| abstract |
[PROBLEMS] To provide a stable pigment composition and a pigment dispersion excellent in non-aggregation property and fluidity suitable for offset ink, gravure ink, paint, ink jet ink and the like. At least one selected from a pigment derivative having a basic group, an anthraquinone derivative having a basic group, an acridone derivative having a basic group or a triazine derivative having a basic group, and ethylenic unsaturated having a phosphate group A copolymer comprising a monomer and an ethylenically unsaturated monomer having an alkylene oxide chain as a copolymerization component, a pigment composition comprising a pigment, and a pigment obtained by dispersing the pigment composition in a varnish Dispersion. |