An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer containing a charge transport portion including a first hole transport material represented by General Formula (1) below, a cured resin, and a cross-linked structure there between: ##STR00001## where Za is a polymerizable functional group with a Structural Formula (2), (3), or (4), Zb is a divalent group with a Structural Formula (6) or (7), Ra, Rb, Rc and Rd each are one of a branched or unbranched alkyl group having from 1 to 6 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted styryl group, I is 0 or 1 when Za is (2) or (4) and 1 when Za is (3), m is from 0 to 5, n, o, and p are each from 0 to 4, q is from 1 to 3.

An electrophotographic photosensitive member that has an electroconductive support and a photosensitive layer on the electroconductive support, and reduces image failures. The surface layer of the electrophotographic photosensitive member includes a cured product of a composition of: a charge transporting compound having a specific polymerizable functional group; a polytetrafluoroethylene particle having a specific primary particle diameter; and a polymer having specific structural units and having weight average molecular weight.

An electrophotographic photosensitive member that has an electroconductive support and a photosensitive layer on the electroconductive support, and reduces image failures. The surface layer of the electrophotographic photosensitive member includes a cured product of a composition of: a charge transporting compound having a specific polymerizable functional group; a polytetrafluoroethylene particle having a specific primary particle diameter; and a polymer having specific structural units and having weight average molecular weight.

Provided is an electrophotographic photosensitive member improved both in wear resistance and in image unevenness. The electrophotographic photosensitive member includes a support, and a photosensitive layer and a surface layer on the support, wherein the surface layer is a cured product of a composition containing a compound represented by the formula (A) and a charge-transporting substance having at least one reactive functional group selected from the group consisting of a hydroxy group, a methoxy group, an amino group, a thiol group, and a carboxyl group.

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer formed on the conductive substrate. The photosensitive layer contains a cross-linked structure derived from a first hole transport material represented by the following general formula (1):

##STR00001##

Za is a polymerizable functional group with structural formula (2), (3), or (4), Zb is a divalent group with structural formula (5), (6), or (7), Ra, Rb, Rc and Rd each are one of a branched or unbranched alkyl group having from 1 to 6 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted styryl group, l is an integer of 0 or 1, m is an integer from 0 to 5, n, o, and p are each integer from 0 to 4, q is an integer from 1 to 3.

##STR00002##

Provided is an electrophotographic photosensitive member improved both in wear resistance and in image unevenness. The electrophotographic photosensitive member includes a support, and a photosensitive layer and a surface layer on the support, wherein the surface layer is a cured product of a composition containing a compound represented by the formula (A) and a charge-transporting substance having at least one reactive functional group selected from the group consisting of a hydroxy group, a methoxy group, an amino group, a thiol group, and a carboxyl group.

Provided is an electrophotographic photosensitive member having a satisfactory suppressing effect on image smearing. The electrophotographic photosensitive member includes: a support; a photosensitive layer; and a surface layer, the surface layer containing at least one of melamine resin-containing particles and acrylic resin-containing particles, and a polymerized product of a composition containing a charge-transporting compound having a polymerizable functional group; and a compound represented by formula (1):

##STR00001##

Provided is an electrophotographic photosensitive member that can achieve both of satisfactory wear resistance and the suppression of an image streak at the time of its repeated use. The electrophotographic photosensitive member includes a support and a photosensitive layer. The surface layer of the electrophotographic photosensitive member contains: a polymer of a hole-transportable compound having a chain-polymerizable functional group; and an ester compound having specific alkyl groups.

An electrophotographic photoreceptor includes a conductive substrate, a charge generation layer provided on the conductive substrate, a charge transport layer provided on the charge generation layer, and a surface protective layer provided on the charge transport layer, in which the charge transport layer has a film thickness of 8 m or greater and 25 m or less, and the surface protective layer is a cured film of a composition, having a film thickness of 10 m or less and containing a resin (X) that has at least one of a unit represented by Formula (X1) or a unit represented by Formula (X2) and a reactive group-containing charge transport material that contains a reactive group and a charge-transporting skeleton in an identical molecule,

##STR00001## in Formula (X1), R.sup.101, R.sup.102, and R.sup.103 each independently represent a hydrogen atom or an alkyl group having 1 or more and 5 or less carbon atoms, L.sup.101 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, O, C(O), C(O)O, an aromatic ring that may have a substituent, or a combination thereof, L.sup.102 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, O, C(O), C(O)O, or a combination thereof, R.sup.104 and R.sup.105 each independently represent an alkyl group having 1 or more and 5 or less carbon atoms, n represents an integer of 0 or greater and 300 or less, R.sup.106, R.sup.107, and R.sup.108 each independently represent an alkyl group having 1 or more and 5 or less carbon atoms or O[Si(R.sup.109)(R.sup.110)O].sub.mSi(R.sup.111)(R.sup.112)(R.sup.113) R.sup.109, R.sup.110, R.sup.111, R.sup.112, and R.sup.113 each independently represent an alkyl group having 1 or more and 5 or less carbon atoms, and m represents an integer of 0 or greater and 20 or less, in Formula (X2), R.sup.201, R.sup.202, and R.sup.203 each independently represent a hydrogen atom or an alkyl group having 1 or more and 5 or less carbon atoms, L.sup.201 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, O, C(O), C(O)O, an aromatic ring that may have a substituent, or a combination thereof, L.sup.202 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, O, C(O), C(O)O, or a combination thereof, and R.sup.204 is an alkyl group having 6 or more and 30 or less carbon atoms.