POLYURETHANE RESIN FOR TONER, TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a polyurethane resin for toner capable of providing a toner having an improved fix level of a fixed image to a recording medium while maintaining offset resistance.SOLUTION: This polyurethane resin for toner is an addition polymer of an isocyanate component including a compound having at least two isocyanate groups and an alcohol component including rosin diol represented by general formula (1).