POLYESTER RESIN FOR TONER,PROCESS FOR PRODUCING POLYESTER RESIN FOR TONER,AND TONER CONTAINING THE SAME

摘要

A polyester resin for toners which is obtained through polymerization in the presence of either a release agent ingredient having a melting point of 60 to 100°C or a release agent ingredient comprising an alcohol ingredient and which has a softening temperature of 100 to 160°C, an acid value of 0.1 to 30 mg−KOH/g, and a glass transition temperature of 40 to 70°C; a process for producing a polyester resin for toners which comprises conducting polymerization in the presence of either a release agent ingredient having a melting point of 60 to 100°C or a release agent ingredient comprising an alcohol ingredient; and a toner containing the polyester resin. The toner is excellent in non−offset property, gloss, etc.