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1.发明公开公开(公告)号：US20240201608A1
公开(公告)日：2024-06-20
申请号：US18509703
申请日：2023-11-15
CPC分类号： G03G5/0578 , G03G5/0564 , G03G15/75
摘要： An electrophotographic photosensitive member includes a surface layer. The surface layer comprises a polycarbonate resin (α) and a polycarbonate resin (β). The polycarbonate resin (α) has a structural unit represented by a following formula (A) described herein and a structural unit represented by a following formula (B) described herein. The polycarbonate resin (β) has a structure having a dimethylsiloxane moiety.
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2.发明授权Electrophotographic photoreceptor including a copolymer polyarylate resin, production method therefor, electrophotographic device including the photoreceptor, and production method for the copolymer polyarylate resin 有权包括共聚物多芳基化合物树脂的电子照相感光体及其制备方法，包括感光体的电子照相装置和共聚物多芳基化合物树脂的制备方法公开(公告)号：US09442400B2
公开(公告)日：2016-09-13
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： G03G5/05 , G03G5/07 , C08G63/195 , C08G63/695 , C08G77/445
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。
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3.发明授权Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion 有权具有具有矩阵结构的电荷传输层和具有凹凸的充电部件的电子照相图像形成装置公开(公告)号：US09274442B2
公开(公告)日：2016-03-01
申请号：US14662228
申请日：2015-03-18
发明人： Taichi Sato , Tomohito Taniguchi , Noboru Miyagawa , Takehiko Aoyama , Atsushi Uematsu , Masahiro Watanabe , Yuki Yamamoto , Harunobu Ogaki , Akihiro Maruyama , Takashi Anezaki , Daisuke Miura , Hirofumi Kumoi
CPC分类号： G03G5/04 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0592 , G03G5/0596 , G03G15/0233
摘要： Provided an electrophotographic image forming apparatus comprising an electrophotographic photosensitive member and a charging member. The electrophotographic photosensitive member includes a charge transport layer as a surface layer having a matrix-domain structure including specific resins. The charging member comprises an electro-conductive substrate, and an electro-conductive elastic layer. The electro-conductive elastic layer comprises a binder, and holding a bowl-shaped resin particle having an opening, so that at least a part of the bowl-shaped resin particle is exposed, and the charging member has a concavity derived from the opening of the bowl-shaped resin particle on the surface thereof, and a protrusion derived from an edge of the opening of the bowl-shaped resin particle on the surface thereof.
摘要翻译： 提供了一种包括电子照相感光构件和充电构件的电子照相图像形成装置。 电子照相感光构件包括作为具有包含特定树脂的基质结构结构的表面层的电荷输送层。 充电构件包括导电衬底和导电弹性层。 导电弹性层包括粘合剂，并且保持具有开口的碗形树脂颗粒，使得至少一部分碗形树脂颗粒暴露，并且充电构件具有从开口的开口衍生的凹部 其表面上的碗形树脂颗粒和从其表面上的碗形树脂颗粒的开口的边缘衍生的突起。
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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.发明授权公开(公告)号：US09170506B2
公开(公告)日：2015-10-27
申请号：US14146457
申请日：2014-01-02
CPC分类号： G03G5/043 , G03G5/0503 , G03G5/0578 , G03G5/0589 , G03G5/14708 , G03G5/14752 , G03G5/14756 , G03G5/14773 , G03G5/14786
摘要： In an electrophotographic photosensitive member including a support, and a photosensitive layer formed on the support, a surface layer of the electrophotographic photosensitive member includes specific resin (α), resin (β) and compound (γ).
摘要翻译： 在包括支撑体的电子照相感光构件和形成在支撑体上的感光层中，电子照相感光构件的表面层包括特定树脂（α），树脂（＆bgr）和化合物（γ））。
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6.发明授权公开(公告)号：US09063441B2
公开(公告)日：2015-06-23
申请号：US14059731
申请日：2013-10-22
申请人： Hirofumi Yamanami , Koji Enomoto , Naoyuki Esaki
发明人： Hirofumi Yamanami , Koji Enomoto , Naoyuki Esaki
CPC分类号： G03G5/0578 , G03G5/0507 , G03G5/0546 , G03G5/14704 , G03G5/14734 , G03G5/14773 , G03G21/1814 , G03G2215/00957
摘要： Provided is an electrophotographic photoconductor including an electroconductive substrate, a photoconductive layer on the electroconductive substrate, and a protection layer on the photoconductive layer, wherein the protection layer contains two or more metal oxides having different average primary particle diameters, a binder resin, and a charge transporting material, the content of the metal oxides in the protection layer is 50% by mass or higher, and the average primary particle diameters of the metal oxides satisfy all of formula (I) to (III) below: d(1)
摘要翻译： 提供了一种电子照相感光体，其包括导电性基体，导电性基体上的感光层和光电导层上的保护层，其中保护层含有两种以上的平均一次粒径不同的金属氧化物，粘合剂树脂和 电荷输送材料中，保护层中的金属氧化物的含量为50质量％以上，金属氧化物的平均一次粒径满足以下所有式（I）〜（III）：d（1）< d（2）式（I）; d（1）/ d（2）＆nlE; 0.25式（II）; 和0.1μm＆nlE; d（2）式（III）其中d（1）表示保护层中包含的两种或更多种金属氧化物的一种金属氧化物的平均一次粒径（μm），d（2）表示 包含在保护层中的两种或更多种金属氧化物的另一种或另一种金属氧化物的平均一次粒径（μm）。
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7.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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8.发明授权公开(公告)号：US08956792B2
公开(公告)日：2015-02-17
申请号：US13443701
申请日：2012-04-10
申请人： Atsushi Okuda , Harunobu Ogaki , Kazunori Noguchi , Takashi Anezaki , Kazuhisa Shida , Shio Murai
发明人： Atsushi Okuda , Harunobu Ogaki , Kazunori Noguchi , Takashi Anezaki , Kazuhisa Shida , Shio Murai
CPC分类号： G03G5/0578 , G03G5/0564 , G03G5/14756 , G03G5/14773
摘要： Provided is an electrophotographic photosensitive member which is excellent in terms of both continuous reduction of contact stress with contact members and the like and potential stability during repeated use. A charge transport layer which serves as a surface layer of an electrophotographic photosensitive member has a matrix-domain structure including a matrix containing a component [β] (polycarbonate resin D having a specific repeating structural unit) and a charge-transporting substance and domains containing a component [α] (polycarbonate resin A having a repeating structural unit including a specific siloxane moiety).
摘要翻译： 提供了一种电子照相感光构件，其在接触构件的接触应力的连续降低等方面和在重复使用期间的电位稳定性方面都是优异的。 用作电子照相感光构件的表面层的电荷输送层具有包含基质的基体结构结构，所述基体含有组分[（b）]（具有特定重复结构单元的聚碳酸酯树脂D）和电荷输送物质和畴 含有组分[α]（具有包含特定硅氧烷部分的重复结构单元的聚碳酸酯树脂A）。
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9.发明申请公开(公告)号：US20140205940A1
公开(公告)日：2014-07-24
申请号：US14146457
申请日：2014-01-02
CPC分类号： G03G5/043 , G03G5/0503 , G03G5/0578 , G03G5/0589 , G03G5/14708 , G03G5/14752 , G03G5/14756 , G03G5/14773 , G03G5/14786
摘要： In an electrophotographic photosensitive member including a support, and a photosensitive layer formed on the support, a surface layer of the electrophotographic photosensitive member includes specific resin (α), resin (β) and compound (γ).
摘要翻译： 在包括支撑体的电子照相感光构件和形成在支撑体上的感光层中，电子照相感光构件的表面层包括特定树脂（α），树脂（＆bgr）和化合物（γ））。
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10.发明申请公开(公告)号：US20140154618A1
公开(公告)日：2014-06-05
申请号：US14079390
申请日：2013-11-13
发明人： Akihiro Maruyama , Harunobu Ogaki , Yuki Yamamoto
CPC分类号： G03G5/078 , G03G5/0546 , G03G5/056 , G03G5/0564 , G03G5/0578 , G03G5/0589 , G03G5/14734 , G03G5/14752 , G03G5/14756 , G03G5/14773 , G03G5/14786 , G03G5/14791
摘要： A charge-transporting layer of an electrophotographic photosensitive member contains a charge-transporting substance, a resin A having a specific structural unit and a resin C having a specific structural unit as resins, and a compound D having a specific structural unit, and the charge-transporting layer contains domains containing the resin A1, the resin A2 and the compound D in a matrix containing the charge-transporting substance and the resin C.
摘要翻译： 电子照相感光构件的电荷输送层含有电荷输送物质，具有特定结构单元的树脂A和具有特定结构单元的树脂C作为树脂，具有特定结构单元的化合物D和电荷 运输层含有含有电荷输送物质和树脂C的基体中含有树脂A1，树脂A2和化合物D的畴。
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