Resin for toner, toner, developer, image forming apparatus, and process cartridge

摘要

Provided is a resin for a toner, which is a copolymer including a crystalline segment, and having a maximum elastic stress value at 100°C (ES100) of 1,000 Pa or less, and a maximum elastic stress value at 70°C (ES70) of 1,000 Pa or greater when the temperature is lowered from 100°C to 70°C, where the maximum elastic stress values are measured according to a large amplitude oscillatory shear procedure.