Electrostatically charged image developing toner.

摘要

A developing toner composition is effectively prepared by dispersing in a polymerizable monomer a charge controller, a coloring agent and a highly dielectric material having a dielectric constant of at least 10 at the room temperature and a volume resistivity of at least 1 x 10<1><0> ohm.cm and dispersion polymerizing the resulting dispersion in an aqueous medium in the presence of a dispersion stabilizer to obtain resin particles.