Compound, charge transporting film, photoelectric conversion device, electrophotographic photoreceptor, process cartridge, and image forming apparatus
View Patent ↗Provided is a compound represented by the following General Formula (I): wherein in General Formula (I), F represents a charge transporting subunit, L represents a linking group having a valency of (n+1) that is formed by combining two or more kinds selected from a group consisting of an alkylene group, —C═C— (an alkenylene group), —C(═O)—, —N(R)—, —O—, and —S—, and R represents a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, m represents an integer of from 1 to 6, and n represents an integer of from 2 to 3.
1. A compound represented by the following General Formula (I):
wherein in General Formula (I), F represents a charge transporting subunit, L represents a linking group having a valency of (n+1) that is formed by combining two or more kinds selected from the group consisting of an alkylene group, —C═C— (an alkenylene group), —C(═O)—, —N(R)—, —O—, and —S—, and R represents a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, m represents an integer of from 1 to 6, and n represents an integer of from 2 to 3.
2. The compound according to claim 1 , which is represented by the following General Formula (II):
wherein in General Formula (II), each of Ar 1 to Ar 4 independently represents a substituted or unsubstituted aryl group, Ar 5 represents a substituted or unsubstituted aryl group or a substituted or unsubstituted arylene group, D represents a group represented by General Formula (III), k represents 0 or 1, each of c1 to c5 represents an integer of from 0 to 2, and at least one of c1 to c5 is not 0 :
wherein in General Formula (III), L represents a linking group having a valency of (n+1) that is formed by combining two or more kinds selected from the group consisting of an alkylene group, —C═C— (an alkenylene group), —C(═O)—, N(R)—, —O—, and —S—, R represents a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, and n represents an integer of from 2 to 3.
3. The compound according to claim 1 ,
wherein the following partial structure in the compound represented by General Formula (I) is a group represented by the following General Formula (IV-1) or a group represented by the following General Formula (IV-2):
wherein in General Formulae (IV-1) and (IV-2), X represents a divalent group, and p represents 0 or 1, and the wavy line in the above partial structure represents a site binding to the charge transporting subunit represented by F.
4. The compound according to claim 1 ,
wherein the following partial structure in the compound represented by General Formula (I) is a group represented by the following General Formula (V-1) or a group represented by the following General Formula (V-2):
wherein in General Formulae (V-1) and (V-2), X′ represents a divalent group, and p′ represents 0 or 1, and the wavy line in the above partial structure represents a site binding to the charge transporting subunit represented by F.
5. A charge transporting film comprising a polymer of the compound according to claim 1 .
6. The charge transporting film according to claim 5 , further comprising a thermal radical generator or a derivative thereof.
7. A photoelectric conversion device comprising the charge transporting film according to claim 5 .
8. An electrophotographic photoreceptor comprising a charge transporting layer that contains a polymer of a compound represented by the following General Formula (I):
wherein in General Formula (I), F represents a charge transporting subunit, L represents a linking group having a valency of (n+1) that is formed by combining two or more kinds selected from the group consisting of an alkylene group, —C═C— (an alkenylene group), —C(═O)—, —N(R)—, —O—, and —S—, and R represents a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, m represents an integer of from 1 to 6, and n represents an integer of from 2 to 3.
9. The electrophotographic photoreceptor according to claim 8 ,
wherein the compound represented by General Formula (I) is a compound represented by the following General Formula (II):
wherein in General Formula (II), each of Ar 1 to Ar 4 independently represents a substituted or unsubstituted aryl group, Ar 5 represents a substituted or unsubstituted aryl group or a substituted or unsubstituted arylene group, D represents a group represented by General Formula (III), k represents 0 or 1, each of c1 to c5 represents an integer of from 0 to 2, and at least one of c1 to c5 is not 0 :
wherein in General Formula (III), L represents a linking group having a valency of (n+1) that is formed by combining two or more kinds selected from the group consisting of an alkylene group, —C═C— (an alkenylene group), —C(═O)—, —N(R)—, —O—, and —S—, R represents a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, and n represents an integer of from 2 to 3.
10. The electrophotographic photoreceptor according to claim 8 ,
wherein the following partial structure in the compound represented by General Formula (I) is a group represented by the following General Formula (IV-1) or a group represented by the following General Formula (IV-2):
wherein in General Formulae (IV-1) and (IV-2), X represents a divalent group, and p represents 0 or 1, and the wavy line in the above partial structure represents a site binding to the charge transporting subunit represented by F.
11. The electrophotographic photoreceptor according to claim 8 ,
wherein the following partial structure in the compound represented by General Formula (I) is a group represented by the following General Formula (V-1) or a group represented by the following General Formula (V-2):
wherein in General Formulae (V-1) and (V-2), X′ represents a divalent group, and p′ represents 0 or 1, and the wavy line in the above partial structure represents a site binding to the charge transporting subunit represented by F.
12. The electrophotographic photoreceptor according to claim 8 , comprising the charge transporting layer as an outermost surface layer.
13. The electrophotographic photoreceptor according to claim 8 ,
wherein the charge transporting layer further contains a thermal radical generator or a derivative thereof.
14. A process cartridge comprising the electrophotographic photoreceptor according to claim 8 ,
wherein the process cartridge is detachable from an image forming apparatus.
15. An image forming apparatus comprising:
the electrophotographic photoreceptor according to claim 8 ,
a charging device that charges the electrophotographic photoreceptor;
an electrostatic latent image forming unit that forms an electrostatic latent image on the charged electrophotographic photoreceptor;
a developing unit that develops the electrostatic latent image formed on the electrophotographic photoreceptor by using a toner to form a toner image; and
a transfer unit that transfers the toner image to a transfer medium.