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1. 发明专利

JP2014038139A Electrophotographic photoreceptor, process cartridge, and image forming apparatus 有权
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2014038139A
公开(公告)日：2014-02-27
申请号：JP2012179076
申请日：2012-08-10
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMAMOTO SHINYA
IPC分类号： G03G5/147 , G03G5/05 , G03G5/10
CPC分类号： G03G5/0436 , G03G5/0539 , G03G5/0546 , G03G5/0592 , G03G5/0614 , G03G5/064 , G03G5/075 , G03G5/102 , G03G5/14791 , G03G15/75
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses a layer formed on a conductive substrate from being peeled off from the conductive substrate.SOLUTION: An electrophotographic photoreceptor includes a cylindrical conductive substrate 4 that has a thickness of 0.4 mm or more and 0.6 mm or less and the Young's modulus of 20 GPa or more and 80 GPa or less, and photosensitive layers provided on the conductive substrate; and the elastic deformation rate of an outermost surface layer (for example, surface protective layer 5) is 0.35 or more and 0.47 or less.
摘要翻译：要解决的问题：提供一种电子照相感光体，其抑制形成在导电性基材上的层从导电性基材剥离。溶液：电子照相感光体包括厚度为0.4mm以上且0.6以下的圆筒形导电性基材4 mm以下，杨氏模量为20GPa以上且80GPa以下，感光层设置在导电性基板上; 并且最外表面层（例如表面保护层5）的弹性变形率为0.35以上且0.47以下。

2. 发明专利

JP2013200528A Electrophotographic photoreceptor, process cartridge, and image forming apparatus 审中-公开
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2013200528A
公开(公告)日：2013-10-03
申请号：JP2012070222
申请日：2012-03-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMAMOTO SHINYA
IPC分类号： G03G5/14 , G03G5/047
CPC分类号： G03G5/144 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses image deletion, and suppresses an increase in residual potential.SOLUTION: A negative-charging type electrophotographic photoreceptor includes: a conductive substrate 4; an undercoat layer 1 that is provided on the conductive substrate 4 and includes metal oxide particles, and has a work function of 4.0 eV or more and 4.7 eV or less; a charge generating layer 2 that is provided on the undercoat layer 1, and has a difference in work function from the undercoat layer 1 (work function of charge generating layer-work function of undercoat layer) of -4 eV or more and 0 eV or less; and a charge transport layer 3 that is provided on the charge generating layer 2.
摘要翻译：要解决的问题：提供抑制图像缺失并抑制残留电位增加的电子照相感光体。解决方案：负电荷型电子照相感光体包括：导电基板4; 底涂层1，其设置在导电性基板4上并且包括金属氧化物颗粒，并且具有4.0eV以上且4.7eV以下的功函数; 设置在底涂层1上并且具有-4eV以上且0eV以下的作用功能与底涂层1（底涂层的电荷产生层功功能的功函数）不同的电荷产生层2或减; 以及设置在电荷产生层2上的电荷传输层3。

3. 发明专利

JP2013088485A Electrophotographic photoreceptor, image forming apparatus and process cartridge 有权
标题翻译：电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2013088485A
公开(公告)日：2013-05-13
申请号：JP2011226193
申请日：2011-10-13
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMANO YUKO , IWASAKI MASAHIRO , YAMAMOTO SHINYA
IPC分类号： G03G5/07 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor suppressing accumulation of residual potential even when charging and destaticizing are repeated, and forming an image with superior graininess.SOLUTION: The electrophotographic photoreceptor has a photosensitive layer, in which a layer constituting the outermost surface of the photosensitive layer comprises: a crosslinked product of at least one compound selected from a guanamine compound and a melamine compound with a charge transporting material having at least one substituent selected from -OH, -OCH, -NH, -SH and -COOH; fluorocarbon resin particles; an oligomer of carboxylic acids having a CFgroup as a terminal group; and a residual solvent including an alcohol solvent. When the alcohol solvent comprises an alcohol solvent having 3 or less carbon atoms, the content of the alcohol solvent is 0.1 mass% or more and 20 mass% or less with respect to the whole residual solvent; and when the alcohol solvent comprises an alcohol solvent having 4 or more carbon atoms, the content of the alcohol solvent is 0.1 mass% or more and 60 mass% or less. The content of the charge transporting material in the layer constituting the outermost surface is 85 mass% or more.
摘要翻译：要解决的问题：即使重复进行充电和去静电，也能够提供抑制残留电位累积的电子照相感光体，形成具有优异颗粒性的图像。电子照相感光体具有感光层，其中构成感光层最外表面的层包含：至少一种选自胍胺化合物和三聚氰胺化合物的化合物与电荷输送材料的交联产物，至少一个选自-OH，-OCH 3，-SH和-COOH的取代基; 碳氟树脂颗粒; 具有CF 3 基团的羧酸的低聚物作为末端基团; 和包含醇溶剂的残留溶剂。当醇溶剂包含具有3个或更少碳原子的醇溶剂时，醇溶剂的含量相对于全部残留溶剂为0.1质量％以上至20质量％以下。当醇溶剂包含具有4个或更多个碳原子的醇溶剂时，醇溶剂的含量为0.1质量％以上至60质量％以下。构成最表面的层中的电荷输送材料的含量为85质量％以上。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012163863A Image forming apparatus and process cartridge 审中-公开
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2012163863A
公开(公告)日：2012-08-30
申请号：JP2011025451
申请日：2011-02-08
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ONO KEIKO , YAMAMOTO SHINYA , HASHIBA SHIGETO , KOSEKI KAZUHIRO , SUGIURA AKIYA , IDE KENTA , KANO TOMIYUKI
IPC分类号： G03G5/047 , G03G5/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus employing a contact charging system in which a photoreceptor is charged by applying only a DC voltage to a charging roll, the image forming apparatus suppressing generation of a stripe in an axial direction of the photoreceptor in an image when a toner image is formed by the apparatus.SOLUTION: An image forming apparatus 100 includes: an electrophotographic photoreceptor 31 having a charge transporting layer having a charge mobility of 8.0×10cm/Vs or more in an electric field intensity of 30 V/μm; charging means including a charging roll 32 that rotates while being in contact with the surface of the photoreceptor and has a surface roughness of 8 μm or more and 20 μm or less, in which only a DC voltage is applied to the charging roll to charge the surface of the photoreceptor; electrostatic latent image forming means 26 exposing the surface of the charged photoreceptor to form an electrostatic latent image; developing means 33 developing the electrostatic latent image formed on the surface of the photoreceptor with a developer containing a toner to form a toner image; and transfer means 40 transferring the toner image formed on the surface of the photoreceptor onto a recording medium.
摘要翻译：解决的问题：为了提供一种图像形成装置，其使用通过仅对直流电压施加直流电压来对感光体进行充电的接触充电系统，该图像形成装置抑制沿轴向的条纹的产生当由该设备形成调色剂图像时图像中的感光体。解决方案：图像形成装置100包括：具有电荷迁移率为8.0×10 / cm 2的电荷输送层的电子照相感光体31 2 / Vs以上的电场强度为30V /μm; 充电装置包括充电辊32，该充电辊32在与感光体的表面接触的同时转动，并且具有8μm以上且20μm以下的表面粗糙度，其中仅对充电辊施加直流电压以对充电辊充电感光体的表面; 静电潜像形成装置26使带电感光体的表面露出，形成静电潜像; 显影装置33，用含有调色剂的显影剂显影在感光体的表面上形成的静电潜像，以形成调色剂图像; 以及转印装置40将形成在感光体表面上的调色剂图像转印到记录介质上。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012073353A Electrophotographic photoreceptor, process cartridge and image forming apparatus 审中-公开
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2012073353A
公开(公告)日：2012-04-12
申请号：JP2010217318
申请日：2010-09-28
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMAMOTO SHINYA
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which suppresses fogging even when being used for an image forming apparatus having a contact charging type charging device.SOLUTION: In the electrophotographic photoreceptor which includes at least a conductive substrate, an under coating layer and a charge generating layer, the under coating layer contains metal oxide particles, and when the impedance of the under coating layer is measured by an AC voltage in a range from 1 MHz to 1 mHz, the maximum point of a phase difference θ of the impedance is within a range of a frequency from 10 mHz or more to 150 mHz or less.
摘要翻译：要解决的问题：提供即使在用于具有接触充电型充电装置的图像形成装置时也抑制起雾的电子照相感光体。解决方案：在至少包括导电基底，底涂层和电荷产生层的电子照相感光体中，底涂层含有金属氧化物颗粒，并且当下涂层的阻抗通过AC 电压在1MHz至1mHz的范围内，阻抗的相位差θ的最大点在10mHz以上至150mHz以下的频率的范围内。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011186308A Image forming apparatus and process cartridge 审中-公开
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2011186308A
公开(公告)日：2011-09-22
申请号：JP2010053177
申请日：2010-03-10
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MIURA MASARU , YAMAMOTO SHINYA
IPC分类号： G03G21/10 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus, wherein the degradation in electrostatic chargeability of a toner and the spread of the distribution of electrostatic chargeability thereof are prevented, both being caused by removing a toner remaining on an image holding body with a cleaning blade; and to provide a process cartridge. SOLUTION: The image forming apparatus 101 includes: an electrophotographic photoreceptor 10 having an outermost surface layer containing first fluorinated resin particles; a charger 20; an exposure device 30; a developing device 40; transfer devices (an intermediate transfer device 50, an primary transfer device 51 and a secondary transfer device 52); a cleaning device 70 for removing a toner remaining on a surface of the electrophotographic photoreceptor 10 by using the cleaning blade 72 having the outermost surface layer containing second fluorinated resin particles; and a supply transfer tube 74 for transferring the toner removed by the cleaning device 70 to the developing device 40. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其中防止调色剂的静电充电性的劣化和其静电电荷分布的扩展，这两者都是通过去除残留在图像保持体上的调色剂而引起的用清洁刀片; 并提供处理盒。图像形成装置101包括：具有包含第一氟化树脂颗粒的最外表面层的电子照相感光体10; 充电器20; 曝光装置30; 显影装置40; 转印装置（中间转印装置50，一次转印装置51和二次转印装置52）。清洁装置70，用于通过使用具有包含第二氟化树脂颗粒的最外表面层的清洁刮板72来除去残留在电子照相感光体10的表面上的调色剂; 以及用于将由清洁装置70除去的调色剂转印到显影装置40的供给传送管74.版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2011081073A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011081073A
公开(公告)日：2011-04-21
申请号：JP2009231509
申请日：2009-10-05
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NANBA HARUYUKI , YAMAMOTO SHINYA
IPC分类号： G03G15/16 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus achieving both of suppressing chain-like voids and suppressing dirt on the end face of a recording medium, compared to a configuration that uses neither the image holder nor the transfer device.
SOLUTION: The image forming apparatus is configured to control the voltage dependence of resistance in a transfer device 20 on a transfer voltage to not more than 2.2 and to incorporate metal oxide particles into the undercoat layer 62 of an image holder 12.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：与不使用图像保持器和转印装置的构造相比，提供一种既能够抑制链状空隙又抑制记录介质的端面上的污物的图像形成装置。解决方案：图像形成装置被配置为将转印装置20中的电阻的电压依赖于转印电压控制在不大于2.2，并将金属氧化物颗粒结合到图像保持器12的底涂层62中。 P>版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2011022425A Electrophotographic photoreceptor, process cartridge, and image forming apparatus 审中-公开
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2011022425A
公开(公告)日：2011-02-03
申请号：JP2009168308
申请日：2009-07-16
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMAMOTO SHINYA
IPC分类号： G03G5/047
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor in which the generation of an image defect caused by friction is suppressed while improving its durability compared with the case where the average density of a charge transport material in the surface region from the surface on the side far from a conductive support body to the inside of 1 μm in a charge transport layer is not 0.3 times or more nor 0.6 times or less the average density of the charge transport material in the whole charge transport layer.
SOLUTION: The electrophotographic photoreceptor includes: a conductive support body; and, in order from the side close to the conductive support body, a charge generation layer and a single charge transport layer containing a charge transport material, the film thickness of the charge transport layer is ≥38 μm, and, in the charge transport layer, the average density of the charge transport material in a region from the surface on the side far from the conductive support body to the inside of 1 μm is 0.3 to 0.6 times the average density of the charge transport material in the whole of the charge transport layer.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其中与其中表面区域中的电荷输送材料的表面的平均密度相比，耐摩擦力的产生被抑制，同时改善其耐久性在电荷输送层中远离导电性支撑体至1μm的内侧的电荷转移层的电荷传输层的整个电荷输送层的电荷输送材料的平均密度不是0.3倍以上且0.6倍以下。电解质感光体包括：导电性支撑体; 并且从靠近导电支撑体的一侧开始，电荷产生层和含有电荷输送材料的单个电荷输送层，电荷输送层的膜厚度≥38μm，并且在电荷输送层从远离导电性支持体的一侧的表面到内部的区域中的电荷输送材料的平均密度为1μm，为整个电荷输送时的电荷输送材料的平均密度的0.3〜0.6倍层。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010197853A Image forming device and process cartridge 有权
标题翻译：图像形成装置和过程盒
公开(公告)号：JP2010197853A
公开(公告)日：2010-09-09
申请号：JP2009044369
申请日：2009-02-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMAMOTO SHINYA
IPC分类号： G03G5/05 , G03G5/147 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming device and a process cartridge with which uneven wear of the surface of an image carrier is suppressed and dirt due to adhesion of a toner external adding agent is suppressed, compared to a case of not applying fluorine resin particles with a specific particle size relation to toner and the image carrier. SOLUTION: The outermost surface layer of the image carrier contains first fluorine resin particles, and the toner contains toner particles and second fluorine resin particles. Where the volume average primary particle diameter of the first fluorine resin particles is D1 and the volume average primary particle diameter of the second fluorine resin particles is D2, a relation indicated by formula (1): (D1×0.95)≤D2≤(D1×1.05) is satisfied. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置和处理盒，其中抑制了图像载体的表面的不均匀磨损，并且抑制了由于调色剂外部添加剂的粘附而引起的污染，与不施加与调色剂和图像载体具有特定粒度关系的氟树脂颗粒。解决方案：图像载体的最外表面层含有第一氟树脂颗粒，调色剂含有调色剂颗粒和第二氟树脂颗粒。在第一氟树脂粒子的体积平均一次粒径为D1，第二氟树脂粒子的体积平均一次粒径为D2的情况下，式（1）表示的关系：（D1×0.95）≤D2≤（D1 ×1.05）。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2008015250A Image forming apparatus and process cartridge 审中-公开
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2008015250A
公开(公告)日：2008-01-24
申请号：JP2006186664
申请日：2006-07-06
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NISHIMURA AKIRA , FUJITA NAOTOSHI , YAMAMOTO SHINYA
IPC分类号： G03G15/16 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of restraining degradation in the ability to transfer a toner image formed on a photoreceptor to a recording medium, and to provide a process cartridge. SOLUTION: The resistance value of a recording medium P to be subject to image formation is measured. Then, the value of a voltage applied to a transfer roll 20 is adjusted based on the measured resistance value so that an electric field of a predetermined level is generated on an opposite area 32 in order to transfer a toner image on the photoreceptor 12 to the recording medium P. COPYRIGHT: (C)2008,JPO&INPIT

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