Patent ID: 7947419
Filing Date: 2011-05-24
Classification: G03G

Abstract:
1. A toner, comprising: a binder resin comprising a polyester resin; a colorant; and a release agent comprising a polyglycerin ester having a melt viscosity of from 1.0 to 40 mPa·sec at 120° C. and a hydroxyl value of from 0 to 100 mgKOH/g, wherein the polyglycerin ester is an ester of a polyglycerin having an average polymerization degree of from 2 to 10 and an aliphatic acid having 16 to 24 carbon atoms in average, wherein the polyglycerin ester is dispersed in the toner with a dispersion diameter of from 0.05 to 1.00 μm.