Charge control resin particles and toner for developing electrostatic images

摘要

Charge control resin particles comprising a mixture of at least a charge control agent and a resin, wherein a crystalline zinc 3,5-di-tert-butylsalicylate represented by General Formula below, and having major peaks of X-ray diffraction using the CuK alpha - characteristic X-ray at Bragg angles 2&thetas; of at least 6.4+/-0.2 DEG and 15.4+/-0.2 DEG , is contained as said charge control agent. Toner for developing electrostatic images which comprises a coloring agent, a binder resin for toner, and the charge control resin particles <CHEM> <IMAGE>