ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC DEVICE

To provide an electrophotographic photoreceptor that achieves good transfer properties.SOLUTION: An electrophotographic photoreceptor has a charge generating layer, a charge transport layer, and a protective layer laminated in this order on a support. The protective layer contains a binder resin and...

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Bibliographic Details
Main Authors HIROTA MASANORI, YAMAAI TATSUYA, WATABE HIROYUKI, NAKAMURA NOBUHIRO, ISHIDA TOMOHITO, WATANABE TOSHITARO
Format Patent
LanguageEnglish
Japanese
Published 22.12.2022
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:To provide an electrophotographic photoreceptor that achieves good transfer properties.SOLUTION: An electrophotographic photoreceptor has a charge generating layer, a charge transport layer, and a protective layer laminated in this order on a support. The protective layer contains a binder resin and particles. In a cross section of the protective layer, when T is the average film thickness of parts of the protective layer not including the particles, and Dm is the volume average particle diameter of the particles, the following formula (a) is satisfied. Formula (a): Dm>T.SELECTED DRAWING: None 【課題】良好な転写性を実現する電子写真感光体の提供。【解決手段】支持体上に、電荷発生層、電荷輸送層及び、保護層をこの順に積層させてなる電子写真感光体において、該保護層が、結着樹脂及び粒子を含有し、該保護層の断面において、該粒子を含まない部位の保護層の平均膜厚をＴとし、該粒子の体積平均粒子径をＤｍとしたとき、下記式（ａ）を満たすことを特徴とする。Ｄｍ ＞ Ｔ 式（ａ）【選択図】なし
Bibliography:Application Number: JP20220089702