JP2016143024A5

JP2016143024A5 -

Info

Publication number: JP2016143024A5
Application number: JP2015021157A
Authority: JP
Filing date: 2015-02-05
Publication date: 2018-03-15
Anticipated expiration: 2035-02-05

Description

（一般式（ＢＰ）中、Ｒ^Ｂ１、Ｒ^Ｂ２、及びＲ^Ｂ３は、各々独立に、水素原子、ハロゲン原子、炭素数１以上１０以下のアルキル基、炭素数１以上１０以下のアルコキシ基、又は、炭素数６以上１０以下のアリール基を表す。ただし、Ｒ ^Ｂ３は、水酸基を表してもよい。） (In General Formula (BP), R ^B1 , R ^B2 , and R ^B3 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or Represents an aryl group having 6 to 10 carbon atoms, provided that R ^B3 may represent a hydroxyl group.

一般式（ＢＰ）中、Ｒ^Ｂ１、Ｒ^Ｂ２、及びＲ^Ｂ３は、各々独立に、水素原子、ハロゲン原子、炭素数１以上１０以下のアルキル基、炭素数１以上１０以下のアルコキシ基、又は、炭素数６以上１０以下のアリール基を表す。ただし、Ｒ ^Ｂ３は、水酸基を表してもよい。 In General Formula (BP), R ^B1 , R ^B2 , and R ^B3 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or Represents an aryl group having 6 to 10 carbon atoms. However, R ^B3 may represent a hydroxyl group.

Claims

A conductive substrate;
A photosensitive layer disposed on the conductive substrate, comprising a charge generation material, a charge transport material represented by the following general formula (CT1), a charge transport material represented by the following general formula (CT2), and a molecular weight of 300 A photosensitive layer containing at least one selected from the group consisting of the above hindered phenolic antioxidants and benzophenone ultraviolet absorbers,
An electrophotographic photosensitive member having:

(In the general formula (CT1), R ^C11 , R ^C12 , R ^C13 , R ^C14 , R ^C15 , and R ^C16 are each independently a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a carbon number. It represents an alkoxy group having 1 to 20 carbon atoms or an aryl group having 6 to 30 carbon atoms, and two adjacent substituents may be bonded to form a hydrocarbon ring structure, where n and m are each Independently represents 0, 1 or 2.)

(In general formula (CT2), R ^C21 , R ^C22 , and R ^C23 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or And represents an aryl group having 6 to 10 carbon atoms.)

The charge transport material represented by the general formula (CT1), wherein R ^C11 , R ^C12 , R ^C13 , R ^C14 , R ^C15 , and R ^C16 represent a hydrogen atom, and m and n represent 1. Electrophotographic photoreceptor.

The charge transport material represented by the general formula (CT2), wherein R ^C21 and R ^C23 represent a hydrogen atom, and R ^C22 represents an alkyl group having 1 to 10 carbon atoms. Electrophotographic photoreceptor.

The electrophotographic photosensitive member according to claim 1, wherein the hindered phenol-based antioxidant is an antioxidant represented by the following general formula (HP).

(In General Formula (HP), R ^H1 and R ^H2 each independently represents a branched alkyl group having 4 to 8 carbon atoms. R ^H3 and R ^H4 each independently represent a hydrogen atom, Or, it represents an alkyl group having 1 to 10 carbon atoms, and R ^H5 represents an alkylene group having 1 to 10 carbon atoms.)

The electrophotographic photosensitive member according to claim 4, wherein in the antioxidant represented by the general formula (HP), R ^H1 and R ^H2 represent a tert-butyl group.

The electrophotographic photosensitive member according to any one of claims 1 to 5, wherein the benzophenone-based ultraviolet absorber is an ultraviolet absorber represented by the following general formula (BP).

(In General Formula (BP), R ^B1 , R ^B2 , and R ^B3 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or Represents an aryl group having 6 to 10 carbon atoms, provided that R ^B3 may represent a hydroxyl group.

In the benzophenone ultraviolet absorber represented by the general formula (BP), R ^B1 and R ^B2 represent a hydrogen atom, and R ^B3 represents an alkoxy group having 1 to 4 carbon atoms. Photoconductor.

The electrophotographic photoreceptor according to claim 1, wherein the charge generation material is a hydroxygallium phthalocyanine pigment.

The electrophotographic photosensitive member according to any one of claims 1 to 8,
A process cartridge that can be attached to and detached from an image forming apparatus.

The electrophotographic photosensitive member according to any one of claims 1 to 8,
Charging means for charging the surface of the electrophotographic photosensitive member;
An electrostatic latent image forming means for forming an electrostatic latent image on the surface of the charged electrophotographic photosensitive member;
Developing means for developing the electrostatic latent image formed on the surface of the electrophotographic photosensitive member with a developer containing toner to form a toner image;
Transfer means for transferring the toner image to the surface of the recording medium;
An image forming apparatus comprising: