公开(公告)号：US08404414B2

公开(公告)日：2013-03-26

申请号：US12990544

申请日：2009-04-02

申请人： Ikuo Takaki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Kazuki Nebashi ,  Fengqiang Zhu

发明人： Ikuo Takaki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Kazuki Nebashi ,  Fengqiang Zhu

IPC分类号： G03G5/04

CPC分类号： G03G5/0564 ,  G03G2215/00957 ,  G03G2215/00987

摘要： Electrophotographic photoconductor including a conductive substrate; and a photosensitive layer provided on the conductive substrate and including at least a charge generation material; a charge transport material; and a resin binder including a copolymer polyarylate resin represented by general formula (I) below: and manufacturing method therefore. Good images with less cracking occurrence are obtained during recycling of a photosensitive drum and peripheral members thereof that includes the electrophotographic photoconductor, and also when a liquid development process is employed.

摘要翻译： 电子照相感光体包括导电性基材; 以及设置在所述导电基板上并且至少包括电荷产生材料的感光层; 电荷输送材料; 和含有下述通式（I）表示的共聚物聚芳酯树脂的树脂粘合剂及其制造方法。 在包括电子照相感光体的感光鼓及其周边部件的再循环期间，以及采用液体显影处理时，都能获得具有较少裂纹发生的良好图像。

公开(公告)号：US20110189603A1

公开(公告)日：2011-08-04

申请号：US12990544

申请日：2009-04-02

申请人： Ikuo Takaki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Kazuki Nebashi ,  Fengqiang Zhu

发明人： Ikuo Takaki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Kazuki Nebashi ,  Fengqiang Zhu

IPC分类号： G03G5/04

CPC分类号： G03G5/0564 ,  G03G2215/00957 ,  G03G2215/00987

摘要： Electrophotographic photoconductor including a conductive substrate; and a photosensitive layer provided on the conductive substrate and including at least a charge generation material; a charge transport material; and a resin binder including a copolymer polyarylate resin represented by general formula (I) below: and manufacturing method therefore. Good images with less cracking occurrence are obtained during recycling of a photosensitive drum and peripheral members thereof that includes the electrophotographic photoconductor, and also when a liquid development process is employed.

摘要翻译： 电子照相感光体包括导电性基材; 以及设置在所述导电基板上并且至少包括电荷产生材料的感光层; 电荷输送材料; 和含有下述通式（I）表示的共聚物聚芳酯树脂的树脂粘合剂及其制造方法。 在包括电子照相感光体的感光鼓及其周边部件的再循环期间，以及采用液体显影处理时，都能获得具有较少裂纹发生的良好图像。

公开(公告)号：US08597864B2

公开(公告)日：2013-12-03

申请号：US13148438

申请日：2009-02-16

申请人： Shinjiro Suzuki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Fengqiang Zhu ,  Kazuki Nebashi

发明人： Shinjiro Suzuki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Fengqiang Zhu ,  Kazuki Nebashi

IPC分类号： G03G5/00

CPC分类号： G03G5/056 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/0592

摘要： Provided is a photoreceptor for electrophotography, a process for producing the photoreceptor, and an electrophotographic apparatus that includes the photoreceptor. The photoreceptor has a photosensitive layer which contains a resin binder that is a copolymerized polyallylate resin. An electrophotographic apparatus having a photoreceptor drum that includes this photoreceptor has a reduced surface frictional resistance throughout the printing period from the beginning to after printing, thus reducing the amount of surface wear while producing satisfactory images.

摘要翻译： 本发明提供电子照相用感光体，感光体的制造方法以及包含感光体的电子照相设备。 感光体具有包含作为共聚聚烯丙基酯树脂的树脂粘合剂的感光层。 具有包括该感光体的感光鼓的电子照相设备在从开始到打印之后的整个打印期间具有降低的表面摩擦阻力，因此在产生令人满意的图像的同时减少了表面磨损量。

公开(公告)号：US20120058422A1

公开(公告)日：2012-03-08

申请号：US13148438

申请日：2009-02-16

申请人： Shinjiro Suzuki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Fengqiang Zhu ,  Kazuki Nebashi

发明人： Shinjiro Suzuki ,  Yoichi Nakamura ,  Seizo Kitagawa ,  Fengqiang Zhu ,  Kazuki Nebashi

IPC分类号： G03G15/00 ,  G03G5/047 ,  G03G5/043 ,  G03G5/07

CPC分类号： G03G5/056 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/0592

摘要： Provided is a photoreceptor for electrophotography, a process for producing the photoreceptor, and an electrophotographic apparatus that includes the photoreceptor. The photoreceptor has a photosensitive layer which contains a resin binder that is a copolymerized polyallylate resin. An electrophotographic apparatus having a photoreceptor drum that includes this photoreceptor has a reduced surface frictional resistance throughout the printing period from the beginning to after printing, thus reducing the amount of surface wear while producing satisfactory images.

摘要翻译： 本发明提供电子照相用感光体，感光体的制造方法以及包含感光体的电子照相设备。 感光体具有包含作为共聚聚烯丙基酯树脂的树脂粘合剂的感光层。 具有包括该感光体的感光鼓的电子照相设备在从开始到打印之后的整个打印期间具有降低的表面摩擦阻力，因此在产生令人满意的图像的同时减少了表面磨损量。

公开(公告)号：US08951702B2

公开(公告)日：2015-02-10

申请号：US12921374

申请日：2009-07-09

申请人： Fengqiang Zhu ,  Yoichi Nakamura ,  Ikuo Takaki ,  Seizo Kitagawa ,  Shinjirou Suzuki

发明人： Fengqiang Zhu ,  Yoichi Nakamura ,  Ikuo Takaki ,  Seizo Kitagawa ,  Shinjirou Suzuki

IPC分类号： G03G5/047 ,  C07C211/54 ,  G03G5/06

CPC分类号： C07C211/54 ,  G03G5/0614 ,  G03G5/0668 ,  G03G5/0696

摘要： A charge transport material having reduced photodeterioration is disclosed to be an ethylene compound having an ethylene double bond site, having a structure in which four different substituents are substituted at the ethylene double bond site, and having general formula (I) below where R1, R2 and R3 are each independently a hydrogen atom, a halogen atom, an alkyl group of 1 to 6 carbons or an alkoxyl group of 1 to 6 carbons; R4 is phenyl or tolyl; and Ar is one group selected from the group consisting of naphthyl, biphenyl, anthryl, xylyl, and phenanthryl. An electrophotographic photoreceptor and process for producing the electrophotographic photoreceptor also are disclosed. The electrophotographic photoreceptor includes a conductive substrate; and a photosensitive layer provided on the conductive substrate that includes the charge transport material.

摘要翻译： 公开了具有降低的光致变化的电荷传输材料，其是具有乙烯双键位点的乙烯化合物，其具有在乙烯双键位置上被四个不同取代基取代的结构，并且具有以下通式（I），其中R1，R2 R 3各自独立地为氢原子，卤素原子，碳原子数为1〜6的烷基或碳原子数为1〜6的烷氧基。 R4是苯基或甲苯基; Ar是选自萘基，联苯基，蒽基，二甲苯基和菲基的一个基团。 还公开了一种电子照相感光体和用于制造电子照相感光体的方法。 电子照相感光体包括导电性基板; 以及设置在包括电荷输送材料的导电性基板上的感光层。

公开(公告)号：US20110183246A1

公开(公告)日：2011-07-28

申请号：US12921374

申请日：2009-07-09

申请人： Fengqiang Zhu ,  Yoichi Nakamura ,  Ikuo Takaki ,  Seizo Kitagawa ,  Shinjirou Suzuki

发明人： Fengqiang Zhu ,  Yoichi Nakamura ,  Ikuo Takaki ,  Seizo Kitagawa ,  Shinjirou Suzuki

IPC分类号： G03G5/047 ,  C07C211/43

CPC分类号： C07C211/54 ,  G03G5/0614 ,  G03G5/0668 ,  G03G5/0696

摘要： An ethylene compound having general formula (I) below: wherein R1, R2 and R3 are each independently a hydrogen atom, a halogen atom, an alkyl group of 1 to 6 carbons or an alkoxyl group of 1 to 6 carbons; R4 is an alkyl group of 1 to 3 carbons, phenyl or tolyl; and Ar is an aryl group of 7 to 20 carbons or a heterocyclic group, functions as a charge transport material in an electrophotographic photoreceptor. This compound suppresses photodeterioration, causes little light-induced fatigue, can prevent a rise in the residual potential associated with such light-induced fatigue, has stable properties as an electrophotographic photoreceptor even when used for an extended period of time, and is able to stably provide a satisfactory image.

摘要翻译： 具有通式（I）的乙烯化合物：其中R1，R2和R3各自独立地为氢原子，卤素原子，1至6个碳原子的烷基或1至6个碳原子的烷氧基; R4是1〜3个碳的烷基，苯基或甲苯基; 并且Ar为7〜20个碳原子的芳基或杂环基，作为电子照相感光体中的电荷输送材料起作用。 这种化合物抑制光老化，引起轻微的疲劳，可以防止与这种光诱导疲劳相关的残余电位的上升，即使长时间使用也具有作为电子照相感光体的稳定性能，并且能够稳定地 提供令人满意的图像。

公开(公告)号：US08765336B2

公开(公告)日：2014-07-01

申请号：US13582706

申请日：2010-03-01

申请人： Fengqiang Zhu ,  Yoichi Nakamura ,  Shinjiro Suzuki

发明人： Fengqiang Zhu ,  Yoichi Nakamura ,  Shinjiro Suzuki

IPC分类号： G03G5/04 ,  G03G5/05 ,  G03G5/047

CPC分类号： G03G5/0517 ,  G03G5/047 ,  G03G5/0605 ,  G03G5/14708

摘要： An electrophotographic photoreceptor and a manufacturing method therefore are disclosed. The electrophotographic photoreceptor includes a conductive base; and a photosensitive layer provided on the conductive base and containing a diadamantyl diester compound represented by General Formula (I) below: where, R1, R2 and R3 each independently represent a hydrogen atom, halogen atom, optionally substituted C1-6 alkyl group, optionally substituted C1-6 alkoxyl group, C6-20 aryl group or heterocyclic group, X and Z represent single bonds or optionally substituted C1-6 alkylene groups, and Y represents an OCO group or COO group. The electrophotographic photoreceptor has sufficient wear resistance and satisfactory properties as a photoreceptor, while being little affected by harmful gasses and environmental temperature and humidity.

摘要翻译： 因此公开了一种电子照相感光体及其制造方法。 电子照相感光体包括导电性基体; 和设置在导电性基体上并含有下述通式（I）表示的二十一烷基二酯化合物的感光层：其中，R 1，R 2和R 3各自独立地表示氢原子，卤素原子，任选取代的C 1-6烷基， 取代的C 1-6烷氧基，C 6-20芳基或杂环基，X和Z表示单键或任选取代的C 1-6亚烷基，Y表示OCO基或COO基。 电摄影光感受器具有足够的耐磨性和作为感光体的令人满意的性能，同时受到有害气体和环境温度和湿度的影响很小。

公开(公告)号：US20130022904A1

公开(公告)日：2013-01-24

申请号：US13582706

申请日：2010-03-01

申请人： Fengqiang Zhu ,  Yoichi Nakamura ,  Shinjiro Suzuki

发明人： Fengqiang Zhu ,  Yoichi Nakamura ,  Shinjiro Suzuki

IPC分类号： G03G5/06

CPC分类号： G03G5/0517 ,  G03G5/047 ,  G03G5/0605 ,  G03G5/14708

摘要： An electrophotographic photoreceptor and a manufacturing method therefore are disclosed. The electrophotographic photoreceptor includes a conductive base; and a photosensitive layer provided on the conductive base and containing a diadamantyl diester compound represented by General Formula (I) below: where, R1, R2 and R3 each independently represent a hydrogen atom, halogen atom, optionally substituted C1-6 alkyl group, optionally substituted C1-6 alkoxyl group, C6-20 aryl group or heterocyclic group, X and Z represent single bonds or optionally substituted C1-6 alkylene groups, and Y represents an OCO group or COO group. The electrophotographic photoreceptor has sufficient wear resistance and satisfactory properties as a photoreceptor, while being little affected by harmful gasses and environmental temperature and humidity.

摘要翻译： 因此公开了一种电子照相感光体及其制造方法。 电子照相感光体包括导电性基体; 和设置在导电性基体上并含有下述通式（I）表示的二十一烷基二酯化合物的感光层：其中，R 1，R 2和R 3各自独立地表示氢原子，卤素原子，任选取代的C 1-6烷基， 取代的C 1-6烷氧基，C 6-20芳基或杂环基，X和Z表示单键或任选取代的C 1-6亚烷基，Y表示OCO基或COO基。 电摄影光感受器具有足够的耐磨性和作为感光体的令人满意的性能，同时受到有害气体和环境温度和湿度的影响很小。

公开(公告)号：US20150079510A1

公开(公告)日：2015-03-19

申请号：US14372448

申请日：2012-02-28

申请人： Fengqiang Zhu ,  Shinjiro Suzuki ,  Quanqiu Zhang ,  Seishi Terasaki

发明人： Fengqiang Zhu ,  Shinjiro Suzuki ,  Quanqiu Zhang ,  Seishi Terasaki

IPC分类号： G03G5/07 ,  C08G63/695

CPC分类号： G03G5/078 ,  C08G63/195 ,  C08G63/6956 ,  C08G77/445 ,  G03G5/056 ,  G03G5/0578 ,  G03G5/071

摘要： An electrophotographic photoreceptor having a photosensitive layer which includes, as a resin binder, a copolymeric polyarylate resin having structural units of a Chemical Structural Formula 1, a method of producing the photoreceptor, an electrophotographic device including the electrophotographic photoreceptor, and a method of preparing the copolymeric polyarylate resin are provided. The electrophotographic photoreceptor reduces the amount of abrasion at the surface of a photoreceptor drum and lowers frictional resistance from the beginning until the end of printing, and moreover provides good images.

摘要翻译： 具有感光层的电子照相感光体，其包含作为树脂粘合剂的具有化学结构式1的结构单元的共聚多芳基化合物树脂，感光体的制造方法，包含电子照相感光体的电子照相装置及其制备方法 提供共聚聚芳酯树脂。 电子照相感光体减少感光鼓表面的磨损量，并降低从开始到打印结束的摩擦阻力，而且提供良好的图像。

公开(公告)号：US08748069B2

公开(公告)日：2014-06-10

申请号：US13885683

申请日：2010-12-09

申请人： Fengqiang Zhu ,  Shinjiro Suzuki ,  Masaru Takeuchi ,  Quanqiu Zhang

发明人： Fengqiang Zhu ,  Shinjiro Suzuki ,  Masaru Takeuchi ,  Quanqiu Zhang

IPC分类号： G03G5/04 ,  G03G5/05 ,  G03G5/047

CPC分类号： G03G5/0517 ,  G03G5/047 ,  G03G5/0542 ,  G03G5/0564 ,  G03G5/06 ,  G03G5/0605 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/0696 ,  G03G5/142 ,  G03G5/14708 ,  G03G5/14756

摘要： Provided are an electrophotographic photoconductor that satisfies sufficient wear resistance as well as various characteristics as a photoconductor, and that is little affected by harmful gas or the temperature and humidity environment, and a method for producing such an electrophotographic photoconductor. The electrophotographic photoconductor has at least a photosensitive layer on a conductive substrate. The photosensitive layer contains a diadamantyl diester compound represented by Formula (I) (in Formula (I), R1, R2 and R3 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted C1-C6 alkoxyl group, a C6-C20 aryl group or a heterocyclic group; l, m and n each represent an integer from 1 to 4; U and W represent a single bond or a substituted or unsubstituted C1-C6 alkylene group; and V represents an OCO group or a COO group).

摘要翻译： 提供了一种满足足够耐磨性以及作为感光体的各种特性并且几乎不受有害气体或温度和湿度环境影响的电子照相感光体，以及用于制造这种电子照相感光体的方法。 电子照相感光体在导电性基材上具有至少一层感光层。 感光层含有式（I）表示的二十二烷基二酯化合物（式（I）中，R 1，R 2，R 3各自独立地表示氢原子，卤素原子，取代或未取代的C 1 -C 6烷基，取代或未取代的 未取代的C1-C6烷氧基，C6-C20芳基或杂环基; l，m和n各自表示1至4的整数; U和W表示单键或取代或未取代的C1-C6亚烷基; V表示OCO基或COO基）。