Method for manufacturing an electrophotographic photoreceptor
First Claim
1. A manufacturing process for producing an electrophotographic photoreceptor comprising a conductive substrate having thereon a subbing layer and a photosensitive layer, comprising the steps of:
- coating a subbing layer-forming coating solution on the conductive substrate under an environment having a dew-point temperature in the range of from 5°
C. to 10°
C.;
drying the coated solution under an environment having a dew-point temperature in the range of from 10°
C. to 20°
C. to prepare a subbing layer;
coating a photosensitive layer-forming coating solution on the subbing layer under an environment having a dew-point temperature in the range of from 5°
C. to 10°
C.; and
drying the coated solution under an environment having a dew-point temperature in the range of from 10°
C. to 20°
C. to prepare a photosensitive layer;
wherein said subbing layer contains an organic metal compound, a silane coupling agent and a binder resin and said coating solution contains a binder.
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Abstract
There is disclosed a process for manufacturing an electrophotographic photoreceptor having no coating defect, a high charging performance, an excellent stability in a repeated use, and no image quality defect. The manufacturing process comprises the steps of coating a subbing layer-forming coating solution on the conductive substrate under an environment having a dew-point temperature in the range of from 5° C. to 10° C.; drying the coated solution under an environment having a dew-point temperature in the range of from 10° C. to 20° C. to prepare a subbing layer; coating a photosensitive layer-forming coating solution on the subbing layer under an environment having a dew-point temperature in the range of from 5° C. to 10° C.; and drying the coated solution under an environment having a dew-point temperature in the range of from 10° C. to 20° C. to prepare a photosensitive layer.
79 Citations
19 Claims
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1. A manufacturing process for producing an electrophotographic photoreceptor comprising a conductive substrate having thereon a subbing layer and a photosensitive layer, comprising the steps of:
-
coating a subbing layer-forming coating solution on the conductive substrate under an environment having a dew-point temperature in the range of from 5°
C. to 10°
C.;
drying the coated solution under an environment having a dew-point temperature in the range of from 10°
C. to 20°
C. to prepare a subbing layer;coating a photosensitive layer-forming coating solution on the subbing layer under an environment having a dew-point temperature in the range of from 5°
C. to 10°
C.; anddrying the coated solution under an environment having a dew-point temperature in the range of from 10°
C. to 20°
C. to prepare a photosensitive layer;wherein said subbing layer contains an organic metal compound, a silane coupling agent and a binder resin and said coating solution contains a binder. - View Dependent Claims (2, 3, 4)
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5. A manufacturing process for producing an electrophotographic photoreceptor comprising a conductive substrate having thereon a subbing layer and a photosensitive layer, wherein said subbing layer contains an organic metal compound, a silane coupling agent and a binder resin and said coating solution contains a binder, comprising the steps of:
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coating a subbing layer-forming coating solution on the conductive substrate; drying the coated solution; coating a photosensitive layer-forming coating solution on the subbing layer; and drying the coated solution; further comprising controlling the environment during said coating steps at a dew point temperature in the range of from 5°
C. to 10°
C.; and
controlling the environment of said drying steps at a dew point temperature in the range of from 10°
C. to 20°
C. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification