Patent ID: 8874012

Claim:
A developing member comprising a mandrel, an elastic layer formed on an outer periphery surface of the mandrel, and a surface layer covering the outer periphery surface of the elastic layer, wherein the surface layer contains a first resin and a second resin, the first resin has at least one structure selected from the group consisting of the following (A) and (B) between adjacent two urethane linkages, (A) a structure represented by the following structural formula (1), and one or both structures selected from the group consisting of a structure represented by the following structural formula (2) and a structure represented by the following structural formula (3); (B) a structure represented by the following structural formula (4); and the second resin is a resin having a structure of the following structural formula (5), and having a glass transition point Tg of 20° C. or higher and 120° C. or lower: in the structural formula (5), R 1 represents a hydrogen atom or a methyl group, R 2 represents an alkylene group having 1 to 4 carbon atoms, and R 3 and R 4 each independently represent an alkyl group having 1 or 2 carbon atoms.