Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge
First Claim
1. An electrophotographic photosensitive member comprising a photosensitive layer on a support,wherein a surface layer of the electrophotographic photosensitive member comprises an acrylic polymer having(a) a polyfluoroolefin unit and an alkylene oxide unit,(b) a number-average molecular weight in a range of 2,000 to 20,000, and(c) a molar ratio of the polyfluoroolefin unit to the alkylene oxide unit of 0.1:
- 1 to 2;
1.
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Accused Products
Abstract
According to the present invention, there is provided: an electrophotographic photosensitive member having a photosensitive layer on a support in which a surface layer of the electrophotographic photosensitive member comprises an acrylic polymer having a polyfluoroolefin unit and an alkylene oxide unit, and having a number-average molecular weight in a range of 2,000 to 20,000; a process cartridge and an electrophotographic apparatus both comprising the electrophotographic photosensitive member.
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Citations
19 Claims
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1. An electrophotographic photosensitive member comprising a photosensitive layer on a support,
wherein a surface layer of the electrophotographic photosensitive member comprises an acrylic polymer having (a) a polyfluoroolefin unit and an alkylene oxide unit, (b) a number-average molecular weight in a range of 2,000 to 20,000, and (c) a molar ratio of the polyfluoroolefin unit to the alkylene oxide unit of 0.1:
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18. A process cartridge that integrally supports an electrophotographic photosensitive member comprising a photosensitive layer on a support and at least one unit selected from the group consisting of a charging unit, a developing unit, a transfer unit, and a cleaning unit and that is detachably attached to an electrophotographic apparatus,
wherein a surface layer of the electrophotographic photosensitive member comprises an acrylic polymer having (a) a polyfluoroolefin unit and an alkylene oxide unit, (b) a number-average molecular weight in a range of 2,000 to 20,000, and (c) a molar ratio of the polyfluoroolefin unit to the alkylene oxide unit of 0.1: - 1 to 2;
1.
- 1 to 2;
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19. An electrophotographic apparatus having:
- an electrophotographic photosensitive member having a photosensitive layer on a support;
a charging unit;
an exposing unit;
a developing unit; and
a transfer unit;wherein a surface layer of the electrophotographic photosensitive member comprises an acrylic polymer having (a) a polyfluoroolefin unit and an alkylene oxide unit, (b) a number-average molecular weight in a range of 2,000 to 20,000, and (c) a molar ratio of the polyfluoroolefin unit to the alkylene oxide unit of 0.1;
1 to 2;
1.
- an electrophotographic photosensitive member having a photosensitive layer on a support;
Specification