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11. 发明专利

JP2004191583A Electrophotographic photoreceptor and its manufacturing method 审中-公开
公开(公告)号：JP2004191583A
公开(公告)日：2004-07-08
申请号：JP2002358447
申请日：2002-12-10
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ESUMI TETSUYA , NAKAMURA KAZUYUKI , TAKIMOTO HITOSHI , YAHAGI KOICHI , NAKAMURA MITSUHIDE , ASAHI TORU , NAKABAYASHI WATARU , HORII NORITAKA
IPC分类号： G03G5/05 , G03G5/00
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which has sufficiently high durability against scratch or friction and release property for toner and which can keep high electrophotographic characteristics and cleaning characteristics for a long time, and to provide a method for manufacturing the photoreceptor. SOLUTION: The method for manufacturing an electrophotographic photoreceptor includes processes of: preparing an objective body to be the electrophotographic photoreceptor on which a layer containing a fluorocarbon resin is formed on the surface; preparing a coating liquid by adding the structural component of the layer containing a fluorocarbon resin to a solvent at 0 to 50°C; and forming a layer containing a fluorocarbon resin by applying the coating liquid on the objective body to form the layer containing the fluorocarbon resin to obtain the electrophotographic photoreceptor. COPYRIGHT: (C)2004,JPO&NCIPI

12. 发明专利

JP2010224503A ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 审中-公开
公开(公告)号：JP2010224503A
公开(公告)日：2010-10-07
申请号：JP2009074793
申请日：2009-03-25
申请人： FUJI XEROX CO LTD
发明人： ESUMI TETSUYA
IPC分类号： G03G5/05 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which suppresses storage of remaining potential and therefore achieves both electrophotographic characteristics and durability at a high level, and to provides an image forming apparatus and a process cartridge each of which uses this electrophotographic photoreceptor. SOLUTION: In the electrophotographic photoreceptor, at least a photosensitive layer is provided on a conductive supporting member, and a surface layer contains a fluorinated alkyl group-containing copolymer including a repeating unit expressed by structural formula A and fluorine based resin particles, and a quaternary ammonium salt content of the surface layer is ≤50 ppm. The image forming apparatus and the process cartridge use this electrophotographic photoreceptor. In the structural formula A: l represents a positive equal to or larger than one; p represents 0 or a positive equal to or larger than one; t represents a positive from one to 7; R1 is represents a hydrogen atom or an alkyl group; and Q represents -O- or -NH-. COPYRIGHT: (C)2011,JPO&INPIT

13. 发明专利

JP2007139993A 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：JP2007139993A
公开(公告)日：2007-06-07
申请号：JP2005332131
申请日：2005-11-16
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAO KENJI , ESUMI TETSUYA , YAMADA WATARU , NUKADA KATSUMI
IPC分类号： G03G5/147 , G03G5/05 , G03G5/06 , G03G5/07
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which achieves both of mechanical strength and property of preventing oxidation in a high level. SOLUTION: The electrophotographic photoreceptor comprises a conductive support and a photosensitive layer disposed on the conductive support, wherein the photosensitive layer has an outermost surface layer formed by curing a curable resin composition containing an epoxy compound represented by general formula (I) on a side farthest from the conductive support. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种能够高度防止氧化的机械强度和性能的电子照相感光体。电子照相感光体包括导电性支持体和配置在导电性支持体上的感光层，其中感光层具有通过将含有通式（I）表示的环氧化合物的固化性树脂组合物固化于离导电支架最远的一侧。版权所有（C）2007，JPO＆INPIT

14. 发明专利

JP2006267652A 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：JP2006267652A
公开(公告)日：2006-10-05
申请号：JP2005086692
申请日：2005-03-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： ESUMI TETSUYA , YAO KENJI , NUKADA KATSUMI , NAKAMURA KAZUYUKI
IPC分类号： G03G5/147 , G03G5/05 , G03G5/06 , G03G5/07
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having excellent wear resistance and deletion preventing property and keeping electric characteristics in a high level over a long period, and also to provide a process cartridge and an image forming apparatus each using the photoreceptor. SOLUTION: The electrophotographic photoreceptor comprises: a conductive substrate; and a photosensitive layer deposited on the conductive substrate and having the outermost surface layer in the farthest side from the conductive substrate. The outermost surface layer contains a charge transport material having at least one kind of functional group selected from a group consisting of hydroxyalkyl groups, hydroxyalkoxy groups, hydroxyalkylthio groups and hydroxyphenyl groups which may have a substituent, and at least two kinds of curable resins selected from a group consisting of phenol resin, epoxy resin and melamine resin. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的耐磨性和缺失防止性的电子照相感光体，并且在长时间内保持高的水平的电特性，并且还提供一种处理盒和图像形成装置，每个使用感光体。电解质感光体包括：导电性基材; 以及感光层，其沉积在导电性基板上，并具有距离导电性基板最远侧的最表面层。最外表面层含有具有至少一种选自羟基烷基，羟基烷氧基，羟烷基硫基和可具有取代基的羟基苯基的官能团的电荷输送材料，以及至少两种选自由酚醛树脂，环氧树脂和三聚氰胺树脂组成的组。版权所有（C）2007，JPO＆INPIT

15. 发明专利

JP2006251771A Coating agent composition, electrophotographic photoreceptor, image forming apparatus, and process cartridge 有权
标题翻译：涂料代理组合物，电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2006251771A
公开(公告)日：2006-09-21
申请号：JP2005363954
申请日：2005-12-16
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMADA WATARU , NUKADA KATSUMI , IWASAKI MASAHIRO , YAO KENJI , KOSEKI KAZUHIRO , ESUMI TETSUYA , YAMASHITA NORIYUKI , NAKAMURA KAZUYUKI
IPC分类号： G03G5/147 , G03G5/07
摘要： PROBLEM TO BE SOLVED: To provide a coating agent composition capable of imparting both of mechanical strength and contaminant adhesion resistance to an electrophotographic photoreceptor when the composition is used as a constituting material of the electrophotographic photoreceptor. SOLUTION: The coating agent composition contains an optically functional organic compound capable of forming a hardening film, sulfonic acid and/or its derivative and amine of a boiling point ≤250°C. The impartation of both of the mechanical strength and the contaminant adhesion resistance to the electrophotographic photoreceptor 1 is made possible by curing the coating agent composition to form the surface layer 7 of the electrophotographic photoreceptor 1. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种涂料组合物，当组合物用作电子照相感光体的构成材料时，能够赋予电子照相感光体机械强度和污染物粘合性两者。解决方案：涂料组合物含有能形成硬化膜的光学官能的有机化合物，磺酸和/或其衍生物和沸点≤250℃的胺。通过使涂覆剂组合物固化以形成电子照相感光体1的表面层7，赋予对电子照相感光体1的机械强度和污染物粘合性两者的赋予。版权所有（C）2006，JPO＆NCIPI

16. 发明专利

JP2006072304A Composite body, its production method, electrophotographic photoreceptor, process cartridge and electrophotographic device 有权
标题翻译：复合体，其生产方法，电子照相光电子器件，工艺盒和电子照相器件
公开(公告)号：JP2006072304A
公开(公告)日：2006-03-16
申请号：JP2005086966
申请日：2005-03-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HONGO KAZUYA , NAKAJIMA YUKIKO , KAMIJO YUKIKO , ESUMI TETSUYA , NAKAMURA HIROSHI , HOSHIZAKI TAKETOSHI , YOSHIDA SATOKO
IPC分类号： G03G5/06 , C09B67/16 , C09B67/20 , C09B67/50 , G03G5/00 , G03G5/05 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a composite body, when used as the constituting material of an electrophotographic photoreceptor, which can impart sufficient static charge properties, photosensitivity and low dark decay properties to the electrophotographic photoreceptor, and is effective for preventing picture defects such as fogging and ghost, and to provide its production method.
SOLUTION: The composite body for solving the problem is a composite body of phthalocyanine pigment and an organic electronic acceptor used as constituting materials of an electrophotographic photoreceptor, and is obtained by subjecting a mixture comprising the phthalocyanine pigment, the organic electronic acceptor, and a prescribed solvent to wet pulverization treatment.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种复合体，当用作电子照相感光体的构成材料时，能赋予电子照相感光体足够的静电荷特性，光敏性和低暗衰变特性，并且对于防止图像是有效的缺陷如雾化和鬼魂，并提供其生产方法。解决方案：用于解决该问题的复合体是用作电子照相感光体的构成材料的酞菁颜料和有机电子受体的复合体，通过使含有酞菁颜料，有机电子受体，和规定的溶剂进行湿式粉碎处理。版权所有（C）2006，JPO＆NCIPI

17. 发明专利

JP2005025180A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005025180A
公开(公告)日：2005-01-27
申请号：JP2004171698
申请日：2004-06-09
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NAKAMURA KAZUYUKI , ESUMI TETSUYA , HOSHIZAKI TAKETOSHI , IWASAKI MASAHIRO
IPC分类号： G03G5/04 , G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which can realize both of improvement in the picture quality and a higher image forming rate even when a surface light emitting laser having a large number of laser beams is used. SOLUTION: The image forming apparatus is equipped with: an electrophotographic photoreceptor 12; an electrifying apparatus 14 to electrify the electrophotographic photoreceptor 12; an exposure apparatus 16 to expose the electrified electrophotographic photoreceptor 12 to form an electrostatic latent image, a developing apparatus 18 to develop the electrostatic latent image with toner to form a toner image; and a transfer apparatus 32 to transfer the toner image from the electrophotographic photoreceptor 12 to a medium to be transferred. The electrophotographic photoreceptor 12 comprises a conductive substrate and a charge generating layer and a charge transport layer formed on the substrate. The charge transport layer shows ≤5°C difference between the maximum and minimum of the glass transition temperature in the portion corresponding to the region for forming an electrostatic latent image. The exposure apparatus 16 is equipped with a surface light emitting laser array having three or more light emitting elements as the exposure light source and employs a multi-beam system by scanning the electrophotographic photoreceptor 12 with a plurality of light beams to form an electrostatic latent image. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使当使用具有大量激光束的表面发射激光器时，提供一种能够实现图像质量的改善和更高的图像形成速率的图像形成装置。图像形成装置具备：电子照相感光体12，使电子照相感光体12通电的带电装置14; 用于曝光带电电子照相感光体12以形成静电潜像的曝光装置16，用调色剂显影静电潜像以形成调色剂图像的显影装置18; 以及将调色剂图像从电子照相感光体12转印到要转印的介质的转印装置32。电子照相感光体12包括形成在基板上的导电基板和电荷产生层和电荷输送层。在与形成静电潜像的区域相对应的部分中，电荷输送层的玻璃化转变温度的最大值与最小值之间的差别为±5℃。曝光装置16配备有具有三个或更多个发光元件作为曝光光源的表面发光激光器阵列，并且通过用多个光束扫描电子照相感光体12来采用多光束系统以形成静电潜像。版权所有（C）2005，JPO＆NCIPI

18. 发明专利

JP2004020727A Electrophotographic photoreceptor, method for manufacturing electrophotographic photoreceptor, process cartridge, and electrophotographic device 有权
公开(公告)号：JP2004020727A
公开(公告)日：2004-01-22
申请号：JP2002173004
申请日：2002-06-13
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , HOSHIZAKI TAKETOSHI , ESUMI TETSUYA , AIDA MICHIKO , YAMADA TAKASHI , TAKEGAWA ICHIRO
IPC分类号： G03G5/14 , G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which can sufficiently prevent degradation in electric characteristics accompanying repetitive use, has high durability and high resolution quality, and can be easily constituted and a method for manufacturing the same, a process cartridge mounted with this electrophotographic photoreceptor, and an electrophotographic device. SOLUTION: The electrophotographic photoreceptor 100 has a conductive support layer 3, a photosensitive layer 6 containing pigment, and an under-coating layer 4 arranged between the conductive support layer and the photosensitive layer. Metal oxide particles subjected to a surface treatment by using an organic metal compound having a hydrolzable functional group are included in the under-coating layer 4 and the moisture content in the state before the layer is subjected to the surface treatment of the metal oxide particles is confined to ≤1.0mass%. COPYRIGHT: (C)2004,JPO

19. 发明专利

JP2003262971A METHOD OF MANUFACTURING ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS 审中-公开
公开(公告)号：JP2003262971A
公开(公告)日：2003-09-19
申请号：JP2002064162
申请日：2002-03-08
申请人： FUJI XEROX CO LTD
发明人： NUKADA HIDEMI , HOSHIZAKI TAKETOSHI , AIDA MICHIKO , ESUMI TETSUYA , YAMADA TAKASHI , TAKEGAWA ICHIRO
IPC分类号： G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having high resolution and high durability with which lowering of electric characteristics attendant upon repetitive use can be sufficiently prevented and to provide its manufacturing method, a process cartridge and an electrophotographic apparatus. SOLUTION: The electrophotographic photoreceptor 100 has an electrically conductive base layer 3, a photosensitive layer 6 containing a pigment and an under coat layer 4 arranged between the electrically conductive base layer and the photosensitive layer. Further the under coat layer contains metallic oxide particle a surface of which is treated by using an organometallic compound having a hydrolyzable functional group. In the manufacturing method of the electrophotographic photoreceptor 100, the under coat layer is formed by using the surface-treated metallic oxide particle satisfying a condition expressed by formula: 1.0×10 -6 ≤(I1/I2)≤1.0×10 -3 , wherein I1 denotes characteristic X-ray intensity of a metallic element constituting the organometallic compound obtained by fluorescent X-ray analysis to the surface-treated metallic oxide particle and I2 denotes characteristic X-ray intensity of a metallic element constituting the surface-treated metallic oxide particle. COPYRIGHT: (C)2003,JPO

20. 发明专利

JPH11202508A PRODUCTION OF ELECTROPHOTOGRAPHIC PHOTORECEPTOR 失效
公开(公告)号：JPH11202508A
公开(公告)日：1999-07-30
申请号：JP437798
申请日：1998-01-13
申请人： FUJI XEROX CO LTD
发明人： SUZUKI TAKAHIRO , ESUMI TETSUYA , FUJITA MAMORU
IPC分类号： G03G5/05 , B05D1/18
摘要： PROBLEM TO BE SOLVED: To provide a process for producing an electrophotographic photoreceptor capable of preventing the shear droop of thick film layers formed on the front end faces of coating application in spite of use of a solvent of a rapid drying type for a coating liquid and easily forming a uniform film thickness free of unequal coating application by lessening the temp. change of a substrate during coating application operation. SOLUTION: This process for producing the electrophotographic photoreceptor consists in forming the coating application layer by using a holder which is inserted into the cylindrical substrate and holds the cylindrical substrate by bringing a holding member into pressurized contact with the inside wall of the cylindrical substrate and a dip coating applicator which consists of a coating applicator filled with the coating liquid. In such a case, the cylindrical substrate is executed by specifying the length between the bottom end face of the holding member in contact with the cylindrical substrate and the top end face of the cylindrical substrate to about

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