| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an organic pigment nanoparticle dispersion which excels in dispersibility and dispersion stability when organic nanoparticles are dispersed with a small amount of a dispersion auxiliary and at a high concentration in an aqueous medium, and furthermore is hard to agglomerate even at a high salt concentration, and its manufacturing method. <P>SOLUTION: The organic pigment nanoparticle dispersion contains at least one polymeric compound having a quaternary ammonium moiety. <P>COPYRIGHT: (C)2008,JPO&INPIT |
