Title:
ELECTROPHOTOGRAPHIC PHOTORECEPTOR
Document Type and Number:
Japanese Patent JP2020181011
Kind Code:
A
Abstract:
To provide an electrophotographic photoreceptor that is excellent in wear resistance and can prevent passing of toner and the like at a contact part with a cleaning blade.SOLUTION: A binder resin contained in a photosensitive layer of an electrophotographic photoreceptor contains a first polyarylate resin and a second polyarylate resin. The first polyarylate resin includes a repeating unit (1), a repeating unit (2), and a repeating unit (3). The ratio of the number n1 of the repeating units (1) to the number n2 of the repeating units (2), n1/n2 is 1.0 or more. The second polyarylate resin includes at least a repeating unit (11) and a repeating unit (12), and does not include the repeating unit (2). The ratio of the mass of the first polyarylate resin to the mass of the second polyarylate resin is 0.4 or more and 3.0 or less.SELECTED DRAWING: Figure 1
Inventors:
OGATA AKIHIKO
AZUMA JUN
OKAWA KENSUKE
AZUMA JUN
OKAWA KENSUKE
Application Number:
JP2019081925A
Publication Date:
November 05, 2020
Filing Date:
April 23, 2019
Export Citation:
Assignee:
KYOCERA DOCUMENT SOLUTIONS INC
International Classes:
G03G5/05; G03G5/047; G03G5/06
Attorney, Agent or Firm:
Hiroyuki Maei