Photoconductor for electrophotography and manufacturing method thereof
AssigneeFuji Electric Co., Ltd.
InventorsYoichi Nakamura, Kimio Kurosawa
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Abstract
A photoconductor for electrophotography is formed of photoconductive material, which includes a substrate, and laminated layers formed on the substrate. The laminated layers includes a charge generation layer and a charge transport layer. The charge generation layer is a film formed by applying to the substrate a coating liquid containing a charge generation material, a resin binder and a stabilizer, and heating and hardening the coated liquid at 120.degree. C. or lower. The photoconductor has good electric characteristics, particularly a low residual potential.
Claims8
A photoconductor for electrophotography, comprising,
- a substrate, and
- a photoconductive material formed of laminated layers disposed on the substrate, said laminated layers including a charge generation layer and a charge transport layer disposed on the charge generation layer, said charge generation layer being in a form of a film prepared by a coating liquid consisting essentially of a charge generation material, a resin binder for the charge generation material and a stabilizer for reducing degradation of the resin binder and the charge generation material, an amount of the resin binder relative to the charge generation material being 5-2,000 wt % and an amount of the stabilizer relative to the resin binder being 0.01-60 wt %, said charge generation layer being heated and hardened at 120.degree. C. or lower so that lowering of electric characteristics of the photoconductor by heat, light and oxygen is reduced.
A method of manufacturing a photoconductor for electrophotography, comprising,
- preparing a coating liquid for a charge generation layer containing a charge generation material, a resin binder for the charge generation material and a stabilizer for reducing degradation of the resin binder and the charge generation material, an amount of the resin binder relative to the charge generation material being 5-2,000 wt % and an amount of the stabilizer relative to the resin binder being 0.01-60 wt %,
- applying the coating liquid on a conductive substrate,
- heating and hardening the coating liquid at 120.degree. C. or lower to form the charge generation layer, and
- forming a charge transport layer on the charge generation layer to prepare a photoconductive material formed of the charge generation layer and the charge transport layer so that lowering of electric characteristics of the photoconductor by heat, light and oxygen is reduced.
Dependencies are inferred from the claim text.