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1. 发明专利

JP2011118054A Electrophotographic photoreceptor, process cartridge, image forming device and dispersion liquid 有权
标题翻译：电子照相机，过程盒，图像形成装置和分散液
公开(公告)号：JP2011118054A
公开(公告)日：2011-06-16
申请号：JP2009273760
申请日：2009-12-01
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , SHIBATA JUNICHI , SUZUKI TAKAHIRO , MIURA MASARU
IPC分类号： G03G5/05 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which excels in fine-line reproducibility.
SOLUTION: The electrophotographic photoreceptor has a photosensitive layer on a base material, and its surface layer includes a fluorine-based graft polymer and fluorine-containing resin particles; and the graft polymer contains two specific acryl (methacryl) structure units and has a 1-6C perfluoroalkyl group, wherein the fluorine content is at least 10 mass% and at most 40 mass%, the weight average molecular weight Mw is at least 50,000 and at most 200,000, and the ratio of the Mw to the number average molecular weight Mn [Mw/Mn] is at least 1 and at most 8.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供精细线再现性优异的电子照相感光体。电解光感光体在基材上具有感光层，其表面层包含氟基接枝聚合物和含氟树脂颗粒; 接枝聚合物含有两个特定的丙烯酰基（甲基丙烯酰基）结构单元，并且具有1-6C全氟烷基，其中氟含量为至少10质量％且至多40质量％，重均分子量Mw至少为50,000，至多200,000，并且Mw与数均分子量Mn（Mw / Mn）之比至少为1且至多为8.版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2009181030A Image forming device 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2009181030A
公开(公告)日：2009-08-13
申请号：JP2008021262
申请日：2008-01-31
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ISHIKAWA ISAMU , MIURA MASARU , TAKIMOTO HITOSHI , KAWASHIRI TETSUNAO , SUZUKI TAKAHIRO
IPC分类号： G03G5/047 , G03G5/06 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming device that suppresses surface potential variation after exposure in a photoreceptor surface even when uneven wear occurs on the photoreceptor surface.
SOLUTION: This image forming device comprises: a photoreceptor including a charge generating layer and charge transporting layer on a conductive substrate and containing chlorogallium phthalocyanine pigment having diffraction peaks at 7.4°, 16.6°, 25.5° and 28.3° in the charge generating layer; a charging means; an exposing means; a toner image forming means; and a transferring means for transferring a toner image from the photoreceptor surface to a transfer medium. The image forming device establishes expression (1) (0.005×V0+8.1)×0.9≤E≤(0.005×V0+8.1)×1.1. Here, in expression (1), E shows the amount (mJ/m
2 ) of exposure energy per unit area of the light radiated when the photoreceptor surface is exposed to form an electrostatic latent image. V0 shows surface potential (V) of the photoreceptor after charging and before exposure and has a value between -900 and -400 V.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，即使在感光体表面上发生不均匀的磨损，也能够抑制感光体表面中的曝光后的表面电位变化。该图像形成装置包括：感光体，其在导电性基板上具有电荷产生层和电荷输送层，并含有在电荷产生中具有7.4°，16.6°，25.5°和28.3°的衍射峰的氯镓酞菁颜料层; 充电方式; 暴露手段; 调色剂图像形成装置; 以及用于将调色剂图像从感光体表面转印到转印介质的转印装置。图像形成装置建立表达式（1）（0.005×V0 + 8.1）×0.9≤E≤（0.005×V0 + 8.1）×1.1。这里，在表达式（1）中，E表示当感光体表面曝光形成静电潜像时照射的光的每单位面积的曝光能量的量（mJ / m 2 ）。 V0表示充电后曝光前的感光体的表面电位（V），值在-900〜-400V之间。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009069678A 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：JP2009069678A
公开(公告)日：2009-04-02
申请号：JP2007239963
申请日：2007-09-14
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NISHIMURA AKIRA , MIURA MASARU , TAKEMOTO MAKOTO
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor, a process cartridge and an image forming apparatus suppressing increase in a residual voltage, suppressing an afterimage (ghost) phenomenon caused by remainder of previous history, and stably giving favorable picture quality for a long period of time. SOLUTION: The electrophotographic photoreceptor comprises a base layer 2 and a photosensitive layer 3 successively stacked on a conductive support body 1, wherein the base layer 2 is composed of two or more layers, and each of the two or more layers of the base layer 2 contains metal oxide particles. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种电子照相感光体，处理盒和抑制残留电压增加的图像形成装置，抑制由于以前历史的剩余部分引起的残像现象（幽灵）现象，并且稳定地给出有利的图像质量很长一段时间。解决方案：电子照相感光体包括依次堆叠在导电支撑体1上的基底层2和光敏层3，其中基底层2由两层或多层组成，并且两层或更多层基底层2含有金属氧化物颗粒。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2006184745A Electrophotographic photoreceptor, method for manufacturing the same, process cartridge, and electrophotographic apparatus 有权
标题翻译：电子照相机，其制造方法，工艺盒和电子照相设备
公开(公告)号：JP2006184745A
公开(公告)日：2006-07-13
申请号：JP2004380197
申请日：2004-12-28
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： TAKIMOTO HITOSHI , ASAHI TORU , NUKADA KATSUMI , MIURA MASARU , TAKAHASHI KOKI
IPC分类号： G03G5/147 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor capable of sufficiently suppressing occurrence of image defects such as density unevenness and fogging even when it is repeatedly used for a long period of time, a method for manufacturing the same, a process cartridge, and an electrophotographic apparatus. SOLUTION: The electrophotographic photoreceptor has a photosensitive layer formed on a conductive substrate, wherein the photosensitive layer has a surface layer containing fluorocarbon resin particles on a side remotest from the conductive substrate, wherein the fluorocarbon resin particles have a diffraction peak whose half-value width is ≤0.26 at a Bragg angle (2θ±0.2°) of at least 16-18° when irradiated with a characteristic X-ray of CuKα, and the proportion of particles whose particle diameter is ≤1 μm to the total number of the particles is ≥80%. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供即使长时间重复使用也能够充分抑制图像缺陷如浓度不均匀和起雾的电子照相感光体，其制造方法，处理盒和电子照相设备。解决方案：电子照相感光体具有形成在导电性基板上的感光层，其中感光层具有在与导电性基板最远的一侧含有氟碳树脂颗粒的表面层，其中氟碳树脂颗粒的衍射峰为半当用CuKα的特征X射线照射时，在布拉格角（2θ±0.2°）处，至少16-18°的值的宽度≤0.26，粒径≤1μm的粒子的比例与总数的颗粒≥80％。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2011059518A 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：JP2011059518A
公开(公告)日：2011-03-24
申请号：JP2009210796
申请日：2009-09-11
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： SAITO YOHEI , SUZUKI TAKAHIRO , MIURA MASARU
IPC分类号： G03G5/047 , G03G5/10 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor, configured to suppress reduction in the charging potential, even after chargings and dischargings are repeated.
SOLUTION: The photoelectric photoreceptor includes at least a conductive substrate, a charge generating layer having a film thickness of 0.10 μm or less, and a charge transport layer, in this order, and satisfies the inequality (1): 0(μC/m
2 )|Q1-Q2|10 (μC/m
2 ); and in the inequality, Q2 represents the value of charge (μC/m
2 ) at an X-intercept of Qb-Vb line, in a graph in which the relation of charge Qb imparted to surface and surface potential Vb in the photoelectric photoreceptor, after being subjected to a charge-discharge stress test of repeating charging and discharging a 10,000 times is plotted, and Q1 represents the value of charge (μC/m
2 ) at an X-intercept of Qa-Va line, in a graph in which the relation between charge Qa imparted to surface and surface potential Va in the electrophotographic photoreceptor before the charge-discharge stress test is plotted. According to the present invention, compared with a case in which |Q1-Q2| in expression (1) exceeds 10 μC/m
2 , reduction in the charged potential is suppressed, even after chargings and dischargings are repeated.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在重复充电和放电之后，提供一种电子照相感光体，其被配置为抑制充电电位的降低。解决方案：光电感光体依次包括至少导电衬底，膜厚度为0.10μm以下的电荷产生层和电荷传输层，并满足不等式（1）：0（μC / m 2 ）¾Q1-Q2¾10（μC/ m 2 ）; 在不等式中，Q2表示在表面和表面赋予的电荷Qb的关系的曲线图中，Qb-Vb线的X截距处的电荷值（μC/ m 2 ）绘制光电感光体中的电位Vb，进行1000次重复充放电的充放电应力试验后，Q1表示电荷值（μC/ m 2 ）绘制在充放电应力试验前的电子照相感光体中赋予表面的电荷Qa与表面电位Va的关系的曲线图中的Qa-Va线的X截距。根据本发明，与表达式（1）中的¾Q1-Q2¾超过10μC/ m·SP＆gt; 2 的情况相比，即使在重复充电和放电之后也能抑制充电电位的降低。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2006276272A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2006276272A
公开(公告)日：2006-10-12
申请号：JP2005092926
申请日：2005-03-28
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： TAKIMOTO HITOSHI , MIURA MASARU
IPC分类号： G03G21/10 , G03G5/05 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus in which paper dust of paper can be thoroughly removed from a photoreceptor surface, occurrence of image defects during long-term use can be suppressed, and scratching, wear, etc., of the photoreceptor can be suppressed.
SOLUTION: The image forming apparatus comprises: the photoreceptor 7 having an outermost surface layer containing a fluorine compound; a charging device 8 for charging the photoreceptor 7; an exposure device 10 for forming an electrostatic latent image on the photoreceptor 7; a developing device 11 for developing the electrostatic latent image to form a toner image; a transfer device 12 for transferring the toner image onto paper 20; and a cleaning device 13 for removing paper dust on the photoreceptor 7 surface with a cleaning member 13a containing a fluorine compound or having a surface coating layer containing a fluorine compound, wherein a cleaning member 13a surface has a higher fluorine atom content than the outermost surface layer and a triboelectric series of the outermost surface layer, the cleaning member 13a surface and the paper 20 is the order of the paper 20, the outermost surface layer and the cleaning member 13a surface from the plus side.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够从感光体表面彻底除去纸张的纸屑的图像形成装置，可以抑制长期使用中的图像缺陷的发生，划痕，磨损等，的感光体。解决方案：图像形成装置包括：感光体7，其具有包含氟化合物的最外表面层; 用于对感光体7充电的充电装置8; 用于在感光体7上形成静电潜像的曝光装置10; 用于显影静电潜像以形成调色剂图像的显影装置11; 用于将调色剂图像转印到纸20上的转印装置12; 以及清洁装置13，用于利用含有氟化合物的清洁部件13a或者具有含氟化合物的表面被覆层来除去感光体7表面上的纸屑，其中清洁部件13a表面的氟原子含量高于最外表面层和最外表面层的摩擦系列，清洁构件13a表面和纸20是从正面示出的纸20，最外表面层和清洁构件13a的顺序。版权所有（C）2007，JPO＆INPIT

7. 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

8. 发明专利

JP2010204136A 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：JP2010204136A
公开(公告)日：2010-09-16
申请号：JP2009046193
申请日：2009-02-27
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , MIURA MASARU , YAMAMOTO SHINYA , ISHIKAWA ISAMU , ESUMI TETSUYA
IPC分类号： G03G5/147
CPC分类号： G03G5/0539 , G03G5/0592
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which suppresses the rise of the residual potential and is excellent in durability, and to provide a process cartridge and an image forming apparatus using the electrophotographic photoreceptor.
SOLUTION: The electrophotographic photoreceptor has at least a photosensitive layer on a conductive substrate, wherein a layer located on the surface of the side where the photosensitive layer is disposed contains fluorine-containing resin particles and a fluorinated graft polymer having 1-7C fluorinated alkyl group, and an area for a polystyrene equivalent molecular weight of 700,000 or more in a gel permeation chromatography (GPC) chart of the fluorinated graft polymer is 5% or more and 20% or less of the total area. The process cartridge and the image forming apparatus using the electrophotographic photoreceptor are also provided.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供抑制残留电位上升并且耐久性优异的电子照相感光体，并提供使用电子照相感光体的处理盒和成像装置。解决方案：电子照相感光体在导电性基板上具有至少一层感光层，其中位于感光层一侧的表面上的层含有含氟树脂颗粒和含有1-7C的氟化接枝聚合物氟化烷基，氟化接枝聚合物的凝胶渗透色谱（GPC）图中聚苯乙烯换算分子量为70万以上的面积为总面积的5％以上且20％以下。还提供了使用电子照相感光体的处理盒和成像设备。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2010191290A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010191290A
公开(公告)日：2010-09-02
申请号：JP2009036989
申请日：2009-02-19
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MIURA MASARU , NUKADA HIDEMI
IPC分类号： G03G5/147 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that suppresses density irregularity and has excellent reproducibility of thin lines when an exposure device of a multibeam system is used.
SOLUTION: The image forming apparatus includes: an electrophotographic photoreceptor having at least a photosensitive layer on a electroconductive support and having a surface layer containing a fluorinated alkyl group-containing copolymer having a specified repeating unit and fluorocarbon resin particles; a charging device charging the electrophotographic photoreceptor; an exposure device of a multibeam system, scanning the electrophotographic photoreceptor with two or more beams to form an electrostatic latent image on the electrophotographic photoreceptor; a developing device developing the electrostatic latent image with toner to form a toner image; and a transfer device transferring the toner image from the electrophotographic photoreceptor onto a transfer material.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种抑制密度不均匀性的图像形成装置，并且当使用多光束系统的曝光装置时，细线的再现性优异。图像形成装置包括：电子照相感光体，其在导电性支持体上具有至少一层感光层，具有包含具有规定重复单元的含氟烷基的共聚物和氟树脂颗粒的表面层; 对电子照相感光体充电的充电装置; 多光束系统的曝光装置，用两个或更多个光束扫描电子照相感光体以在电子照相感光体上形成静电潜像; 显影装置用调色剂显影静电潜像以形成调色剂图像; 以及将调色剂图像从电子照相感光体转印到转印材料上的转印装置。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009237568A Electrophotographic photoreceptor, process cartridge ,and image forming device 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：JP2009237568A
公开(公告)日：2009-10-15
申请号：JP2009052718
申请日：2009-03-05
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , YAMAMOTO SHINYA , MIURA MASARU , TAKIMOTO HITOSHI , SUZUKI TAKAHIRO , KAWASHIRI TETSUNAO , KORENAGA JIRO , ESUMI TETSUYA , SHIBATA JUNICHI
IPC分类号： G03G5/05 , G03G5/147
CPC分类号： G03G5/14726 , G03G5/0539 , G03G5/0578 , G03G5/0592 , G03G5/0596 , G03G5/14773 , G03G5/14791 , G03G5/14795
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor allowing achievement of both an electrophotographic property and durability in a high level, and to provide an image forming device and a process cartridge using the photoreceptor. SOLUTION: This electrophotographic photoreceptor has at least a photosensitive layer on an electroconductive support body, and includes a fluorinated alkyl group-containing copolymer including repeating units wherein a surface layer is represented by the following formulae A and B, and fluorine-based resin particles: wherein in the formulae A and B, l, m and n each independently represent an integer of 1 or more; p, q, r and s each independently represent 0 or an integer of 1 or more; t represents an integer of 1-7; R 1 , R 2 , R 3 , and R 4 each independently represent a hydrogen atom or an alkyl group; X represents an alkylene chain, a halogen-substituted alkylene chain, -S-, -O-, -NH- or a single bond; Y represents an alkylene chain, a halogen-substituted alkylene chain, -(C Z H2 Z-1 (OH))- or a single bond; z represents an integer of 1 or more; Q represents -O- or -NH-. Further, the image forming device and the process cartridge using the photoreceptor are provided. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其可以实现高水平的电子照相特性和耐久性，并提供使用感光体的图像形成装置和处理盒。解决方案：该电子照相感光体在导电性支持体上具有至少一层感光层，并且包括含有氟代烷基的共聚物，其中表面层由下式A和B表示的重复单元，氟基树脂颗粒：其中在式A和B中，l，m和n各自独立地表示1或更大的整数; p，q，r和s各自独立地表示0或1或更大的整数; t表示1-7的整数; R SB 1，R SB 2，R SB 3和R SB 4各自独立地表示氢原子或烷基 ; X表示亚烷基链，卤素取代的亚烷基链，-S-，-O-，-NH-或单键; Y表示亚烷基链，卤素取代的亚烷基链， - （C 1 -C 12） - 或单键; z表示1以上的整数， Q表示-O-或-NH-。此外，提供了使用感光体的图像形成装置和处理盒。版权所有（C）2010，JPO＆INPIT

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