Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
AssigneeCanon Kabushiki Kaisha
InventorsTakakazu Tanaka, Hidetoshi Hirano, Hirotoshi Uesugi
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Abstract
An electrophotographic photosensitive member is constituted by a support and a photosensitive layer disposed on the support. The electrophotographic photosensitive member has a surface layer comprising a polyester resin having a recurring unit represented by the following formula (1): wherein A1 represents a substituted or unsubstituted divalent aliphatic hydrocarbon group. The resultant surface layer is effective in improving an abrasive resistance of the photosensitive member.
Claims12
A process cartridge detachably mountable to an electrophotographic apparatus main body, comprising:
- an electrophotographic photosensitive member and contact charging means, wherein
- said electrophotographic photosensitive member comprises a support and a photosensitive layer disposed on the support, and
- said electrophotographic photosensitive member has a surface layer comprising a polyester resin having a recurring unit represented by the following formula (1):
- wherein A1 represents a substituted or unsubstituted divalent aliphatic hydrocarbon group.
An electrophotographic apparatus comprising:
- an electrophotographic photosensitive member, contact charging means, exposure means, developing means and transfer means, wherein
- said electrophotographic photosensitive member comprises a support and a photosensitive layer disposed on the support, and
- said electrophotographic photosensitive member has a surface layer comprising a polyester resin having a recurring unit represented by the following formula (1):
- wherein A1 represents a substituted or unsubstituted divalent aliphatic hydrocarbon group.
Dependencies are inferred from the claim text.