The present invention provides a compound and a pigment dispersant, each of which improves the dispersibility of various types of pigments in a non-aqueous solvent and also provides a pigment composition, a pigment dispersion, and a toner, each of which has a preferable coloring power. The compound includes a polymer which has a monomer unit having a specific structure and also includes a specific partial structure.
                            本发明提供了一种化合物和一种
颜料分散剂,它们分别提高了各种类型
颜料在非
水溶剂中的分散性,并提供了一种具有理想着色力的
颜料组合物、
颜料分散体和色调剂。该化合物包括具有特定结构的单体单元的聚合物,同时还包括特定的部分结构。