Title:
電子写真感光体
Document Type and Number:
Japanese Patent JP7331630
Kind Code:
B2
Abstract:
To provide an electrophotographic photoreceptor that is excellent in wear resistance and prevents random lateral stripes in a formed image.SOLUTION: A photosensitive layer included in an electrophotographic photoreceptor includes a charge generating layer and a charge transport layer. The charge transport layer contains a binder resin, metal-free phthalocyanine, and a hole transport agent. The content of metal-free phthalocyanine is 0.1 to 0.5 parts by mass based on 100.0 parts by mass of the binder resin. The binder resin includes a polyarylate resin having one type of first repeating unit, one type of second repeating unit, and an end group. The first repeating unit is represented by the general formula (1). The second repeating unit is represented by the general formula (2). The end group is represented by the general formula (3). In the general formula (3), Rf represents a chain aliphatic group having 1 to 20 carbon atoms and substituted by one or more fluorine atoms.SELECTED DRAWING: None
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Inventors:
Kazutaka Sugimoto
Kensuke Ohkawa
Azuma Jun
Kensuke Ohkawa
Azuma Jun
Application Number:
JP2019197448A
Publication Date:
August 23, 2023
Filing Date:
October 30, 2019
Export Citation:
Assignee:
Kyocera Document Solutions Inc.
International Classes:
G03G5/05; G03G5/047; G03G5/06
Domestic Patent References:
| JP2018087941A | ||||
| JP2018141071A | ||||
| JP9059364A | ||||
| JP9062017A |
Foreign References:
| WO2018100813A1 |
Attorney, Agent or Firm:
Hiroyuki Maei
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