摘要:
An electrophotographic photoconductor includes a conductive substrate and an outermost surface layer formed on the conductive substrate and containing a binder resin and a copolymer derived from a reactive monomer having charge transport property and a reactive monomer having no charge transport property, the copolymer having a side chain with 4 or more carbon atoms in a constitutional unit derived from the reactive monomer having no charge transport property.
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:
A charge-transporting film includes a polymer of a compound represented by Formula (I): (Ra)n-Fa-Xa-Fa′-(Ra′)n′ (I) wherein Fa and Fa′ independently represent a charge-transporting sub-unit including an aromatic ring, Ra and Ra′ independently represent a —CH═CH2 directly bonded to the aromatic ring of the charge-transporting sub-unit or a group represented by Formula (a), Xa represents an alkylene group or a bivalent group in which an alkylene group and a group selected from —O—, —S—, and ester are combined, n and n′ independently represent an integer of 0 or more (wherein n and n′ are not simultaneously 0), and L represents a linking group which is represented by *—(CH2)n″—O—CH2— and which is bonded to the aromatic ring of the charge-transporting sub-unit, wherein n″ is 1 or 2 and the linking group is bonded to the aromatic, ring of the charge-transporting sub-unit with *.
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:
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:
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:
Provided is a composition for forming a charge transporting film, including a solvent having a dielectric constant of 5.0 or more, at least one kind of compound selected from a group consisting of the following compounds (I-a), (I-b), (I-c), and (I-d) and a compound represented by the following Formula (II), fluorine-containing resin particles, and a fluorine-containing dispersant, (I-a): a compound represented by the following Formula (III) (I-b): a compound represented by the following Formula (V) (I-c): a compound represented by the following Formula (V) (I-d): a compound represented by the following Formula (V)
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:
An electrophotographic photoconductor includes a conductive substrate and an outermost surface layer on the conductive substrate. The outermost surface layer contains a copolymer (a) derived from a reactive monomer having charge transport property and a reactive monomer having no charge transport property, and a polymer prepared by polymerizing, in the presence of the copolymer (a), a reactive monomer (b) that has a solubility parameter (SP value) different from a solubility parameter (SP value) of the reactive monomer having no charge transport property by about 2 (cal/cm3)1/2 or less.
摘要翻译:电子照相感光体包括导电衬底和导电衬底上的最外表面层。 最外表面层含有衍生自具有电荷传输性质的反应性单体和不具有电荷传输性质的反应性单体的共聚物(a)和通过在共聚物(a)的存在下,反应性单体( b)具有与不具有电荷输送性的反应性单体的溶解度参数(SP值)不同约2(cal / cm 3)1/2以下的溶解度参数(SP值)。
摘要:
An electrophotographic photoreceptor is disclosed, in which an outermost surface layer of the electrophotographic photoreceptor is made of a cured film of a composition including a compound represented by the following Formula (M1) and a charge transporting material having a chain polymerizable functional group: