Patent ID: 6337169
Filing Date: 2002-01-08
Classification: G03G

Abstract:
A toner comprising:toner particles each containing a binder resin, a colorant and a wax; wherein each toner particle has such a microtexture as to provide a cross section exhibiting a matrix of the binder resin, and a particle of the wax enclosed within the matrix, and the colorant is dispersed to provide a projection area (B) in the binder resin and a projection area (W) in the wax giving a ratio B/W of 0/100-60/40, respectively, as observed through a transmission microscope (TEM); wherein the wax is present in amounts from 0.5 to 30 wt. % based on the weight of the toner, and wherein the wax particles are enclosed within the toner particles to provide an average of ratio r/R from 0.10-0.95, where R represents a longer axis diameter of a cross-section of the toner particle and r represents the largest longer axis diameter of a wax particle enclosed in each said toner particle.