Patent ID: 6783909
Filing Date: 2004-08-31
Classification: G03G

Abstract:
Electrostatic image developing toner, comprising:fixing resin; and wax; wherein the wax is hydrocarbon-based wax; the wax is containing, as its constitutional components, first wax and second wax; the first wax is higher than 1.5 in ratio of weight average molecular weight (Mw) to number average molecular weight (Mn), lower than 10 mPaÂ·s in melt viscosity at 140Â° C. and higher than 75% and not higher than 85% in degree of crystallinity; and the second wax is not higher than 1.5 in ratio of weight average molecular weight (Mw) to number average molecular weight (Mn), lower than 10 mPaÂ·s in melt viscosity at 140Â° C. and higher than 85% and not higher than 95% in degree of crystallinity.