Abstract:
An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer disposed on the conductive substrate. An outermost surface layer of the electrophotographic photoreceptor contains a fluorine-based graft polymer and a fluorine-containing resin particle. The fluorine-based graft polymer includes at least a first structural unit that does not have an acidic group with a pKa of 3 or less but has a fluorine atom, a second structural unit derived from a macromonomer, and a third structural unit having the acidic group with a pKa of 3 or less.
Abstract:
An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer that is disposed on the conductive substrate, and a photosensitive layer that is disposed on the undercoating layer, in which the undercoating layer contains at least one perinone compound selected from the group consisting of the compounds represented by Formulas (1) and (2), and at least one acceptor compound selected from the group consisting of compounds represented by Formula (3) to (15) which are shown in the specification.
Abstract:
An electrophotographic photoreceptor includes a conductive substrate and a single-layered photosensitive layer formed so as to overlie the conductive substrate, the photosensitive layer containing a binder resin, a charge-generating material, a hole-transporting material, an electron-transporting material represented by General Formula (1), and at least one compound selected from a compound represented by General Formula (2) and a compound represented by General Formula (3). The amount of the at least one compound selected from the compound represented by General Formula (2) and the compound represented by General Formula (3) is in the range of approximately 10 parts by weight to 100 parts by weight in total relative to 100 parts by weight of the electron-transporting material represented by General Formula (1).
Abstract:
An electrophotographic photoreceptor includes a conductive substrate; a photosensitive layer provided on the conductive substrate; and an undercoating layer that is provided between the conductive substrate and the photosensitive layer and includes a charge transport material containing at least one of imide compounds represented by Formula (1) or (2): (in Formulas (1) and (2), R10, R11, R20 or R21 independently represents a group represented by Formula (3) or (4) where X represents a monovalent organic group having at least one of an alkyl group, an alkylene group, an ether group, an ester group, and a keto group, a halogen atom, a nitro group, an aralkyl group, or an aryl group, Y represents a sulfur atom or an oxygen atom, n represents an integer of 0 to 2, and when n represents 2, two X's may be the same or different), and an imide compound is represented by Formula (1A) where Ar represents an aromatic group having 6 to 18 carbon atoms except for a tetravalent perylene group, X1 and X2 each independently represent a nitrogen atom or a substituted or unsubstituted carbon atom, Y1 and Y2 each independently represent an oxygen atom, a sulfur atom, a selenium atom, or NH, and R1 and R2 each independently represent a hydrogen atom or a monovalent organic group:
Abstract:
An electrophotographic photoreceptor includes a single layer type photosensitive layer which includes a binder resin, a charge generating material, a hole transport material, a first electron transport material represented by the formula (1), and a second electron transport material represented by the formula (2), wherein X1 represents an oxygen atom or ═C(CN)2; R11 to R17 independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group, or an aralkyl group; and R18 represents an alkyl group, -L111-O—R112, an aryl group, or an aralkyl group; provided that L111 represents an alkylene group, and R112 represents an alkyl group, wherein X2 represents an oxygen atom or ═C(CN)2; R21 to R27 independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or an aralkyl group; and R28 represents an alkylene group having 4 to 20 carbon atoms or the like.
Abstract translation:电子照相感光体包括单层型感光层,其包含粘合剂树脂,电荷产生材料,空穴传输材料,由式(1)表示的第一电子传输材料和由式(1)表示的第二电子传输材料 2),其中X1表示氧原子或= C(CN)2; R 11〜R 17分别独立地表示氢原子,卤素原子,烷基,烷氧基,芳基或芳烷基。 R18表示烷基,-L111-O-R112,芳基或芳烷基; 条件是L111表示亚烷基,R112表示烷基,其中X2表示氧原子或= C(CN)2; R 21〜R 27分别独立地表示氢原子,卤素原子,烷基,烷氧基,芳基或芳烷基。 R28表示碳原子数为4〜20的亚烷基等。
Abstract:
An electrophotographic photoreceptor includes a conductive substrate; a single-layer photosensitive layer that is provided on the conductive substrate and includes a binder resin, a charge generation material, a hole transport material, and an electron transport material, wherein a half decay exposure during positive charging is less than or equal to 0.18 μJ/cm2, and a half decay exposure during negative charging is 2 to 12 times the half decay exposure during positive charging.
Abstract translation:电子照相感光体包括导电性基板; 设置在导电性基板上的包含粘合剂树脂,电荷产生材料,空穴传输材料和电子传输材料的单层感光层,其中正电荷期间的半衰期曝光小于或等于0.18 μJ/ cm 2,负电荷期间的半衰期曝光是正电荷期间的半衰期曝光的2〜12倍。
Abstract:
An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer, and a photosensitive layer. The undercoating layer that is provided on the conductive substrate and includes a binder resin and a charge transporting material. The binder resin includes a resin obtained by polymerizing a diallyl phthalate compound. The photosensitive layer that is provided on the undercoating layer.
Abstract:
An electrophotographic photoreceptor includes a conductive substrate; a photosensitive layer provided on the conductive substrate; and an undercoating layer that is provided between the conductive substrate and the photosensitive layer and includes a charge transport material containing at least one of imide compounds represented by Formula (1) or (2): (in Formulas (1) and (2), R10, R11, R20, or R21 independently represents a group represented by Formula (3) or (4) where X represents a monovalent organic group having at least one of an alkyl group, an alkylene group, an ether group, an ester group, and a keto group, a halogen atom, a nitro group, an aralkyl group, or an aryl group, Y represents a sulfur atom or an oxygen atom, n represents an integer of 0 to 2, and when n represents 2, two X's may be the same or different), and an imide compound is represented by Formula (1A) where Ar represents an aromatic group having 6 to 18 carbon atoms except for a tetravalent perylene group, X1 and X2 each independently represent a nitrogen atom or a substituted or unsubstituted carbon atom, Y1 and Y2 each independently represent an oxygen atom, a sulfur atom, a selenium atom, or NH, and R1 and R2 each independently represent a hydrogen atom or a monovalent organic group:
Abstract:
An electrophotographic photoreceptor includes a conductive substrate including an outer peripheral surface treated with a silazane; and a photosensitive layer on the outer peripheral surface of the conductive substrate. The photosensitive layer includes a charge generating material and a charge transporting material.
Abstract:
An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer on the conductive substrate. The electrophotographic photoreceptor has an outermost surface layer that contains fluorine-containing resin particles and an antioxidant. The fluorine-containing resin particles contain 0 or more and 30 or less carboxy groups per 106 carbon atoms. A decrease in weight of the antioxidant when heated at 150° C. for 10 minutes in an air atmosphere is 40 mass % or less.