abstract |
An inkjet recording ink set for a high-speed inkjet printer that can be dried quickly, has a high optical density, and has no spots, and an inkjet that can be dried quickly, has a high optical density, and has excellent character quality. A recording method and an inkjet recording apparatus are provided. An aggregating agent color comprising a black ink and a color ink containing at least cyan, magenta and yellow, wherein the black ink contains at least an aggregating agent, and at least one of the color inks contains at least an aggregating agent. The contact angle after 1 second with the black ink and the recording material of each color ink is 50 degrees or less, the surface tension of the black ink and each color ink is 40 mN / m or less, An ink set for ink jet recording, an ink jet recording method using the same, and an ink jet recording apparatus, wherein the difference in surface tension with the coagulant color ink is 5 mN / m or less. [Selection figure] None |