ビスアゾ骨格を有する化合物、該化合物を含有する顔料分散剤、顔料組成物、顔料分散体、インク及びカラーフィルター用レジスト組成物

摘要

An object of the present invention is to provide a pigment dispersant in which dispersibility of an azo pigment in a water-insoluble solvent is improved, and to provide an azo pigment composition in which the azo pigment has high dispersibility in a water-insoluble solvent. The present invention provides a compound used as a pigment dispersant and having a structure in which a specific bisazo skeleton unit bonds to a specific polymer resin unit.