摘要:
The present invention provides an image forming apparatus including: an electrophotographic photoreceptor; a charging unit; an electrostatic latent image forming unit that forms an electrostatic latent image; a developing unit that develops the electrostatic latent image formed at the electrophotographic photoreceptor by a developer to form a toner image, the developing unit storing the developer containing a toner having toner particles containing a crystalline resin and having a shape factor SF1 of from 100 to 150, a volume average particle diameter of from 3 to 6 μm, and fluorocarbon-based resin particles as an external additive; a transfer unit; and a cleaning unit that cleans the surface of the electrophotographic photoreceptor with a blade containing urethane rubber, the blade disposed applying a pressure to the electrophotographic photoreceptor surface of 0.20 mN/mm or more.
摘要:
To provide an electrophotographic photoreceptor including the outermost surface layer formed from a cured film of a composition containing a compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule and a chain transfer agent having a sulfur atom in a molecule, in which the reaction rate of the compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule is about 90% to about 100% and the charge mobility of the cured film at an electric field intensity of 1.0×105 v/cm is from about 5.0×10−7 cm2/Vs to about 1.0×10−4 cm2/Vs.
摘要翻译:为了提供一种电子照相感光体,其包括由分子中含有具有链可聚合官能团和电荷输送性骨架的化合物和分子中具有硫原子的链转移剂的组合物的固化膜形成的最表面层,其中, 分子中具有链可聚合官能团和电荷输送性骨架的化合物的反应速率为约90%〜约100%,电场强度为1.0×105v / cm的固化膜的电荷迁移率为 约5.0×10 -7 cm 2 / Vs至约1.0×10 -4 cm 2 / Vs。
摘要:
Provided is a thiol group-containing charge transporting material represented by the following general formula (1): F-[(G)a1-(X)a2—Y—SH]b (1) wherein F represents an organic group derived from a charge transporting compound, G represents a divalent organic group having 1 to 5 carbon atoms, X represents a group selected from a —CO—O— group, an —O—CO— group, and an —O— group, Y represents a divalent organic group having 1 to 5 carbon atoms, a1 and a2 each independently represent 0 or 1, and b represents an integer of 1 or more and 6 or less.
摘要:
Provided is a reactive compound represented by the following General Formula (I): wherein in General Formula (I), F represents a charge transporting skeleton, D represents a group represented by the following General Formula (III), and m represents an integer of from 1 to 8: wherein in General Formula (III), L1 represents a divalent linking group including one or more —C(═O)—O— groups.
摘要:
Provided is an electrophotographic photoreceptor including: a functional layer containing: a polymer of a first compound having a chain polymerizable functional group and a charge transporting skeleton in one molecule, and at least one second compound selected from a compound including at least one kind of the repeating unit represented by formula (AA) and having a weight average molecular weight of 10000 or less, a compound including at least one kind of the repeating unit represented by formula (BB) and having a weight average molecular weight of 10000 or less, a phthalic ester, a trimellitic ester, a fatty acid ester, a polyhydric alcohol ester, and a polyhydric alcohol ether.
摘要:
An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer provided on the conductive substrate, and an outermost surface layer of the electrophotographic photoreceptor includes a cured film of a composition containing a charge transporting material having a chain polymerizable functional group and at least one selected from a nitroso compound, a nitrone compound or a nitro compound.
摘要:
The invention provides an electrophotographic photoreceptor having comprising at least an electrically conductive substrate and a photo-sensitive layer provided on the conductive substrate, the outermost layer is being a cured film of comprising a composition containing at least one compound (a) having a triphenylamine structure and four or more methacryloyl groups in one and the same molecule.
摘要:
The present invention provides an image forming apparatus including: an electrophotographic photoreceptor; a charging unit; an electrostatic latent image forming unit that forms an electrostatic latent image; a developing unit that develops the electrostatic latent image formed at the electrophotographic photoreceptor by a developer to form a toner image, the developing unit storing the developer containing a toner having toner particles containing a crystalline resin and having a shape factor SF1 of from 100 to 150, a volume average particle diameter of from 3 to 6 μm, and fluorocarbon-based resin particles as an external additive; a transfer unit; and a cleaning unit that cleans the surface of the electrophotographic photoreceptor with a blade containing urethane rubber, the blade disposed applying a pressure to the electrophotographic photoreceptor surface of 0.20 mN/mm or more.
摘要:
The present invention provides an electrophotographic photoreceptor including at least an electroconductive substrate and a photosensitive layer provided on or above the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor is a layer composed of a cured film of a composition including at least one of compound having a chain-polymerizable functional group and a charge-transportable backbone in the molecule thereof, a polymerization initiator and a radical deactivator.
摘要:
An electrophotographic photoreceptor comprising: a conductive substrate; a photosensitive layer formed on the conductive substrate; and an outermost surface layer that is a layer made of a cured material of a composition including at least one compound represented by the following formula (I) and at least one compound having charge transportability and an azo group: wherein in formula (I), F represents an n-valent organic group having a hole transporting property, R represents a hydrogen atom or an alkyl group, L represents a divalent organic group, n represents an integer of 1 or more, and j represents 0 or 1.