| 摘要 |
To provide an aqueous ink composition, which has good thermal stability, can effectively prevent nozzle clogging and can also effectively increase drying rate and durability (particularly, the water resistance) of printed images, even when it is used with a high resolution bubble jet-type ink jet printer. An aqueous ink composition for an ink jet printer, comprising (a) a water-soluble pigment dispersing resin, (b) a pigment, (c) an aqueous solvent and (d) a humectant, wherein the water-soluble pigment dispersing resin (a) is a styrene-(meth)acrylic acid type resin, and the humectant (d) contains sulfonated polyethylene oxide. |
