Electrophotographic photoreceptor, production method therefor, electrophotographic photoreceptor cartridge, and image forming apparatus

An electrophotographic photoreceptor, comprising

• a plurality of layers comprising at least one outermost layer, wherein at least one of the outermost layer comprises a polymer having a structure of the following Formula (1):
• wherein, in Formula (1),
• Ar11 represents an aromatic group, with the proviso that the aromatic group is optionally substituted with at least one selected from the group consisting of an alkyl group, a halogen atom, an alkoxy group, an amino group, an alkyl carbonyl group, an aryl carbonyl group, an alkyl ester group and an aryl ester group,
• R11 to R13 each independently represent a hydrogen atom, a hydrocarbon group, an alkoxy group, a methylol group, a group of the following Formula (2) or a group of the following Formula (3), wherein at least two of R11 to R13 are groups of the following Formula (2) or groups of the following Formula (3),
• R14 and R15 each independently represent a hydrogen atom, a hydrocarbon group or an alkoxy group,
• R16 and R17 are a single bond or an oxygen atom, and
• n12 represents an integer of 1 or more and 6 or less, and
• n11 represents an integer of 1 or more and 10 or less,
• wherein, in Formula (2),
• R21 represents a hydrogen atom or a methyl group,
• R22 and R23 each independently represent a hydrogen atom, a hydrocarbon group or an alkoxy group,
• n21 is an integer of 1 or more and 10 or less,
• * indicates a bond with a carbon atom to which R11 to R13 in the above Formula (1) are bonded, and
• ** indicates a bond with an arbitrary atom,
• wherein, in Formula (3),
• R31 to R33 each independently represent a hydrogen atom, a hydrocarbon group, an alkoxy group, a methylol group, or a group of the above Formula (2), wherein at least two of R31 to R33 represent groups of the above Formula (2),
• R34 to R37 each independently represent a hydrogen atom, a hydrocarbon group or an alkoxy group, and
• n31 and n32 are each independently an integer of 1 or more and 10 or less, and
• * indicates a bond with a carbon atom to which R11 to R13 in the above Formula (1) are bonded.

A method for producing an electrophotographic photoreceptor having a plurality of layers comprising at least one outermost layer, comprising polymerizing a compound having a first structure where at least one carbonyl group bonded to an aromatic group and a second structure of the following Formula (A′) to form at least one of the outermost layer:

• wherein, in Formula (A′),
• R11 to R13 each independently represent a hydrogen atom, a hydrocarbon group, an alkoxy group, a methylol group, or a group of the following Formula (2′), wherein at least two of R11 to R13 are groups of the following Formula (2′), and
• * indicates a bond with an arbitrary atom,
• wherein, in Formula (2′),
• R21 represents a hydrogen atom or a methyl group,
• R22 and R23 each independently represent a hydrogen atom, a hydrocarbon group or an alkoxy group, and
• n21 is an integer of 1 or more and 10 or less, and
• * indicates a bond with a carbon atom to which R11 to R13 in the above Formula (A′) are bonded.