Quinone derivative and electrophotographic photosensitive member

Patent metadata

Field	Value
Publication number	US-9783493-B2
Application number	US-201514953112-A
Country	US
Kind code	B2
Filing date	Nov 27, 2015
Priority date	Nov 28, 2014
Publication date	Oct 10, 2017
Grant date	Oct 10, 2017

Abstract

A quinone derivative represented by general formula (1),

where, in the general formula (1), R 1 and R 2 each represent, independently of one another, an alkyl group, a cycloalkyl group, an alkoxy group, an aralkyl group, or an aryl group, R 3 represents a halogen atom, an alkyl group, an alkoxy group, or an aryl group, m represents an integer of no less than 0 and no greater than 4, and when m represents an integer of no less than 2, chemical groups R 3 may be the same as or different from one another.

First claim

What is claimed is:

1. A quinone derivative represented by general formula (1) shown below,

where, in the general formula (1),
R 1 represents an alkyl group having a carbon atom number of no less than 1 and no greater than 10, a cycloalkyl group having a carbon atom number of no less than 3 and no greater than 10, an alkoxy group having a carbon atom number of no less than 1 and no greater than 6, an aralkyl group having a carbon atom number of no less than 6 and no greater than 12, or an optionally substituted aryl group having a carbon atom number of no less than 6 and no greater than 14,
R 2 represents an alkyl group having a carbon atom number of no less than 1 and no greater than 10, a cycloalkyl group having a carbon atom number of no less than 3 and no greater than 10, an alkoxy group having a carbon atom number of no less than 1 and no greater than 6, or an aralkyl group having a carbon atom number of no less than 6 and no greater than 12,
R 3 represents a halogen atom, an optionally substituted alkyl group having a carbon atom number of no less than 1 and no greater than 6, an optionally substituted alkoxy group having a carbon atom number of no less than 1 and no greater than 6, or an optionally substituted aryl group having a carbon atom number of no less than 6 and no greater than 14,
m represents an integer of no less than 0 and no greater than 4, and
when m represents an integer of no less than 2, chemical groups R 3 may be the same as or different from one another.

2. The quinone derivative according to claim 1 , wherein
the quinone derivative is any one of quinone derivatives represented by chemical formula (1-1) to (1-4) shown below

3. The quinone derivative according to claim 2 , wherein
the quinone derivative is represented by the chemical formula (1-1), (1-2), or (1-4).

4. An electrophotographic photosensitive member comprising a conductive substrate and a photosensitive layer, wherein
the photosensitive layer contains the quinone derivative according to claim 1 .

5. The electrophotographic photosensitive member according to claim 4 , wherein
the photosensitive layer is a single-layer type photosensitive layer in which a charge generating material, a hole transport material, an electron transport material, and a binder resin are contained in the same layer as one another, and
the electron transport material includes the quinone derivative.

Assignees

• Kyocera Document Solutions Inc

Inventors

• Okada Hideki
• Sugai Fumio
• Kojima Kensuke

Classifications

• G03G5/0612

  containing nitrogen · CPC title

• C07C251/24 Primary

  having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings · CPC title

• C07C2601/16

  the ring being unsaturated · CPC title

• C07D213/81

  Amides; Imides · CPC title