AQUEOUS CARBON BLACK PREPARATION FOR INKJET

摘要

PROBLEM TO BE SOLVED: To provide a disperse system in which pigment particles are stably dispersed to offer ink having excellent storability and excellent printing properties for various printers.SOLUTION: An aqueous carbon black preparation includes (a) at least one carbon black and (b) at least one neutralized sulfated product produced by reaction of nitrobenzene and aniline in the presence of iron (II) chloride.