Fixing rotating member, fixing device with fixing rotating member electrophotographic image forming device with fixing rotating member, and method of producing fixing rotating member

A fixing device comprising:

• a fixing rotating member;
• and
• an induction heating device for heating the fixing rotating member by induction heating,
• wherein the fixing rotating member
• comprises:
• a cylindrical base member comprising at least a resin;
• an electro-conductive layer on the base member;
• and
• a resinous layer on a surface of the electro-conductive layer, the surface being opposed to a surface facing the base member,
• the electro-conductive layer extending in a circumferential direction of an outer circumferential surface of the base member,
• the electro-conductive layer comprising silver,
• the electro-conductive layer having a volume resistivity of 1.0×10−8 to 8.0×10−8 Ω·m, and
• the electroconductive layer having a compressive elastic modulus of 8 to 30 Gpa, the compressive elastic modulus being measured by contacting an indenter with a first surface of the electroconductive layer opposite to a surface facing the base member, and the compressive elastic modulus being an average value of compressive elastic moduli of a thickness region of 0.1 to 0.2 μm from the first surface of the electroconductive layer.

An electrophotographic image forming device, comprising:

• an image bearing member that carries a toner image;
• a transfer device that transfers the toner image to a recording material;
• and
• a fixing device that fixes the transferred toner image to the recording material,
• the fixing device comprising:
• a cylindrical base member comprising at least a resin;
• an electro-conductive layer on the base member;
• and
• a resinous layer on a surface of the electro-conductive layer, the surface being opposed to a surface facing the base member,
• the electro-conductive layer extending in a circumferential direction of an outer circumferential surface of the base member,
• the electro-conductive layer comprising silver,
• the electro-conductive layer having a volume resistivity of 1.0×10−8 to 8.0×10−8 Ω·m, and
• the electroconductive layer having a compressive elastic modulus of 8 to 30 GPa, the compressive elastic modulus being measured by contacting an indenter with a first surface of the electroconductive layer opposite to a surface facing the base member, and the compressive elastic modulus being an average value of elastic moduli of a thickness region of 0.1 to 0.2 μm from the first surface of the electroconductive layer.

A method of producing a fixing rotating member, in which the fixing rotating member comprises:

• a cylindrical base member comprising at least a resin;
• an electro-conductive layer on the base member;
• and
• a resinous layer on a surface of the electro-conductive layer, the surface being opposed to a surface facing the base member,
• the electro-conductive layer extending in a circumferential direction of an outer circumferential surface of the base member,
• the electro-conductive layer comprising silver,
• the electro-conductive layer having a volume resistivity of 1.0×10−8 to 8.0×10−8 Ω·m, and
• the electroconductive layer having a compressive elastic modulus of 8 to 30 GPa, the compressive elastic modulus being measured by contacting an indenter with a first surface of the electroconductive layer opposite to a surface facing the base member, and the compressive elastic modulus being an average value of compressive elastic moduli of a thickness region of 0.1 to 0.2 μm from the first surface of the electroconductive layer,
• the production method comprising:
• (i) a step of obtaining the base member;
• (ii) a step of obtaining an electro-conductive layer by applying a silver nanoparticle ink onto the outer circumferential surface of the base member obtained in the step (i) and performing firing;
• and
• (iii) a step of obtaining a resinous layer by applying a resin material onto the electro-conductive layer obtained in the step (ii) and performing firing.