Patent ID: 8712307

Claim:
A pressure roller for use in a fixing device, the pressure roller comprising: a core metal; an elastic layer; and a releasing layer, wherein the releasing layer is made of at least one fluorine resin selected from among tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, ethylene-tetrafluoroethylene copolymer, and tetrafluoroethylene-hexafluoropropylene copolymer, the fluorine resin containing: at least one polymer selected from among polyvinylidene fluoride, polyacrylonitrile, and polymethyl methacrylate; and monomer electrolyte, wherein an amount of addition of the polymer to the fluorine resin is in the range of 0.05 parts to 5 parts relative to 100 parts of the fluorine resin.