| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a dispersible colorant which has sufficiently high dispersion stability, is not released from resin components, and is stable over a long period, to provide a method for simply producing the colorant, to provide an ink which uses such the excellent dispersible colorant, has excellent discharging stability, and is used for water-based inkjet recording, to provide an ink tank, to provide an inkjet recording apparatus, to provide an inkjet recording method, and to provide an inkjet recorded image. <P>SOLUTION: The dispersible colorant comprising a colorant and smaller sulfonic group-having chargeable resin pseudo fine particles than the colorant is characterized in that the surface functional group density of the sulfonic groups of the dispersible colorant is ≥100 μmol/g. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
