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Monolayer type electrophotographic photoreceptor and electrophotographic device provided with the same

A single-layer photoreceptor technology, which is applied in the electrical recording process using the charge pattern, the equipment and optics of the electrical recording process using the charge pattern, can solve the problem that it is not suitable for the single-layer photoreceptor and it is difficult to obtain photosensitivity at the same time. Physical and electrical characteristics and mechanical durability and other issues

Inactive Publication Date: 2009-02-11
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these compounds have only electron transport ability and thus are not suitable for monolayer type photoreceptors
[0027] As mentioned above, it is difficult to achieve both electrical characteristics and mechanical durability in photoreceptors

Method used

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  • Monolayer type electrophotographic photoreceptor and electrophotographic device provided with the same
  • Monolayer type electrophotographic photoreceptor and electrophotographic device provided with the same
  • Monolayer type electrophotographic photoreceptor and electrophotographic device provided with the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0193] 9 parts by weight of titanium oxide (trade name: Tipaque TTO-D-1, manufactured by Ishihara SangyoKaisha Ltd.) and 9 parts by weight of copolymerized nylon resin (trade name: Amilan CM8000, manufactured by Toray Industries, Inc.) were added to 41 1,3-dioxane and 41 parts by weight of methanol in a mixed solvent, and the mixture was dispersed by a paint shaker for 12 hours, thereby preparing an intermediate layer coating liquid.

[0194] The obtained intermediate layer coating liquid was applied to a cylindrical aluminum support having a diameter of 30 mm and a length of 340 mm by a dip coating method at a film thickness of 1 μm, thereby forming an intermediate layer.

[0195] Then, 215 parts by weight of oxytitanium phthalocyanine having the following structure as a charge generating material and 215 parts by weight of polycarbonate resin (trade name: PCZ-400, manufactured by Mitsubishi Gas Chemical Company, Inc.) were added to 3310 parts by weight of tetrahydrofuran, an...

Embodiment 2

[0201] Produced in the same manner as in Example 1, except that Exemplary Compound 3 was used instead of Exemplary Compound 1 as the hole-transporting material. figure 2 single-layer photoreceptor.

Embodiment 3

[0203] Produced in the same manner as in Example 1, except that Exemplary Compound 6 was used instead of Exemplary Compound 1 as the hole-transporting material. figure 2 single-layer photoreceptor.

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Abstract

A monolayer type photoreceptor and an electronic photographic device equipped with the photoreceptor. The monolayer type photoreceptor obtained by laminating a monolayer type photosensitive layer containing a charge generation material and a charge transport material on a conductive support, wherein the above monolayer type photosensitive layer comprises, as the above charge transport material; a hole transport material and an electron transport material.

Description

[0001] Cross-References to Related Applications [0002] This application claims priority under 35 USC §119 to Japanese Patent Application No. 2007-150524 filed June 6, 2007, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to an electrophotographic photoreceptor for forming images in an electrophotographic system and to an electrophotographic device provided with the electrophotographic photoreceptor. Background technique [0004] Electrophotographic image forming apparatuses (hereinafter also referred to as “electrophotographic apparatuses”) that form images using electrophotography are often used as copiers, printers, facsimile machines, and the like. [0005] In the electrophotographic apparatus, an image is formed through the electrophotographic process described below. First, the photosensitive layer of the electrophotographic photoreceptor (hereinafter also referred to as "photorecepto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G5/04G03G15/00
CPCG03G5/0614G03G5/0675G03G5/0553G03G5/14743G03G5/14769G03G5/061473G03G5/06149
Inventor 杉村博近藤晃弘
Owner SHARP KK