Photosensitive member for electrophotography comprising specified nylon copolymer
First Claim
1. A photosensitive member for electrophotography with a photoconductive layer on an electrically conductive substrate and a surface protective layer on the photoconductive layer, wherein the surface protective layer comprises;
- a first layer having a thickness of 0.05-2.0 μ
m comprising a copolymer which includes at least three nylon monomer components including at least a monomer component for 6-nylon and a monomer component for 6,6-nylon, said copolymer having 0.5-10% in saturated degree of water absorption under 65% of relative humidity at 24°
C. anda second layer having a thickness of 0.05-2.0 μ
m formed on the first layer comprising an inorganic compound.
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Abstract
This invention relates to a photosensitive member for electrophotography with a photoconductive layer on an electrically conductive substrate and a surface protective layer on the photoconductive layer, wherein the surface protective layer comprises a ternary polymer of nylon or a multicomponent polymer of nylon having 10% or less in saturated degree of water absorption under 65% of relative humidity at 24° C. The surface protective layer may have protuberances and hollows thereon. The surface protective layer may further comprises an inorganic layer on the photoconductive layer.
22 Citations
6 Claims
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1. A photosensitive member for electrophotography with a photoconductive layer on an electrically conductive substrate and a surface protective layer on the photoconductive layer, wherein the surface protective layer comprises;
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a first layer having a thickness of 0.05-2.0 μ
m comprising a copolymer which includes at least three nylon monomer components including at least a monomer component for 6-nylon and a monomer component for 6,6-nylon, said copolymer having 0.5-10% in saturated degree of water absorption under 65% of relative humidity at 24°
C. anda second layer having a thickness of 0.05-2.0 μ
m formed on the first layer comprising an inorganic compound. - View Dependent Claims (2, 3)
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4. A photosensitive member for electrophotography with a photoconductive layer on an electrically conductive substrate and a surface protective layer on the photoconductive layer, wherein the surface protective layer comprises;
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a first layer having a thickness of 0.05-2.0 μ
m comprising a copolymer which includes at least three nylon monomer components including at least a monomer component for 6-nylon and a monomer component for 6,6-nylon, said copolymer having 0.5-10% in saturated degree of water absorption under 65% of relative humidity at 24°
C. anda second layer having a thickness of 0.05-2.0 μ
m formed on the first layer comprising inorganic compounds and having protuberances and hollows thereon of 0.03-0.30 micron m in average roughness. - View Dependent Claims (5, 6)
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Specification