abstract |
(57) [Summary] [Problem] To provide an image recording coloring composition excellent in various performances including heat resistance and fastness in which hue clarity, sharpness, transparency and the like are not changed by heat history in kneading and the like. SOLUTION: In a coloring composition for image recording containing a pigment and a resin, as the pigment, a diazonium salt of p-toluidine-m-sulfonic acid and β-oxynaphthoic acid are coupled, and after coupling, or Lake with calcium at the same time as the ring I. Pigment Red 57: 1, p-toluidine-m An azo lake pigment composition obtained by substituting a part of sulfonic acid with an aromatic amine having a soluble group such as 1-amino-4-chloro-5-methylbenzene-2-sulfonic acid. A coloring composition for image recording. |