CLEANING BLADE, CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To achieve both chipping resistance and wear resistance.SOLUTION: There is provided a cleaning blade having a contact part in contact with at least a cleaning target member formed of a polyurethane member that includes a polyurethane material containing a hard segment and a soft segment, where the area of a hard segment aggregate having a diameter of 0.3 μm or more and 0.7 μm or less accounts for its cross section at a ratio of 2% or more and 10% or less.