ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, AND METHOD OF MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
First Claim
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1. An electrophotographic photosensitive member, comprising:
- a conductive support,a charge-generating layer which is provided on the conductive support and comprises a charge-generating substance, anda charge-transporting layer which is provided on the charge-generating layer and is a surface layer of the electrophotographic photosensitive member;
wherein the charge-transporting layer has a matrix-domain structure having;
a domain which comprises a polyester resin A having a repeating structural unit represented by the following formula (A) and a repeating structural unit represented by the following formula (B); and
a matrix which comprises,at least one resin selected from the group consisting of a polycarbonate resin C having a repeating structural unit represented by the following formula (C) and a polyester resin D having a repeating structural unit represented by the following formula (D), andat least one charge-transporting substance selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (1′
), a compound represented by the following formula (2), and a compound represented by the following formula (2′
);
wherein the content of a siloxane moiety in the polyester resin A is not less than 5.0% by mass and not more than 40% by mass relative to the total mass of the polyester resin A;
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Abstract
An electrophotographic photosensitive member comprises a charge-transporting layer which is a surface layer of the electrophotographic photosensitive member; wherein the charge-transporting layer has a matrix-domain structure having: a matrix comprising a component β and a component γ, and a domain comprising a component α.
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Citations
5 Claims
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1. An electrophotographic photosensitive member, comprising:
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a conductive support, a charge-generating layer which is provided on the conductive support and comprises a charge-generating substance, and a charge-transporting layer which is provided on the charge-generating layer and is a surface layer of the electrophotographic photosensitive member; wherein the charge-transporting layer has a matrix-domain structure having; a domain which comprises a polyester resin A having a repeating structural unit represented by the following formula (A) and a repeating structural unit represented by the following formula (B); and a matrix which comprises, at least one resin selected from the group consisting of a polycarbonate resin C having a repeating structural unit represented by the following formula (C) and a polyester resin D having a repeating structural unit represented by the following formula (D), and at least one charge-transporting substance selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (1′
), a compound represented by the following formula (2), and a compound represented by the following formula (2′
);wherein the content of a siloxane moiety in the polyester resin A is not less than 5.0% by mass and not more than 40% by mass relative to the total mass of the polyester resin A; - View Dependent Claims (2, 3, 4, 5)
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Specification