| 摘要 |
An ink-jet ink composition is disclosed which includes (a) from 3% by mass to 10% by mass of polymer compound particles that include a first copolymer including at least one repeating unit derived from a hydrophilic monomer in an amount of from 1% by mass to 15% by mass, that have a volume average diameter of from 100 nm to 300 nm, and that have no cross-linked structure, (b) from 5% by mass to 20% by mass of at least one water soluble polymer, (c) from 0.1% by mass to 10% by mass of at least one colorant, (d) from 5% by mass to 40% by mass of at least one water soluble organic solvent, and (e) water. An image forming method and printed matter using the same are also disclosed. |
