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Electrophotographic photosensitive body, electrophotographic photosensitive body cartridge, and image forming device

A technology of electrophotography and photoreceptor, which is applied in the fields of electrical recording technology using charge graphics, equipment and optics of electrical recording technology using charge graphics, which can solve problems such as degradation and easy oxidation, and achieve good chemical resistance and ensure Excellent image clarity and dot reproducibility

Active Publication Date: 2015-11-18
MITSUBISHI RAYON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compounds with a low ionization potential are generally easily oxidized, and deterioration due to acidic gas generated in equipment is significant (for example, refer to Patent Document 4)

Method used

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  • Electrophotographic photosensitive body, electrophotographic photosensitive body cartridge, and image forming device
  • Electrophotographic photosensitive body, electrophotographic photosensitive body cartridge, and image forming device
  • Electrophotographic photosensitive body, electrophotographic photosensitive body cartridge, and image forming device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0234] (Example 1, Electrophotographic Photoreceptor X1)

[0235] Aluminum deposition layer (thickness 75 μm) formed on the surface of biaxially stretched polyethylene terephthalate resin film ) on the vapor-deposited layer of the support, the following dispersion for an undercoat layer was applied with a bar coater and dried to form an undercoat layer with a film thickness of 1.25 μm after drying.

[0236] A slurry was obtained by mixing rutile-type titanium oxide ("TTO55N" manufactured by Ishihara Sangyo Co., Ltd.) with an average primary particle diameter of 40 nm and 3% by mass of methyldimethoxysilane relative to the titanium oxide using a ball mill. After the slurry is dried, it is further washed with methanol and dried to obtain a hydrophobic treated titanium oxide, and the hydrophobic treated titanium oxide is dispersed in a mixed solvent of methanol / 1-propanol using a ball mill to obtain a hydrophobized treated titanium oxide. The dispersion slurry of titanium, the ...

Embodiment 2

[0242] (Example 2, electrophotographic photoreceptor X2)

[0243] Except having changed the amine compound in Example 1 into the said exemplified compound (1)-19, it carried out similarly to Example 1, and obtained the photoreceptor X2.

Embodiment 3

[0244] (Example 3, electrophotographic photoreceptor X3)

[0245] A photoreceptor X3 was obtained in the same manner as in Example 1 except that the amine compound in Example 1 was changed to the above-mentioned exemplified compound (1)-28.

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PUM

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Abstract

An electrophotographic photosensitive body which has at least a photosensitive layer on a conductive support, and wherein the photosensitive layer contains a compound represented by formula (1) and a charge transporting substance represented by formula (2). (In the formulae, each of R1-R3 independently represents an alkylene group having 3 or less carbon atoms; each of Ar1 and Ar2 independently represents a hydrogen atom, an alkyl group or an aryl group; Ar3 represents an aryl group; k represents an integer of 1 or 2; each of Ar4-Ar8 independently represents an aryl group; each of Ar9-Ar12 independently represents an arylene group; and each of m and n independently represents an integer of 1-3 (inclusive). In this connection, each of R1-R3 and Ar1-Ar12 may have a substituent.)

Description

technical field [0001] The present invention relates to an electrophotographic photoreceptor, an electrophotographic photoreceptor cartridge, and an image forming apparatus. In particular, it relates to an electrophotographic photoreceptor, an electrophotographic photoreceptor cartridge, and an image forming apparatus that are excellent in gas resistance and durability, and have good responsiveness and electrical characteristics. Background technique [0002] Electrophotographic technology has been widely used in the fields of copiers, various printers, printing machines, and the like in recent years because of its excellent instantaneity and ability to obtain high-quality images. As the electrophotographic photoreceptor that becomes the core of electrophotography technology, what has been adopted is an electrophotographic photoreceptor (hereinafter also referred to as "photoreceptor" for short) that uses an organic photoconductive material that has the advantages of being p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G5/05G03G5/06
CPCG03G5/0614G03G5/0672G03G5/0662G03G15/75G03G5/061473G03G5/06147
Inventor 长尾由香和田光央
Owner MITSUBISHI RAYON CO LTD