| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water-based ink composition free from the clogging trouble of a nozzle in the printing with an inkjet printer to give a printed material having preferable print quality, having proper drying speed of printed letter and exhibiting excellent color development. <P>SOLUTION: The water-based ink composition is composed of (a) a water-insoluble resin having an acid value of 5-80 mgKOH/g, (b) an organic solvent, (c) an emulsifier, (d) a neutralizing agent corresponding to the neutralization degree of 0.5-1.5 equivalent based on the acid group of the water-insoluble resin (a), and water and a pigment. <P>COPYRIGHT: (C)2008,JPO&INPIT |
