Quinacridone pigment, pigment dispersion, and aqueous inkjet ink
AssigneeDIC Corporation
InventorsKenichi Sugiura, Kozue Sunouchi, Arata Kudo
Life of this patent
Estimating the term…
Abstract
An object of the present invention is to provide an innovative quinacridone pigment that can exhibit even better viscosity stability than conventional pigments and also maintain high saturation in aqueous IJ ink uses. The quinacridone pigment of the present invention has a specific surface area ratio between water vapor and nitrogen of 0.270 or more and less than 0.430. The pigment dispersion of the present invention contains the quinacridone pigment and a solvent. The aqueous inkjet ink of the present invention contains the pigment dispersion.
Claims4
A quinacridone pigment with a specific surface area ratio between water vapor and nitrogen of 0.270 or more and less than 0.430.
Dependencies are inferred from the claim text.