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1. 发明授权

US08735031B2 Electrophotographic photoreceptor, process for producing the electrophotographic photoreceptor, and electrophotographic device 有权
标题翻译：电子照相感光体，电子照相感光体的制造方法和电子照相装置
公开(公告)号：US08735031B2
公开(公告)日：2014-05-27
申请号：US13132031
申请日：2009-11-27
申请人： Kazuki Nebashi , Yoichi Nakamura , Ikuo Takaki , Seizo Kitagawa , Shinjiro Suzuki
发明人： Kazuki Nebashi , Yoichi Nakamura , Ikuo Takaki , Seizo Kitagawa , Shinjiro Suzuki
IPC分类号： G03G5/14
CPC分类号： G03G5/142 , G03G5/144
摘要： An electrophotographic photoreceptor includes an electroconductive substrate; an undercoat layer provided on the electroconductive substrate and composed of: metal oxide fine particles including particles of at least one metal oxide and at least one organic compound provided on the particles of the at least one metal oxide as a surface treatment; and a copolymer resin synthesized by copolymerization of essential constituent monomers composed of a dicarboxylic acid, a diol, a triol and a diamine; and a photosensitive layer laminated on the undercoat layer. The undercoat layer permits (a) attaining stable electric potential characteristics in all environments ranging from low temperature and low humidity environments to high temperature and high humidity environments, (b) suppressing the occurrence of printing defects and density differences, and (c) simultaneously attaining transfer restorability and restorability from intense light-induced fatigue even in a wide variety of usages and operation environments.
摘要翻译：电子照相感光体包括导电基片; 设置在导电性基体上的由下述构成的底涂层构成：包含至少一种金属氧化物的颗粒的金属氧化物微粒和至少一种金属氧化物颗粒上提供的至少一种有机化合物作为表面处理; 以及由二羧酸，二醇，三醇和二胺组成的必需构成单体共聚而合成的共聚物树脂; 和层压在底涂层上的感光层。底涂层允许（a）在从低温和低湿环境到高温和高湿度环境的所有环境中获得稳定的电势特性，（b）抑制印刷缺陷和密度差异的发生，和（c）同时获得即使在各种各样的使用和操作环境中，也可以将恢复性和恢复性从强烈的光诱导疲劳中转移出来。

2. 发明授权

US09904186B2 Electrophotographic photoreceptor, method for manufacturing same, and electrophotographic apparatus using same 有权
公开(公告)号：US09904186B2
公开(公告)日：2018-02-27
申请号：US14232900
申请日：2011-08-05
申请人： Seizo Kitagawa , Yasushi Tanaka , Shinjiro Suzuki , Hiroshi Emori , Kazuki Nebashi
发明人： Seizo Kitagawa , Yasushi Tanaka , Shinjiro Suzuki , Hiroshi Emori , Kazuki Nebashi
IPC分类号： G03G5/047 , G03G5/05 , G03G5/06 , B05D1/18 , G03G5/04
CPC分类号： G03G5/047 , B05D1/18 , G03G5/04 , G03G5/0503 , G03G5/0525 , G03G5/0564 , G03G5/0696
摘要： A layered, positively-charged electrophotographic photoreceptor, a method for manufacturing the photoreceptor and an electrophotographic apparatus using the photoreceptor are disclosed. The layered, positively-charged electrophotographic photoreceptor includes a conductive support on which is provided a sequential stack composed of a charge transport layer containing at least a first hole transport material and a first binder resin; and a charge generation layer containing at least a charge generation material, a second hole transport material, an electron transport material, and a second binder resin, wherein the charge generation layer and the charge transport layer have a total amount of residual solvents that is 50 μg/cm2 or less. The photoreceptor is highly sensitive, highly durable, and has excellent image qualities including low image defects from cracks generated due to image memory or contact contamination. The photoreceptor is applicable to a high-resolution and high-speed positively-charged electrophotographic apparatuses and provides excellent operational stability.

3. 发明申请

US20130316276A1 ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD THEREOF, AND ELECTROPHOTOGRAPHIC DEVICE 有权
标题翻译：电子照相光电子器件及其制造方法及电子照相器件
公开(公告)号：US20130316276A1
公开(公告)日：2013-11-28
申请号：US13985037
申请日：2012-02-14
申请人： Kazuki Nebashi , Shinjiro Suzuki , Seizo Kitagawa
发明人： Kazuki Nebashi , Shinjiro Suzuki , Seizo Kitagawa
IPC分类号： G03G15/00
CPC分类号： G03G5/071 , G03G5/0542 , G03G5/0589 , G03G5/0696
摘要： An electrophotographic photoconductor including, in the order recited: a conductive substrate; an undercoat layer provided on the conductive substrate; and a photoconductive layer provided on the undercoat layer and containing at least a phthalocyanine compound as a charge generation material and, as a resin binder, a polyvinyl acetal resin composed of a repeating unit represented by formula (1): where, in formula (1), R is a hydrogen atom, a methyl group, an ethyl group or a propyl group; x, y and z represent mol % of the respective structural units, where x+y+z=100; n is an integer from 1 to 5; a degree of acetalization (x+z) is 86 to 99 mol %; and a molar ratio (x:z) of the structural units is 95:5 to 50:50.
摘要翻译：一种电摄影光电导体，包括：导电基片; 设置在导电性基板上的底涂层; 和设置在底涂层上并且至少含有酞菁化合物作为电荷产生材料的光电导层，作为树脂粘合剂，由式（1）表示的重复单元构成的聚乙烯醇缩醛树脂：其中，在式（1）中，），R为氢原子，甲基，乙基或丙基; x，y和z表示各结构单元的摩尔％，其中x + y + z = 100; n为1〜5的整数; 缩醛化度（x + z）为86〜99摩尔％。结构单元的摩尔比（x：z）为95:5〜50:50。

4. 发明申请

US20140199619A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR MANUFACTURING SAME, AND ELECTROPHOTOGRAPHIC APPARATUS USING SAME 有权
标题翻译：电子照相机，其制造方法和使用相同的电子照相设备
公开(公告)号：US20140199619A1
公开(公告)日：2014-07-17
申请号：US14232900
申请日：2011-08-05
申请人： Seizo Kitagawa , Yasushi Tanaka , Shinjiro Suzuki , Hiroshi Emori , Kazuki Nebashi
发明人： Seizo Kitagawa , Yasushi Tanaka , Shinjiro Suzuki , Hiroshi Emori , Kazuki Nebashi
IPC分类号： G03G15/00 , B05D5/12
CPC分类号： G03G5/047 , B05D1/18 , G03G5/04 , G03G5/0503 , G03G5/0525 , G03G5/0564 , G03G5/0696
摘要： A layered, positively-charged electrophotographic photoreceptor, a method for manufacturing the photoreceptor and an electrophotographic apparatus using the photoreceptor are disclosed. The layered, positively-charged electrophotographic photoreceptor includes a conductive support on which is provided a sequential stack composed of a charge transport layer containing at least a first hole transport material and a first binder resin; and a charge generation layer containing at least a charge generation material, a second hole transport material, an electron transport material, and a second binder resin, wherein the charge generation layer and the charge transport layer have a total amount of residual solvents that is 50 μg/cm2 or less. The photoreceptor is highly sensitive, highly durable, and has excellent image qualities including low image defects from cracks generated due to image memory or contact contamination. The photoreceptor is applicable to a high-resolution and high-speed positively-charged electrophotographic apparatuses and provides excellent operational stability.
摘要翻译：公开了层状的带正电荷的电子照相感光体，感光体的制造方法和使用感光体的电子照相设备。层状的带正电荷的电子照相感光体包括导电支撑体，其上设置有由至少含有第一空穴传输材料和第一粘合剂树脂的电荷输送层构成的顺序叠层; 以及至少包含电荷产生材料，第二空穴传输材料，电子传输材料和第二粘合剂树脂的电荷产生层，其中电荷产生层和电荷输送层具有总量为50的残留溶剂 μg/ cm2以下。感光体高度敏感，高度耐用，并且具有优异的图像质量，包括由于图像记忆或接触污染而产生的裂纹的低图像缺陷。感光体适用于高分辨率和高速正电照相设备，并提供优异的操作稳定性。

5. 发明授权

US08597864B2 Photoreceptor for electrophotography, process for producing the same, and electrophotographic apparatus 有权
标题翻译：电子摄影用感光体，其制造方法以及电子照相设备
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。

6. 发明授权

US09081313B2 Electrophotographic photoconductor, production method thereof, and electrophotographic device 有权
标题翻译：电子照相感光体，其制备方法和电子照相装置
公开(公告)号：US09081313B2
公开(公告)日：2015-07-14
申请号：US13985037
申请日：2012-02-14
申请人： Kazuki Nebashi , Shinjiro Suzuki , Seizo Kitagawa
发明人： Kazuki Nebashi , Shinjiro Suzuki , Seizo Kitagawa
IPC分类号： G03G15/02 , G03G15/04 , G03G5/07 , G03G5/05 , G03G5/06
CPC分类号： G03G5/071 , G03G5/0542 , G03G5/0589 , G03G5/0696
摘要： An electrophotographic photoconductor including, in the order recited: a conductive substrate; an undercoat layer provided on the conductive substrate; and a photoconductive layer provided on the undercoat layer and containing at least a phthalocyanine compound as a charge generation material and, as a resin binder, a polyvinyl acetal resin composed of a repeating unit represented by formula (1): where, in formula (1), R is a hydrogen atom, a methyl group, an ethyl group or a propyl group; x, y and z represent mol % of the respective structural units, where x+y+z=100; n is an integer from 1 to 5; a degree of acetalization (x+z) is 86 to 99 mol %; and a molar ratio (x:z) of the structural units is 95:5 to 50:50.
摘要翻译：一种电摄影光电导体，包括：导电基片; 设置在导电性基板上的底涂层; 和设置在底涂层上并且至少含有酞菁化合物作为电荷产生材料的光电导层，作为树脂粘合剂，由式（1）表示的重复单元构成的聚乙烯醇缩醛树脂：其中，在式（1）中，），R为氢原子，甲基，乙基或丙基; x，y和z表示相应结构单元的摩尔％，其中x + y + z = 100; n为1〜5的整数; 缩醛化度（x + z）为86〜99摩尔％。结构单元的摩尔比（x：z）为95:5〜50:50。

7. 发明申请

US20120058422A1 PHOTORECEPTOR FOR ELECTROPHOTOGRAPHY, PROCESS FOR PRODUCING THE SAME, AND ELECTROPHOTOGRAPHIC APPARATUS 有权
标题翻译：电子照相用电极，其制造方法和电子照相装置
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。

8. 发明申请

US20120034556A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS FOR PRODUCING THE ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND ELECTROPHOTOGRAPHIC DEVICE 有权
标题翻译：电子照相光电子产品，电摄影光刻胶的制造方法以及电子照相装置
公开(公告)号：US20120034556A1
公开(公告)日：2012-02-09
申请号：US13132031
申请日：2009-11-27
申请人： Kazuki Nebashi , Yoichi Nakamura , Seizo Kitagawa , Ikuo Takaki , Shinjiro Suzuki
发明人： Kazuki Nebashi , Yoichi Nakamura , Seizo Kitagawa , Ikuo Takaki , Shinjiro Suzuki
IPC分类号： G03G5/04
CPC分类号： G03G5/142 , G03G5/144
摘要： An electrophotographic photoreceptor includes an electroconductive substrate; an undercoat layer provided on the electroconductive substrate and composed of: metal oxide fine particles including particles of at least one metal oxide and at least one organic compound provided on the particles of the at least one metal oxide as a surface treatment; and a copolymer resin synthesized by copolymerization of essential constituent monomers composed of a dicarboxylic acid, a diol, a triol and a diamine; and a photosensitive layer laminated on the undercoat layer. The undercoat layer permits (a) attaining stable electric potential characteristics in all environments ranging from low temperature and low humidity environments to high temperature and high humidity environments, (b) suppressing the occurrence of printing defects and density differences, and (c) simultaneously attaining transfer restorability and restorability from intense light-induced fatigue even in a wide variety of usages and operation environments.
摘要翻译：电子照相感光体包括导电基片; 设置在导电性基体上的由下述构成的底涂层构成：包含至少一种金属氧化物的颗粒的金属氧化物微粒和至少一种金属氧化物颗粒上提供的至少一种有机化合物作为表面处理; 以及由二羧酸，二醇，三醇和二胺组成的必需构成单体共聚而合成的共聚物树脂; 和层压在底涂层上的感光层。底涂层允许（a）在从低温和低湿环境到高温和高湿度环境的所有环境中获得稳定的电势特性，（b）抑制印刷缺陷和密度差异的发生，和（c）同时获得即使在各种各样的使用和操作环境中，也可以将恢复性和恢复性从强烈的光诱导疲劳中转移出来。

9. 发明申请

US20110244381A1 ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, MANUFACTURING METHOD THEREOF, AND ELECTROPHOTOGRAPHIC DEVICE 有权
标题翻译：电子照相光电子器件及其制造方法和电子照相器件
公开(公告)号：US20110244381A1
公开(公告)日：2011-10-06
申请号：US12999308
申请日：2009-12-14
申请人： Shinjirou Suzuki , Yoichi Nakamura , Ikuo Takaki , Seizo Kitagawa , Kazuki Nebashi
发明人： Shinjirou Suzuki , Yoichi Nakamura , Ikuo Takaki , Seizo Kitagawa , Kazuki Nebashi
IPC分类号： G03G5/04
CPC分类号： G03G5/142 , G03G5/144
摘要： Provided is an electrophotographic photoconductor that has good coating solution stability and metal oxide dispersibility, is free of image defects including ground fogging and black spots, and affords good image characteristics in various environments, as well as a manufacturing method therefore and a device including the same. The electrophotographic photoconductor includes a conductive substrate; an undercoat layer; and a photosensitive layer. The undercoat layer contains, as a main component, a resin obtained by polymerizing, as starting materials, an aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid having 8 or more carbon atoms, and at least one diamine having a cycloalkane structure, and further contains a metal oxide. The aromatic dicarboxylic acid in the resin is present in an amount that ranges from 0.1 to 10 mol %, and the resin has an acid value and a base value that are each no greater than 10 KOH mg/g.
摘要翻译：提供了具有良好的涂布溶液稳定性和金属氧化物分散性的电子照相感光体，没有包括地雾和黑点的图像缺陷，并且在各种环境中提供良好的图像特性，因此其制造方法和包括其的装置。电子照相感光体包括导电性基板; 底漆层; 和感光层。作为主要成分，底涂层含有通过使作为原料的芳香族二羧酸，至少一种碳原子数8以上的脂肪族二羧酸和至少一种具有环烷烃结构的二胺的原料聚合而得到的树脂，进一步含有金属氧化物。树脂中的芳族二羧酸的存在量为0.1〜10摩尔％，树脂的酸值和碱值不大于10KOHmg / g。

10. 发明授权

US09081319B2 Electrophotographic photoconductor, manufacturing method thereof, and electrophotographic device 有权
标题翻译：电子照相感光体，其制造方法和电子照相装置
公开(公告)号：US09081319B2
公开(公告)日：2015-07-14
申请号：US12999308
申请日：2009-12-14
申请人： Shinjirou Suzuki , Yoichi Nakamura , Ikuo Takaki , Seizo Kitagawa , Kazuki Nebashi
发明人： Shinjirou Suzuki , Yoichi Nakamura , Ikuo Takaki , Seizo Kitagawa , Kazuki Nebashi
IPC分类号： G03G5/04 , G03G5/14
CPC分类号： G03G5/142 , G03G5/144
摘要： Provided is an electrophotographic photoconductor that has good coating solution stability and metal oxide dispersibility, is free of image defects including ground fogging and black spots, and affords good image characteristics in various environments, as well as a manufacturing method therefore and a device including the same. The electrophotographic photoconductor includes a conductive substrate; an undercoat layer; and a photosensitive layer. The undercoat layer contains, as a main component, a resin obtained by polymerizing, as starting materials, an aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid having 8 or more carbon atoms, and at least one diamine having a cycloalkane structure, and further contains a metal oxide. The aromatic dicarboxylic acid in the resin is present in an amount that ranges from 0.1 to 10 mol %, and the resin has an acid value and a base value that are each no greater than 10 KOH mg/g.
摘要翻译：提供了具有良好的涂布溶液稳定性和金属氧化物分散性的电子照相感光体，没有包括地雾和黑点的图像缺陷，并且在各种环境中提供良好的图像特性，因此其制造方法和包括其的装置。电子照相感光体包括导电性基板; 底漆层; 和感光层。作为主要成分，底涂层含有通过使作为原料的芳香族二羧酸，至少一种碳原子数8以上的脂肪族二羧酸和至少一种具有环烷烃结构的二胺的原料聚合而得到的树脂，进一步含有金属氧化物。树脂中的芳族二羧酸的存在量为0.1〜10摩尔％，树脂的酸值和碱值不大于10KOHmg / g。

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