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1. 发明专利

JP2011112863A Method for manufacturing electrophotographic photoreceptor, electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus 有权
标题翻译：制造电子照相光电子产物的方法，电子照相光电子器件，工艺盒和电子照相设备
公开(公告)号：JP2011112863A
公开(公告)日：2011-06-09
申请号：JP2009269049
申请日：2009-11-26
申请人： Canon Inc , キヤノン株式会社
发明人： NOGUCHI KAZUNORI , MIURA DAISUKE , NAGASAKA HIDEAKI , SEKIDO KUNIHIKO , SEKIYA MICHIYO , UESUGI HIROTOSHI , TANAKA DAISUKE , TAKAGI SHINJI , MARUYAMA AKIHIRO
IPC分类号： G03G5/00 , G03G5/14
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having excellent potential stability during repeated use, and a high blocking function, and thereby, capable of suppressing image defects such as fog and black spots after repeated use.
SOLUTION: A method for manufacturing an electrophotographic photoreceptor having a first intermediate layer, a second intermediate layer and a photosensitive layer, in this order on a support is provided, the method including: a step of applying a coating liquid containing inorganic fine particles and a specified thermoplastic resin to form a coating film, and then heating the coating film to form the first intermediate layer; and a step of applying a coating liquid which contains a resin of the same or similar kind of the thermoplastic resin included in the coating liquid for the first intermediate layer, but does not contain inorganic fine particles, to form a coating film, and then heating the coating film to form the second intermediate layer.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供重复使用时具有优异的电位稳定性和高阻断功能的电子照相感光体，从而能够在重复使用之后抑制诸如灰雾和黑点的图像缺陷。提供了一种在载体上依次制造具有第一中间层，第二中间层和感光层的电子照相感光体的方法，所述方法包括：涂布含有无机细粉末的涂布液的步骤颗粒和指定的热塑性树脂以形成涂膜，然后加热涂膜以形成第一中间层; 以及涂布含有与第一中间层的涂布液中所含的相同或相似种类的热塑性树脂的树脂，但不含有无机微粒的涂料的步骤，形成涂膜，然后加热该涂膜形成第二中间层。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010066669A Method for manufacturing electrophotographic photoreceptor 有权
标题翻译：制造电子照相光电子的方法
公开(公告)号：JP2010066669A
公开(公告)日：2010-03-25
申请号：JP2008234770
申请日：2008-09-12
申请人： Canon Inc , キヤノン株式会社
发明人： MIURA DAISUKE , UESUGI HIROTOSHI , OGAKI HARUNOBU
IPC分类号： G03G5/00 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrophotographic photoreceptor, by which concave portions with high uniformity is formed on the photoreceptor surface with high productivity. SOLUTION: The method for manufacturing an electrophotographic photoreceptor having a photosensitive layer on a cylindrical support includes: a process of preparing a coating liquid for a surface layer by dissolving a binder resin and a specified siloxane compound in a solvent; a coating process of applying the coating liquid for the surface layer, on the surface of the support; and a drying process of heating and drying the support coated with the coating liquid for the surface layer. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造电子照相感光体的方法，以高生产率在感光体表面上形成具有高均匀性的凹部。解决方案：在圆柱形支撑体上制造具有感光层的电子照相感光体的方法包括：通过将粘合剂树脂和指定的硅氧烷化合物溶解在溶剂中来制备用于表面层的涂布液的方法; 将表面层用涂布液涂布在载体表面上的涂布方法; 以及对涂覆有用于表层的涂布液的载体进行加热和干燥的干燥过程。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009180802A Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus 审中-公开
标题翻译：电子照相机，过程盒和电子照相设备
公开(公告)号：JP2009180802A
公开(公告)日：2009-08-13
申请号：JP2008017711
申请日：2008-01-29
申请人： Canon Inc , キヤノン株式会社
发明人： NISHIDA TAKESHI , UESUGI HIROTOSHI , OKUDA ATSUSHI , MIURA DAISUKE , MIKI NOBUMICHI
IPC分类号： G03G5/05 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which solves the problem of warpage of a cleaning blade by significantly improving the lubricity of the electrophotographic photoreceptor surface with a small amount of an additive without deteriorating electrophotographic characteristics and durability, and which is easily manufactured, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photoreceptor. SOLUTION: The electrophotographic photoreceptor has a photosensitive layer on a support, wherein a surface layer of the electrophotographic photoreceptor includes a polycarbonate polymer including a repeating unit having a group represented by formula (1-a) in the specifications and a repeating unit having a group represented by formula (1-b) in the specifications, wherein the structure of one or both of the ends of the polymer is represented by formula (1-c) in the specifications, and a compound including a repeating unit having a group represented by formula (1) in the specifications. The process cartridge and the electrophotographic apparatus each have the electrophotographic photoreceptor. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其通过用少量添加剂显着提高电子照相感光体表面的润滑性，而不会降低电子照相特性和耐久性，从而解决了清洁刮板的翘曲问题，并且其是容易制造，以及各自具有电子照相感光体的处理盒和电子照相设备。电子照相感光体在载体上具有感光层，其中电子照相感光体的表面层包括聚碳酸酯聚合物，其包含具有式（1-a）所示基团的重复单元和重复单元在规格中具有由式（1-b）表示的基团，其中聚合物的一个或两个末端的结构在说明书中由式（1-c）表示，并且包含具有式在规格中由公式（1）表示的组。处理盒和电照相设备各自具有电子照相感光体。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008152128A Electrophotographic apparatus 审中-公开
标题翻译：电子照相设备
公开(公告)号：JP2008152128A
公开(公告)日：2008-07-03
申请号：JP2006341576
申请日：2006-12-19
申请人： Canon Inc , キヤノン株式会社
发明人： TAKAGI SHINJI , UESUGI HIROTOSHI , ABE YUKIHIRO , OGAKI HARUNOBU
IPC分类号： G03G5/05 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To suppress occurrence of image defects due to scratching of a photoreceptor in repeated use.
SOLUTION: An electrophotographic apparatus has a transfer separation mechanism by which a transfer material is separated from a photoreceptor, wherein a surface layer of the photoreceptor contains a polyarylate having a specific constitutional unit.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：抑制由于重复使用中的感光体的划伤而导致的图像缺陷的发生。解决方案：电子照相设备具有转印分离机构，通过该转印分离机构将转印材料与感光体分离，其中感光体的表面层含有具有特定结构单元的多芳基化合物。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007086640A Electrophotographic apparatus 审中-公开
标题翻译：电子照相设备
公开(公告)号：JP2007086640A
公开(公告)日：2007-04-05
申请号：JP2005277995
申请日：2005-09-26
申请人： Canon Inc , キヤノン株式会社
发明人： UESUGI HIROTOSHI , FUKAYA KUNIHISA , NAKAMURA KAZUNARI , KAWAHARA MASATAKA
IPC分类号： G03G5/05 , G03G5/147 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a high-speed electrophotographic apparatus using a low-temperature fixable toner, in which a photoreceptor is hardly contaminated, uneven rotation of the photoreceptor particularly due to an external additive sticking on the photoreceptor is prevented, and toner degradation and fusion hardly occur, and which can stably provide high-quality images over a prolonged period of time.
SOLUTION: The electrophotographic apparatus has: an electrophotographic photoreceptor; a means for forming an electrostatic latent image on the electrophotographic photoreceptor; and a developing means for forming a toner image by developing the electrostatic latent image formed on the electrophotographic photoreceptor with the toner, wherein the toner has a melt index (MI) at 135°C/1.2 kg of 8-30 and contains inorganic fine particles as an external additive, and the surface layer of the electrophotographic photoreceptor contains a diorganopolysiloxane on which at least two side chains are grafted and at least one of the two side chains is a perfluoroalkyl group.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题为了提供一种使用感光体几乎不被污染的低温可定影调色剂的高速电子照相设备，防止了感光体的不均匀旋转，特别是由于外部添加剂粘附在感光体上，并且几乎不发生调色剂降解和融合，并且可以在长时间内稳定地提供高质量的图像。电解质：电子照相设备具有：电子照相感光体; 用于在电子照相感光体上形成静电潜像的装置; 以及通过用调色剂显影形成在电子照相感光体上的静电潜像来形成调色剂图像的显影装置，其中调色剂在135℃/ 1.2kg的熔体指数（MI）为8-30，并且含有无机细颗粒作为外部添加剂，并且电子照相感光体的表面层含有二有机聚硅氧烷，其上至少两个侧链被接枝并且两个侧链中的至少一个是全氟烷基。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005250029A Method for manufacturing electrophotographic photoreceptor, electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus 审中-公开
标题翻译：制造电子照相光电子产物的方法，电子照相光电子器件，工艺盒和电子照相设备
公开(公告)号：JP2005250029A
公开(公告)日：2005-09-15
申请号：JP2004059161
申请日：2004-03-03
申请人： Canon Inc , キヤノン株式会社
发明人： MIKI NOBUMICHI , NAKAMURA KAZUNARI , UESUGI HIROTOSHI , HIRANO HIDETOSHI , YAMAZAKI ITARU
IPC分类号： G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrophotographic photoreceptor having a charge transport layer of a thin film (14 to 19 μm) having high uniformity of a film thickness, an electrophotographic photoreceptor manufactured by the manufacturing method, a process cartridge having the electrophotographic photoreceptor, and an electrophotographic apparatus. SOLUTION: A coating liquid for the charge transport layer contains a charge transport material, a polyarylate resin and a cyclic ether having a boiling point below 90°C. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种制造具有膜厚度均匀性好的薄膜（14〜19μm）的电荷输送层的电子照相感光体的方法，通过制造方法制造的电子照相感光体，具有电子照相感光体的处理盒，以及电子照相设备。解决方案：用于电荷输送层的涂布液含有电荷输送材料，多芳基化合物树脂和沸点低于90℃的环醚。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004177596A Electrophotographic photoreceptor 审中-公开
公开(公告)号：JP2004177596A
公开(公告)日：2004-06-24
申请号：JP2002342520
申请日：2002-11-26
申请人： Canon Inc , キヤノン株式会社
发明人： NAKAMURA KAZUNARI , UESUGI HIROTOSHI , TANABE MIKI , OSADA MIYAKO , MIKI NOBUMICHI , YAMAZAKI ITARU
IPC分类号： G03G5/10 , G03G5/00 , G03G5/05
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which prevents uneven peeling or wear of a photosensitive layer in a contact part with a roll and which maintains high image uniformity even for repeated use.
SOLUTION: The photoreceptor has an intermediate layer, a charge generating layer and a charge transfer layer, in this order on a conductive supporting body. The binder resin for the charge transfer layer comprises a thermoplastic resin having weight average molecular weight of 50,000-200,000. Only the developing region on the surface of the conductive supporting body is subjected to roughening treatment. Preferably, the ten-point average roughness Rzjis in the roughened part is ≥1.3 μm, and the ten-point average roughness Rzjis in the part not roughened is ≤0.6 μm.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2004163744A Electrophotographic device 审中-公开
公开(公告)号：JP2004163744A
公开(公告)日：2004-06-10
申请号：JP2002330803
申请日：2002-11-14
申请人： Canon Inc , キヤノン株式会社
发明人： OSADA MIYAKO , NAKAMURA KAZUNARI , UESUGI HIROTOSHI , TANABE MIKI , MIKI NOBUMICHI , YAMAZAKI ITARU
IPC分类号： G03G5/047 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic device which is free of density unevenness due to irregularity of electrostatic charging and an image defect such as a ghost image, whose electrophotographic receptor has long print-resisting life, and which can stably supply a copy image of high quality.
SOLUTION: The electrophotographic device which applies a DC voltage to an electrostatic charging member and presses the electrostatic charging member to abut against the electrophotographic photoreceptor for primary electrostatic charging is characterized in that relational expression of 0.1≤Rz1/Rz2≤1.5 is satisfied, where Rz1 is 10-point mean surface roughness of the electrophotographic receptor in a starting use stage and Rz2 is 10-point mean surface roughness of the electrostatic charging member.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2004004292A Electrophotographic photoreceptor and image forming apparatus 审中-公开
公开(公告)号：JP2004004292A
公开(公告)日：2004-01-08
申请号：JP2002159720
申请日：2002-05-31
申请人： Canon Inc , キヤノン株式会社
发明人： TANABE MIKI , NAKAMURA KAZUNARI , UESUGI HIROTOSHI
IPC分类号： G03G5/14 , G03G5/06 , G03G5/10 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which is suitable for an electrophotographic process of a DC direct electrostatic charging system having no electrostatic discharging means and to provide an image forming apparatus which has the photoreceptor. SOLUTION: The electrophotographic photoreceptor having a photosensitive layer formed by laminating a charge generating layer and a charge transporting layer in order on a conductive base is provided with an intermediate layer between the conductive base and charge generating layer, the intermediate layer containing metal oxide. COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003345040A Electrophotographic device and process cartridge 有权
标题翻译：电子设备和工艺盒
公开(公告)号：JP2003345040A
公开(公告)日：2003-12-03
申请号：JP2002152586
申请日：2002-05-27
申请人： Canon Inc , キヤノン株式会社
发明人： NAKAMURA KAZUNARI , UESUGI HIROTOSHI , TANABE MIKI , MIKI NOBUMICHI , OSADA MIYAKO , YAMAZAKI ITARU
IPC分类号： G03G9/08 , G03G5/047 , G03G5/05 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic device and a process cartridge whose characteristics when repeatedly outputting images are excellent and by which high-definition images having high image quality are supplied over a long term while maintaining a developing property even in an electrophotographic developing method using toner which is small-sized and whose roundness is high as the toner. SOLUTION: The toner is dry type one component toner whose circle equivalent number average diameter is 2-10 μm, whose average roundness is 0.950-0.995 and whose roundness standard deviation is 2 and ≤260 N/mm 2 an elastic deformation ratio is ≥35%, and universal hardness at the indentation depth of 5 μm from the surface is ≥260 N/mm 2 and the elastic deformation ratio is ≥30%. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种电子照相装置和处理盒，其特征在重复输出图像时是优异的，并且长期地提供具有高图像质量的高清晰图像，同时保持显影性能即使在使用小型调色剂并且其调色剂的圆度高的电子照相显影方法。
解决方案：调色剂是干式单组分调色剂，其圆当量数平均直径为2-10μm，其平均圆度为0.950-0.995，圆形当量直径的圆度标准偏差<0.040 通过流式粒子图像测量装置测量的调色剂圆度散射图像和感光体依次层叠电荷产生层和电荷输送层，并且在压痕深度为1μm的通用硬度电荷输送层的表面为≥230N/ mm 2 ，≤260N/ mm 2 ，弹性变形率≥35％，通用硬度表面压痕深度为5μm以上≥260N/ mm 2 ，弹性变形率≥30％。版权所有（C）2004，JPO

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