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1.发明申请公开(公告)号：US20160378002A1
公开(公告)日：2016-12-29
申请号：US15169399
申请日：2016-05-31
IPC分类号： G03G15/00
摘要： An undercoat layer of an electrophotographic photosensitive member includes a binder resin, and a complex particle composed of a core particle coated with tin oxide doped with zinc.
摘要翻译： 电子照相感光构件的底涂层包括粘合剂树脂和由掺杂有锌的氧化锡涂覆的核心颗粒组成的复合颗粒。
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2.发明申请公开(公告)号：US20160231659A1
公开(公告)日：2016-08-11
申请号：US15016100
申请日：2016-02-04
IPC分类号： G03G15/00
CPC分类号： G03G5/144
摘要： An electrophotographic photosensitive member includes an undercoat layer, the undercoat layer having a volume resistivity of from 1×1010 Ω·cm to 1×1013 Ω·cm, the undercoat layer contains (A) a zinc oxide particle and (B) at least one particle selected from titanium oxide particles coated with tin oxide doped with any one of zinc, aluminum, fluorine, tungsten, niobium, tantalum, and phosphorus and a titanium oxide particle coated with oxygen deficient tin oxide, and the content of the particle (B) in the undercoat layer is from 3% by mass to 20% by mass based on the content of the particle (A).
摘要翻译： 电子照相感光构件包括底涂层，底涂层具有1×10 10Ω·cm至1×10 13Ω·cm的体积电阻率，底涂层含有（A）氧化锌颗粒和（B）至少一种 选自由掺杂有锌，铝，氟，钨，铌，钽和磷中的任一种的氧化锡涂覆的氧化钛颗粒的颗粒和涂覆有缺氧氧化锡的氧化钛颗粒，以及颗粒（B）的含量， 相对于粒子（A）的含量，底涂层的含量为3质量％〜20质量％。
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3.发明授权公开(公告)号：US09274443B2
公开(公告)日：2016-03-01
申请号：US14498158
申请日：2014-09-26
CPC分类号： G03G5/0605 , G03G5/0614 , G03G5/0616 , G03G5/0675 , G03G5/0696 , G03G5/105 , G03G5/144
摘要： An electrophotographic photosensitive member includes a laminated body including a conductive support, a first intermediate layer on the conductive support, and a second intermediate layer on the first intermediate layer, the first intermediate layer containing a binder resin and a metal oxide particle whose surface have been treated with an organic compound, and the second intermediate layer containing a cured product having electron transportability, in which the laminated body satisfies the following expression (1): R—nV/R_0V≦0.80 (1).
摘要翻译： 电子照相感光构件包括层叠体，其包括导电性支持体，导电性支持体上的第一中间层，第一中间层上的第二中间层，含有粘合剂树脂的第一中间层和表面已经含有的金属氧化物粒子 并且第二中间层含有具有电子传输性的固化产物，其中层压体满足以下表达式（1）：R-nV / R_0V＆nlE; 0.80（1）。
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4.发明申请公开(公告)号：US20160011530A1
公开(公告)日：2016-01-14
申请号：US14791202
申请日：2015-07-02
IPC分类号： G03G15/00
CPC分类号： G03G5/144 , G03G5/0525 , G03G5/0578 , G03G5/142 , G03G15/00
摘要： An electrophotographic photosensitive member includes an undercoat layer containing a resin and a metal oxide particle whose surface has been treated with a compound represented by formula (1), and the resin is a polymerized product of a composition containing a compound having a group represented by formula (2) and a polyol.
摘要翻译： 电子照相感光构件包括含有树脂的底涂层和其表面已经用式（1）表示的化合物处理的金属氧化物颗粒，并且该树脂是含有由式（1）表示的基团的化合物的组合物的聚合产物， （2）和多元醇。
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5.发明申请公开(公告)号：US20150185639A1
公开(公告)日：2015-07-02
申请号：US14571699
申请日：2014-12-16
IPC分类号： G03G15/00
摘要： Provided is an electrophotographic photosensitive member capable of suppressing a voltage fluctuation and occurrence of a black spot under a high-temperature/high-humidity environment. The electrophotographic photosensitive member includes: a support; a first intermediate layer formed on the support; a second intermediate layer formed on the first intermediate layer; and a photosensitive layer formed on the second intermediate layer, in which the first intermediate layer contains metal oxide particles having a number-average primary particle diameter of from 30 to 450 nm; and the second intermediate layer contains a cured product of a composition containing an electron transport substance having a polymerizable functional group represented by the formula (1) or (2), and having a molecular weight of from 100 to 1,000, and a crosslinking agent having 3 to 6 groups reactive with the polymerizable functional group represented by the formula (1) or (2), and having a molecular weight of from 200 to 1,300.
摘要翻译： 提供一种能够抑制高温/高湿环境下的电压波动和黑斑发生的电照相感光构件。 电照相感光构件包括：支撑体; 形成在所述支撑体上的第一中间层; 形成在第一中间层上的第二中间层; 以及形成在所述第二中间层上的感光层，其中所述第一中间层含有数均一次粒径为30〜450nm的金属氧化物粒子; 第二中间层含有含有具有式（1）或（2）表示的聚合性官能团的电子传输物质，分子量为100〜1000的组合物的固化物，以及具有 3〜6个与式（1）或（2）表示的聚合性官能团反应的基团，分子量为200〜1300。
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6.发明申请公开(公告)号：US20150056547A1
公开(公告)日：2015-02-26
申请号：US14374044
申请日：2013-03-06
IPC分类号： G03G5/07
CPC分类号： G03G5/078 , G03G5/05 , G03G5/051 , G03G5/0514 , G03G5/0525 , G03G5/0535 , G03G5/0539 , G03G5/0546 , G03G5/0564 , G03G5/0578 , G03G5/0589
摘要： A method of producing an electrophotographic photosensitive member includes: preparing a solution including a charge transporting substance, and at least one compound selected from the group consisting of a fluorine-atom-containing polyacrylate, a fluorine-atom-containing polymethacrylate, a polycarbonate having a siloxane bond, a polyester having a siloxane bond, a polystyrene having a siloxane bond, a silicone oil, a polyolefin, an aliphatic acid, an aliphatic acid amide and an aliphatic acid ester; preparing an emulsion by using the solution and water; forming a coat of the emulsion on a support; and heating the coat to form a charge transporting layer.
摘要翻译： 一种制造电子照相感光构件的方法包括：制备包含电荷输送物质的溶液和至少一种选自含氟原子的聚丙烯酸酯，含氟原子的聚甲基丙烯酸酯，具有 硅氧烷键，具有硅氧烷键的聚酯，具有硅氧烷键的聚苯乙烯，硅油，聚烯烃，脂肪酸，脂肪酸酰胺和脂肪酸酯; 通过使用溶液和水制备乳液; 在支撑体上形成乳液层; 并加热涂层以形成电荷输送层。
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7.发明申请公开(公告)号：US20130137032A1
公开(公告)日：2013-05-30
申请号：US13688880
申请日：2012-11-29
IPC分类号： C09B67/50
CPC分类号： C09B67/0026 , C09B67/0002 , C09B67/0016 , G03G5/0542 , G03G5/0564 , G03G5/0614 , G03G5/0696 , G03G5/14756
摘要： Provided is a method of producing an electrophotographic photosensitive member having improved sensitivity and capable of outputting an image having less image defects due to a ghost phenomenon not only under a normal-temperature, normal-humidity environment but also under a low-temperature, low-humidity environment as a particularly severe condition. The method of producing a gallium phthalocyanine crystal includes subjecting a gallium phthalocyanine and a specific amine compound, which are added to a solvent, to a milling treatment to perform crystal transformation of the gallium phthalocyanine. In addition, the gallium phthalocyanine crystal is used in the photosensitive layer of the electrophotographic photosensitive member.
摘要翻译： 提供了一种制造具有改进的灵敏度的电子照相感光构件的方法，并且能够不仅在常温常湿环境下而且在低温，低湿度环境下输出由于重影现象而具有较少图像缺陷的图像， 湿度环境特别严重的情况。 制造镓酞菁晶体的方法包括使镓酞菁和添加到溶剂中的特定胺化合物进行研磨处理以进行镓酞菁的晶体转变。 此外，在电子照相感光构件的感光层中使用镓酞菁晶体。
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8.发明申请公开(公告)号：US20130137023A1
公开(公告)日：2013-05-30
申请号：US13683752
申请日：2012-11-21
摘要： In order to provide an electrophotographic photosensitive member with which a ghost is suppressed even under a low temperature and low humidity environment, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member, the electrophotographic photosensitive member has a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer and comprising a charge generating material and a hole transporting material, wherein the undercoat layer comprises a particular amine compound.
摘要翻译： 为了提供即使在低温和低湿度环境下也能够抑制重影的电子照相感光构件，以及具有电子照相感光构件的处理盒和电子照相设备，电子照相感光构件具有支撑体，形成底涂层 以及形成在底涂层上并包含电荷产生材料和空穴传输材料的感光层，其中底涂层包含特定的胺化合物。
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公开(公告)号：US12045006B2
公开(公告)日：2024-07-23
申请号：US17230550
申请日：2021-04-14
发明人： Shuhei Iwasaki , Tomohito Ishida , Nobuhiro Nakamura , Hiroyuki Watanabe , Tatsuya Yamaai , Yuka Ishiduka , Yota Ito , Takeshi Murakami
CPC分类号： G03G5/047 , G03G15/75 , G03G21/1814
摘要： There is provided an electrophotographic photosensitive member having drum shape, the electrophotographic photosensitive member including a support and a photosensitive layer, wherein an outer surface of the electrophotographic photosensitive member has wrinkles, and when an observation region having square form with one side of 100 μm is placed at an arbitrary position on the outer surface, a line that passes through a central point of the observation region and is parallel to a circumferential direction of the electrophotographic photosensitive member is defined as a first reference line L1, and 3,599 reference lines obtained by rotating the first reference line L1 at every 0.1° around the central point are defined as L2 to L3,600, respectively, each of L1 to L3,600 intersects with convex portions of the wrinkles at a plurality of locations and has at least two different intersection angles selected from the plurality of locations.
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公开(公告)号：US11573499B2
公开(公告)日：2023-02-07
申请号：US16934164
申请日：2020-07-21
发明人： Takeshi Murakami , Kazunori Noguchi , Harunobu Ogaki , Kenta Kamikura , Yuzo Seino , Takashi Kenmoku
摘要： Provided is a process cartridge detachably attachable to a main body of an electrophotographic apparatus, the process cartridge including: a developing unit including a toner; and an electrophotographic photosensitive member, wherein the toner includes a toner particle, the toner particle has a surface containing a polyvalent acid metal salt particle, and a surface layer of the electrophotographic photosensitive member contains at least one metal oxide particle among an aluminum oxide particle, a silicon dioxide particle, and a tin oxide particle.
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