Title:
電子写真感光体、プロセスカートリッジおよび電子写真装置
Document Type and Number:
Japanese Patent JP7423311
Kind Code:
B2
Abstract:
An electrophotographic photosensitive member includes: a support, an undercoat layer, and a photosensitive layer in this order, wherein the undercoat layer comprises a polyamide resin, and titanium oxide particles having been subjected to a surface treatment with an organic silicon compound, when an average primary particle size of the titanium oxide particles having been subjected to the surface treatment with the organic silicon compound is defined as “b” [μm], and a mass ratio of a Si element to TiO2 in the titanium oxide particles having been subjected to the surface treatment with the organic silicon compound is defined as “c” [mass %], “b” and “c” satisfy a relationship expressed by the following Expression (B), 0.025≤b×c≤0.050, and the photosensitive layer is a monolayer type photosensitive layer comprising a charge generating substance, a hole transporting substance, and an electron transporting substance.
Inventors:
Yota Ito
Akira Sakakibara
Akira Sakakibara
Application Number:
JP2019239736A
Publication Date:
January 29, 2024
Filing Date:
December 27, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G5/14; G03G5/04; G03G5/06
Domestic Patent References:
| JP2010230746A | ||||
| JP2007286484A | ||||
| JP2011158650A | ||||
| JP2016186589A | ||||
| JP2002287396A | ||||
| JP2019139225A |
Foreign References:
| WO2016199283A1 |
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Aki Honda
Takao Ochi
Koji Yoshizawa
Aki Honda