Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

A photosensitive member, electrophotography technology, applied to the equipment of the electric recording process using the charge pattern, the electric recording process using the charge pattern, optics, etc., which can solve the problem of the reduction of sensitivity, the change of the potential of the bright area, and the white turbidity of the surface layer and other problems, to achieve the effect of reducing the initial friction coefficient and suppressing the change of bright area potential
CN103718113BActive Publication Date: 2017-03-15CANON KK
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CANON KK
Publication Date
2017-03-15

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Abstract

The electrophotographic photosensitive member includes a surface layer containing (α) polycarbonate resin or polyester resin having no siloxane structure at the terminal, (β) polycarbonate resin, polyester resin having siloxane structure at the terminal resin or acrylic resin, and (gamma) methyl benzoate, ethyl benzoate, benzyl acetate, ethyl 3‑ethoxypropionate or diethylene glycol ethyl methyl ether.
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Description

technical field

[0001] The present invention relates to an electrophotographic photosensitive member, a process cartridge, and an electrophotographic apparatus. Background technique

[0002] As an electrophotographic photosensitive member to be mounted on an electrophotographic apparatus, an electrophotographic photosensitive member containing an organic photoconductive substance (charge generating substance) is generally used. As an electrophotographic apparatus repeatedly forms images, electrical and mechanical external forces such as charging, exposing, developing, transferring, and cleaning external forces are directly applied to the surface of an electrophotographic photosensitive member, and thus there is a demand for durability of such external forces. In addition, there is also a demand for reducing the frictional force (lubricity and slidability) of a contact member (cleaning blade, etc.) on the surface of an electrophotographic photosensitive member.

[0003] To s...

Claims

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