摘要:
An electrostatic latent image bearer, comprising a substrate; a photosensitive layer overlying the substrate; and a protective layer overlying the photosensitive layer, wherein the protective layer includes a binder resin comprising a polyol, a polyisocyanate and an organic silicon compound having a hydroxyl or a hydrolyzable group.
摘要:
An electrostatic latent image bearer, comprising a substrate; a photosensitive layer overlying the substrate; and a protective layer overlying the photosensitive layer, wherein the protective layer includes a binder resin comprising a polyol, a polyisocyanate and an organic silicon compound having a hydroxyl or a hydrolyzable group.
摘要:
The present invention relates to an electrophotographic photoconductor comprising a photoconductive layer, a protective layer, and a conductive support, wherein the protective layer is disposed as the outermost layer of the photoconductive layer, and 20% by volume to 60% by volume of fine particles of fluorine-contained resin and at least one compound selected from amine aromatic compounds and hydroxy aromatic compounds are incorporated into the protective layer. According to the present invention, high durability may be achieved, image degradation such as lags may be controlled from the increase of residual potential and decrease of charging, and high quality images may be formed stably even after the prolonged and repeated usage. The present invention also relates to an electrophotographic process, an electrophotographic apparatus and a process cartridge for the electrophotographic apparatus which utilize the electrophotographic photoconductor respectively.
摘要:
The present invention relates to an electrophotographic photoconductor comprising a photoconductive layer, a protective layer, and a conductive support, wherein the protective layer is disposed as the outermost layer of the photoconductive layer, and 20% by volume to 60% by volume of fine particles of fluorine-contained resin and at least one compound selected from amine aromatic compounds and hydroxy aromatic compounds are incorporated into the protective layer.According to the present invention, high durability may be achieved, image degradation such as lags may be controlled from the increase of residual potential and decrease of charging, and high quality images may be formed stably even after the prolonged and repeated usage.The present invention also relates to an electrophotographic process, an electrophotographic apparatus and a process cartridge for the electrophotographic apparatus which utilize the electrophotographic photoconductor respectively.
摘要:
An image forming apparatus containing an image bearing member to bear a latent electrostatic image, a charging device to irradiate the image bearing member with light, a developing device to develop the latent electrostatic image on the image bearing member with a toner, a cleaning device having a cleaning blade to remove toner particles remaining on the image bearing member, and a transfer device to transfer the toner image formed on the image bearing member to a recording material. The image forming apparatus satisfies the following relationships (1) and (2): (1) 0.10
摘要翻译:一种图像形成装置,包括承载静电潜像的图像承载部件,用光照射图像承载部件的充电装置,利用调色剂在图像承载部件上显影静电潜像的显影装置,具有 用于去除残留在图像承载部件上的调色剂颗粒的清洁刮板以及将形成在图像承载部件上的调色剂图像转印到记录材料上的转印装置。 图像形成装置满足以下关系式(1)和(2):(1)0.10 <或= DM 3 / V 3或3.41,其中D m表示调色剂的重均粒径 V表示图像承载部件的圆周速度; 和(2)T at a / a = 1.40kgf.cm,其中T a a表示当测量转矩为15时图像承载部件的扭矩T的平均值 而清洁刮板与图像承载部件接触。
摘要:
Disclosed is an image forming apparatus for lowering friction coefficient and lowering surface energy of photoconductor surface in particular, which comprises an electrophotographic photoconductor, charging unit, light exposure unit, developing unit, transferring unit, and fixing unit, the electrophotographic photoconductor comprises a photosensitive layer on a conductive support and fluoropolymer fine particles at the outermost layer, a part of the fluoropolymer fine particles are exposed above the surface of the outermost layer in configurations of primary particles and secondary particles formed by flocculation of plural primary particles, and sum of area ratios of particles in the configurations of the primary particles and the secondary particles, each particles having an average diameter D of 0.15 μm≦D≦3.0 μm as respective projected figures of exposed portion above the surface of the outermost layer, is 10% to 60% based on the entire surface area of the outermost layer, and wherein the binder resin in the outermost layer comprises a polyalylate copolymer resin having a structural unit of alkylene-aryldicarboxylate.
摘要:
An electrostatic latent image bearing member is provided including a substrate and a photosensitive layer located overlying the substrate, wherein the outermost layer of the electrostatic latent image bearing member includes a cross-linked resin formed from a cross-linking reaction between a charge transport polyol having a specific formula and an isocyanate compound; and the use of the electrostatic latent image bearing member in an image forming apparatus, a process cartridge, and an image forming method.
摘要:
An image forming apparatus including an image bearing member to bear a latent electrostatic image, an irradiation device and developing device to develop a toner latent electrostatic image on the image bearing member, a cleaning blade to remove toner particles remaining on the image bearing member, and a transfer device to transfer the toner image formed on the image bearing member to a recording material. The image forming apparatus satisfies relationships (1) and (2): (1) 0.10
摘要翻译:一种图像形成装置,包括承载静电潜像的图像承载部件,照射装置和显影装置,用于在图像承载部件上显影调色剂静电潜像,清洁刮板以除去残留在图像承载部件上的调色剂颗粒,以及 转印装置,用于将形成在图像承载部件上的调色剂图像转印到记录材料上。 图像形成装置满足关系式(1)和(2):(1)0.10 <或= DM 3 / V 3或3.41,其中D m表示调色剂的重均粒径,V 表示图像承载部件的圆周速度; 和(2)T at a / a = 1.40kgf.cm,其中T a a表示当测量转矩为15时图像承载部件的扭矩T的平均值 而清洁刮板与图像承载部件接触。
摘要:
An electrostatic latent image bearing member is provided including a substrate and a photosensitive layer located overlying the substrate, wherein the outermost layer of the electrostatic latent image bearing member includes a cross-linked resin formed from a cross-linking reaction between a charge transport polyol having a specific formula and an isocyanate compound; and the use of the electrostatic latent image bearing member in an image forming apparatus, a process cartridge, and an image forming method.
摘要:
An electrostatic latent image bearer, including a substrate and a photosensitive layer located overlying the substrate, wherein an outermost layer of the electrostatic latent image bearer includes a binder resin and an electroconductive particulate material, wherein the electroconductive particulate material has the following formula: MxSbyOz wherein M represents a metallic element; and x, y and z represent molar ratios for respective elements.