摘要:
An electrophotographic photoconductor having at least a photoconductive layer on an electrically conductive support, in which a surface layer of the photoconductive layer can be obtained by curing at least a free-radical-polymerizable monomer having no charge transporting structure, represented by general formula (A) and a one-functional free-radical-polymerizable compound having a charge transporting structure, wherein R71, R72, R73, R74, R75, and R76 are described in the specification.
摘要:
Disclosed is an electrophotographic photoconductor including at least a photoconductive layer on an electroconductive substrate, which comprises at least a cross-linked surface layer formed by curing a tri- or more-functional radical polymerizable monomer without having a charge transporting structure and a mono-functional radical polymerizable compound having a charge transporting structure wherein the cross-linked surface layer has a surface roughness Rz of 1.3 μm or less.
摘要:
A photoconductor comprising a photosensitive layer disposed on an support, wherein the photosensitive layer has at least a crosslinked layer and the crosslinked layer is produced by curing at least a radical polymerizable monomer having three or more functionalities and no charge transport structure and a radical polymerizable compound having a charge transport structure through irradiating a light energy in an atmosphere having a low oxygen concentration of 0.001 vol % to 2.0 vol %.
摘要:
A photoconductor is disclosed that exhibits superior wear resistance, excellent flaw resistance, and appropriate electric properties owing to a photosensitive layer having a crosslinked layer with superior smoothness and higher crosslink density, wherein the photoconductor comprises a support, and a photosensitive layer disposed on the support, the photosensitive layer comprises a crosslinked layer, the crosslinked layer comprises a radical polymerizable monomer having three or more functionalities and no charge transport structure and a radical polymerizable compound having one functionality and a charge transport structure, and the crosslinked layer is cured by way of photopolymerization and thermal polymerization.
摘要:
An electrophotographic photoconductor having at least a photoconductive layer on an electrically conductive support, in which a surface layer of the photoconductive layer can be obtained by curing at least a free-radical-polymerizable monomer having no electron transporting structure, represented by general formula (A) and a one-functional free-radical-polymerizable compound having an electron transporting structure, wherein R71, R72, R73, R74, R75, and R76 are described in the specification.
摘要:
An image formation apparatus including at least a moving body to be charged, a charging device for charging the body to be charged using discharge caused by applying a voltage to a charging member provided in contact with or proximity to the body to be charged, a latent image formation device for forming a latent image on a surface of the body to be charged which is charged by the charging device, and a development device for depositing toner on an image portion of the latent image formed by the latent image formation device, wherein an elastic displacement ratio τe for the surface of the body to be charged is equal to or greater than 40% which is defined by the following formula, elastic displacement ratio τe (%)=[(maximum displacement)-(plastic displacement)]/(maximum displacement)×100, and the image formation apparatus further includes a protective material feeding device for depositing a protective material on at least a discharge area of the surface of the body to be charged.
摘要:
An image formation apparatus comprising at least a moving body to be charged, a charging device for charging the body to be charged using discharge caused by applying a voltage to a charging member provided in contact with or proximity to the body to be charged, a latent image formation device for forming a latent image on a surface of the body to be charged which is charged by the charging device, and a development device for depositing toner on an image portion of the latent image formed by the latent image formation device, wherein an elastic displacement ratio τe for the surface of the body to be charged is equal to or greater than 40% which is defined by the following formula, elastic displacement ratio τe(%)=[(maximum displacement)−(plastic displacement)]/(maximum displacement)×100, and the image formation apparatus further comprises a protective material feeding device for depositing a protective material on at least a discharge area of the surface of the body to be charged.
摘要:
The present invention provides an electrophotographic photoconductor which contains a substrate, at least a photosensitive layer and a surface layer being formed on the substrate in this order; the surface layer contains a cured material which is cured by irradiating with light a trifunctional or more radical polymerizable monomer having no electric charge transportable structure, a radical polymerizable monomer having an electric charge transportable structure, and a photo-radical polymerization initiator; the photo-radical polymerization initiator contains a titanocene derivative; and the relation between the absorption edge wavelength HA (nm) in the light absorption spectrum of the radical polymerization initiator and the absorption edge wavelength HB (nm) in the light absorption spectrum of the radical polymerizable monomer having an electric charge transportable structure is represented by HA>HB and satisfies HA−HB>40 nm.
摘要:
An electrophotographic photoreceptor is provided including an electroconductive substrate; a photosensitive layer located overlying the electroconductive substrate; and an outermost layer located overlying the photosensitive layer, wherein the outermost layer is formed by a reaction between a radical polymerizable compound having no charge transport structure including a compound having a specific formula, and a radical polymerizable compound having a charge transport structure, while applying heat, light, or ionizing radiation to the reaction, and wherein at least one of the photosensitive layer and the outermost layer includes at least an arylmethane compound having an alkylamino group or a compound having a specific formula.
摘要:
Provided is a photoconductor including a conductive support, an intermediate layer containing metal oxide particles, and a photoconductive layer. The intermediate layer and the photoconductive layer are provided over the conductive support in the order of reciting. An elastic power (We/Wt value) of the intermediate layer is greater than or equal to 20.0% but less than 35.0%. A Martens hardness (HM) of the intermediate layer is greater than or equal to 350 [N/mm2] but less than 450 [N/mm2].