Canon Kabushiki Kaisha

Ryunosuke Kawahara

Akeshi Asaka

Akihiro Taya

Hidetaka Kawamura

Satoru Nishiuma

Yuma Kobayashi

Taiki Watanabe

A fixing film having an endless shape, comprising at least a base material, an elastic layer, and a release layer in this order, the release layer comprising a tube containing a fluorine resin, and a value of Xe to Xm is 1.20 or more, where when, in a chart of an X-ray diffraction peaks obtained by measuring the release layer with a reflection X-ray diffraction method, a maximum X-ray diffraction strength at 2θ=17 to 19° is defined as Ic, a maximum X-ray diffraction strength at 2θ=39.5 to 40.5° is defined as Ia, and a value of Ic/Ia is defined as X, Xe represents an average value of X in an edge region, and Xm represents an average value of X in a central region.

Fixing film, heat fixing apparatus, and electrophotographic image forming apparatus

Provided is an electrophotographic belt of an endless shape including a substrate, wherein the substrate contains a polyimide resin and carbon nanotubes, wherein a content of the carbon nanotubes in the substrate is 15 vol % or less with respect to a total volume of the polyimide resin, wherein the substrate has a tensile strength of 200 MPa or more in each of a peripheral direction thereof and a direction perpendicular to the peripheral direction, and wherein the substrate has a thermal conductivity of 0.9 W/(m·K) or more in a thickness direction thereof.

Electrophotographic belt having a substrate containing a polyimide resin and carbon nanotubes, electrophotographic image forming apparatus, fixing device, and varnish

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Ibaraki, Japan

Ryunosuke Kawahara