Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
First Claim
Patent Images
1. 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.
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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.
20 Citations
27 Claims
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1. 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. 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;
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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. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. An electrophotographic apparatus comprising an electrophotographic photosensitive member, a charging means, an exposure means, a developing means and a transfer means;
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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. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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Specification