Invention Grant
US08404411B2 Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge 有权
电子照相感光体,图像形成装置和电子照像盒

Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge
Abstract:
An electrophotographic photoreceptor having high sensitivity and hardly affected by the transfer in an electrophotographic process is provided. The electrophotographic photoreceptor includes an undercoat layer containing metal oxide particles and a binder resin and a photosensitive layer disposed on the undercoat layer, wherein the metal oxide particles have a volume average particle diameter of 0.1 μm or less and a 90% cumulative particle diameter of 0.3 μm or less which are measured by a dynamic light-scattering method in a liquid of the undercoat layer dispersed in a solvent mixture of methanol and 1-propanol at a weight ratio of 7:3, and the photosensitive layer contains a binder resin having an ester bond.
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