Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
AssigneeCanon Kabushiki Kaisha
InventorsAkira Yoshida, Hideki Anayama
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Abstract
An electrophotographic photosensitive member is disclosed which is provided with a surface layer containing a polyarylate resin or polycarbonate resin. The polyarylate resin and polycarbonate resin have a structural unit having a cyclic siloxane structure in its backbone chain. Also a process cartridge and an electrophotographic apparatus using the photosensitive member are disclosed.
Claims27
An electrophotographic photosensitive member comprising a conductive support and a photosensitive layer provided on the conductive support;
- said electrophotographic photosensitive member having a surface layer which contains a polyarylate resin or polycarbonate resin having a structural unit having a cyclic siloxane structure in its backbone chain.
A process cartridge comprising an electrophotographic photosensitive member and at least one means selected from the group consisting of a charging means, a developing means and a cleaning means;
- said electrophotographic photosensitive member and said at least one means being supported as one unit and being detachably mountable to the main body of an electrophotographic apparatus;
- and
- said electrophotographic photosensitive member comprising a conductive support and a photosensitive layer provided on the conductive support;
- said electrophotographic photosensitive member having a surface layer which contains a polyarylate resin or polycarbonate resin having a structural unit having a cyclic siloxane structure in its backbone chain.
An electrophotographic apparatus comprising an electrophotographic photosensitive member, a charging means, an exposure means, a developing means and a transfer means;
- said electrophotographic photosensitive member comprising a conductive support and a photosensitive layer provided on the conductive support;
- said electrophotographic photosensitive member having a surface layer which contains a polyarylate resin or polycarbonate resin having a structural unit having a cyclic siloxane structure in its backbone chain.
Dependencies are inferred from the claim text.