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1.发明公开公开(公告)号：US20230408937A1
公开(公告)日：2023-12-21
申请号：US18336773
申请日：2023-06-16
Applicant: CANON KABUSHIKI KAISHA
Inventor： TAICHI SATO , SHUNTARO WATANABE , MASATADA HIROTA , KOHEI MAKISUMI , TOMOHITO ISHIDA , TSUTOMU NISHIDA
CPC classification number: G03G5/0567 , G03G15/0105 , G03G15/0868 , G03G5/0662 , G03G2215/066
Abstract: An electrophotographic photosensitive member including a surface layer containing a binder resin and metal oxide particles. An average primary particle diameter of the metal oxide particles measured from a cross-section of the surface layer is 20 to 70 nm. A content ratio of the metal oxide particles in the surface layer measured from the cross-section of the surface layer is 30 to 75 vol % with respect to a total volume of the surface layer.
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公开(公告)号：US20190163120A1
公开(公告)日：2019-05-30
申请号：US16198105
申请日：2018-11-21
Applicant: CANON KABUSHIKI KAISHA
Inventor： Daisuke Miura , Shuhei Iwasaki , Akira Sakakibara , Tatsuya Yamaai , Kazunori Noguchi , Harunobu Ogaki , Kazunari Hagiwara , Yuji Kawaguchi
CPC classification number: G03G21/1814 , G03G5/0567 , G03G15/0233 , G03G15/75
Abstract: A process cartridge configured to be detachably attachable to a main body of an electrophotographic image forming apparatus, in which an occurrence of an image failure is suppressed, wherein the process cartridge includes an electrophotographic photosensitive member and a cleaning member arranged in contact with the electrophotographic photosensitive member, wherein an elastic deformation modulus of a surface layer of the electrophotographic photosensitive member is 35% or larger, and the cleaning member is formed of a urethane foam, wherein a density of the urethane foam is 200 to 500 kg/cm3, and a 25% compressive load of the urethane foam is 0.3 MPa or smaller.
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3.发明申请公开(公告)号：US20180299797A1
公开(公告)日：2018-10-18
申请号：US15948825
申请日：2018-04-09
Applicant: KYOCERA Document Solutions Inc.
Inventor： Tomofumi SHIMIZU , Jun AZUMA
CPC classification number: G03G5/0567 , G03G5/056 , G03G5/0564 , G03G5/0603 , G03G5/0607 , G03G5/0609 , G03G5/0612 , G03G5/0618 , G03G5/0631 , G03G5/0653 , G03G5/0677
Abstract: An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer having a single-layer structure. The photosensitive layer contains a charge generating material, an electron transport material, and a binder resin. The electron transport material includes a compound having a halogen atom and represented by a general formula (1), (2), (3), (4), or (5). The binder resin includes a polyarylate resin. The polyarylate resin includes at least one type of repeating unit each represented by general formula (11), at least one type of repeating unit each represented by general formula (12), and a terminal group represented by general formula (13). In general formula (13), Rf represents a chain aliphatic group substituted by at least one fluoro group. A charge of calcium carbonate charged by friction between the photosensitive layer and the calcium carbonate is at least +8.0 μC/g.
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4.发明授权公开(公告)号：US08822115B2
公开(公告)日：2014-09-02
申请号：US13626437
申请日：2012-09-25
Applicant: Fuji Xerox Co., Ltd.
Inventor： Yuko Yamano , Daisuke Haruyama , Shinya Yamamoto
CPC classification number: G03G5/06 , G03G5/0514 , G03G5/0567 , G03G5/0592 , G03G5/0596 , G03G5/076 , G03G5/1476 , G03G5/14786 , G03G5/14791 , G03G5/14795 , G03G15/00 , G03G21/18 , G03G2215/00957
Abstract: An electrophotographic photoreceptor includes a conductive substrate, a photosensitive layer, and a surface layer that is provided on the photosensitive layer. The surface layer includes a cross-linked component which is a reaction product of compound A and compound B. The compound A is at least one compound selected from guanamine compounds and melamine compounds, and the compound B is a charge-transporting material. A structure derived from at least one compound selected from the guanamine compounds and the melamine compounds included in the surface layer amounts for 0.1% by weight to 5% by weight, and a structure derived from the charge-transporting material included in the surface layer amounts for 85% by weight or greater. Surface roughness Rz of the surface layer is from 0.1 μm to 0.3 μm, and the surface has at least one compound selected from fatty acid metal salt and fluorine resin particles.
Abstract translation: 电子照相感光体包括导电基底，感光层和设在感光层上的表面层。 表面层包括作为化合物A和化合物B的反应产物的交联成分。化合物A是选自胍胺化合物和三聚氰胺化合物中的至少一种化合物，化合物B是电荷输送材料。 衍生自选自包含在表层中的胍胺化合物和三聚氰胺化合物中的至少一种化合物的结构为0.1重量％至5重量％，并且衍生自包含在表面层中的电荷输送材料的结构量 为85重量％以上。 表面层的表面粗糙度Rz为0.1μm〜0.3μm，表面具有至少一种选自脂肪酸金属盐和氟树脂颗粒的化合物。
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5.发明申请ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE 审中-公开电子照相机，图像形成方法，图像形成装置和工艺盒公开(公告)号：US20130295497A1
公开(公告)日：2013-11-07
申请号：US13980762
申请日：2012-01-12
Applicant: Yuuji Tanaka , Kazukiyo Nagai , Tetsuro Suzuki , Yuusuke Koizuka
Inventor： Yuuji Tanaka , Kazukiyo Nagai , Tetsuro Suzuki , Yuusuke Koizuka
CPC classification number: G03G5/076 , G03G5/0567 , G03G5/0575 , G03G5/0592 , G03G5/0596 , G03G5/0614 , G03G5/1476 , G03G5/14769 , G03G5/14791 , G03G5/14795
Abstract: An electrophotographic photoconductor including: a conductive substrate; and at least a photoconductive layer on the conductive substrate, wherein an uppermost surface layer of the photoconductive layer includes a three-dimensionally crosslinked film formed through polymerization among compounds each containing a charge transporting compound and three or more [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups where the charge transporting compound has one or more aromatic rings and the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups are bound to the aromatic rings of the charge transporting compound, wherein the polymerization starts after some of the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups have been partially cleaved and eliminated, and wherein the three-dimensionally crosslinked film has a dielectric constant of lower than 3.5.
Abstract translation: 一种电子照相感光体，包括：导电性基材; 以及导电性基板上的至少一层光电导层，其中光电导层的最上表面层包括通过在各自含有电荷输送化合物的化合物和三个或更多个[（四氢-2H-吡喃-2-基） 其中电荷输送化合物具有一个或多个芳环，[（四氢-2H-吡喃-2-基）氧基]甲基与电荷输送化合物的芳族环结合，其中 在[（四氢-2H-吡喃-2-基）氧基]甲基部分被部分切割除去之后开始聚合，其中三维交联膜的介电常数低于3.5。
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Patent Agency Ranking
6.发明申请ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE USING THE ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR 审中-公开电子照相机，图像形成方法，图像形成装置，以及使用电子照相光电子器件的处理盒公开(公告)号：US20130295496A1
公开(公告)日：2013-11-07
申请号：US13980401
申请日：2012-01-12
Applicant: Yuuji Tanaka , Kazukiyo Nagai , Tetsuro Suzuki , Yuusuke Koizuka
Inventor： Yuuji Tanaka , Kazukiyo Nagai , Tetsuro Suzuki , Yuusuke Koizuka
IPC: G03G15/00
CPC classification number: G03G5/07 , G03G5/0525 , G03G5/0567 , G03G5/0592 , G03G5/0596 , G03G5/0614 , G03G5/076 , G03G5/1476 , G03G5/14769 , G03G5/14791 , G03G5/14795
Abstract: An electrophotographic photoconductor including: a conductive substrate; and at least a photoconductive layer on the conductive substrate, wherein an uppermost surface layer of the photoconductive layer includes a three-dimensionally crosslinked film formed through polymerization among compounds each containing a charge transporting compound and three or more [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups where the charge transporting compound has one or more aromatic rings and the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups are bound to the aromatic rings of the charge transporting compound, wherein the polymerization starts after some of the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups have been partially cleaved and eliminated, and wherein the three-dimensionally cross-linked film has an ionization potential of 5.4 or higher.
Abstract translation: 一种电子照相感光体，包括：导电性基材; 以及导电性基板上的至少一层光电导层，其中光电导层的最上表面层包括通过在各自含有电荷输送化合物的化合物和三个或更多个[（四氢-2H-吡喃-2-基） 其中电荷输送化合物具有一个或多个芳环，[（四氢-2H-吡喃-2-基）氧基]甲基与电荷输送化合物的芳族环结合，其中 在[（四氢-2H-吡喃-2-基）氧基]甲基部分被部分切割除去之后开始聚合，其中三维交联膜的电离电位为5.4以上。
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7.发明申请ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD 有权电子照相机，过程盒，图像形成装置和图像形成方法公开(公告)号：US20130244148A1
公开(公告)日：2013-09-19
申请号：US13626437
申请日：2012-09-25
Applicant: FUJI XEROX CO., LTD.
Inventor： Yuko YAMANO , Daisuke HARUYAMA , Shinya YAMAMOTO
CPC classification number: G03G5/06 , G03G5/0514 , G03G5/0567 , G03G5/0592 , G03G5/0596 , G03G5/076 , G03G5/1476 , G03G5/14786 , G03G5/14791 , G03G5/14795 , G03G15/00 , G03G21/18 , G03G2215/00957
Abstract: An electrophotographic photoreceptor includes a conductive substrate, a photosensitive layer, and a surface layer that is provided on the photosensitive layer. The surface layer includes a cross-linked component which is a reaction product of compound A and compound B. The compound A is at least one compound selected from guanamine compounds and melamine compounds, and the compound B is a charge-transporting material. A structure derived from at least one compound selected from the guanamine compounds and the melamine compounds included in the surface layer amounts for 0.1% by weight to 5% by weight, and a structure derived from the charge-transporting material included in the surface layer amounts for 85% by weight or greater. Surface roughness Rz of the surface layer is from 0.1 μm to 0.3 μm, and the surface has at least one compound selected from fatty acid metal salt and fluorine resin particles.
Abstract translation: 电子照相感光体包括导电基底，感光层和设在感光层上的表面层。 表面层包括作为化合物A和化合物B的反应产物的交联成分。化合物A是选自胍胺化合物和三聚氰胺化合物中的至少一种化合物，化合物B是电荷输送材料。 衍生自选自包含在表层中的胍胺化合物和三聚氰胺化合物中的至少一种化合物的结构为0.1重量％至5重量％，并且由表面层中所含的电荷输送材料衍生的结构量 为85重量％以上。 表层的表面粗糙度Rz为0.1〜0.3μm，表面具有至少一种选自脂肪酸金属盐和氟树脂颗粒的化合物。
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公开(公告)号：US20120321799A1
公开(公告)日：2012-12-20
申请号：US13162371
申请日：2011-06-16
Applicant: Nan-Xing Hu , Gregory McGuire , Richard A. Klenkler , Yvan Gagnon , Gaetano J. Lavigne
Inventor： Nan-Xing Hu , Gregory McGuire , Richard A. Klenkler , Yvan Gagnon , Gaetano J. Lavigne
IPC: B29C43/24
CPC classification number: B29C43/222 , B29C39/148 , B29C59/043 , B29C59/046 , G03G5/0539 , G03G5/0564 , G03G5/0567 , G03G5/0592 , G03G5/0614 , G03G5/0696 , G03G5/14708 , G03G5/14756 , G03G5/1476 , G03G5/14791 , G03G15/751
Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member incorporating an outer layer having a groove pattern imprinted into its surface to lower friction with the cleaning blade and improve print quality and performance. Embodiments also pertain to methods and systems for making the improved imaging member.
Abstract translation: 目前公开的实施例一般涉及可用于成像设备构件和部件的层，用于电子照相（包括数字）设备中。 实施例涉及一种改进的电子照相成像构件，该电子照相成像构件包括具有压印在其表面中的凹槽图案的外层，以降低与清洁刮板的摩擦并提高打印质量和性能。 实施例还涉及用于制造改进的成像构件的方法和系统。
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公开(公告)号：US20120003008A1
公开(公告)日：2012-01-05
申请号：US13254892
申请日：2009-03-12
Applicant: Krzysztof Nauka , Xia Sheng , Hou T. Ng
Inventor： Krzysztof Nauka , Xia Sheng , Hou T. Ng
CPC classification number: G03G5/142 , G03G5/0525 , G03G5/0535 , G03G5/0546 , G03G5/0564 , G03G5/0567 , G03G5/0582 , G03G5/0609 , G03G5/0614 , G03G5/0616 , G03G5/0631 , G03G5/071 , G03G5/073
Abstract: A method for making a photoconductor for electrophotography can comprise depositing a charge generating layer on an electrode; depositing a charge transfer layer on the charge generating layer, where a plurality of charge transfer molecules are disposed within the charge transfer layer; depositing a film of non-conducting material onto the surface of the charge-transfer layer; heating the film and the surface to cause a subset of the charge transfer molecules to move into the non-conducting material, creating in the film a conducting sub-layer and an insulating sub-layer, where the insulating sub-layer is substantially free of charge transfer molecules.
Abstract translation: 制造电子照相用感光体的方法可以包括在电极上沉积电荷产生层; 在电荷产生层上沉积电荷转移层，其中多个电荷转移分子设置在电荷转移层内; 将非导电材料的膜沉积到电荷转移层的表面上; 加热膜和表面以使电荷转移分子的子集移动到非导电材料中，在膜中产生导电子层和绝缘子层，其中绝缘子层基本上不含 电荷转移分子。
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公开(公告)号：US20110124838A1
公开(公告)日：2011-05-26
申请号：US12949418
申请日：2010-11-18
Applicant: Akihiro Kotsugai , Keiko Osaka , Yoshihiro Moriya , Shingo Sakashita , Yukiko Nakajima , Yoshitaka Yamauchi , Ryota Inoue , Akiyoshi Sabu , Daiki Yamashita
Inventor： Akihiro Kotsugai , Keiko Osaka , Yoshihiro Moriya , Shingo Sakashita , Yukiko Nakajima , Yoshitaka Yamauchi , Ryota Inoue , Akiyoshi Sabu , Daiki Yamashita
IPC: C08G63/06
CPC classification number: C08G63/08 , C12P7/56 , C13K1/02 , G03G5/056 , G03G5/0567 , G03G5/0585
Abstract: The present invention provides a method for producing a toner, which includes 1) saccharifying paper by at least one of a chemical degradation method and a biochemical degradation method to obtain a sugar-containing solution, 2) subjecting the sugar-containing solution obtained through 1) to lactic acid fermentation to obtain a lactic acid, 3) polymerizing the lactic acid obtained through 2) to obtain a polylactic acid, and 4) producing a toner using the polylactic acid obtained through 3).
Abstract translation: 本发明提供一种调色剂的制造方法，其包括：1）通过化学降解法和生物化学降解法中的至少一种对糖化糖进行糖化，得到含糖溶液; 2）使通过1 ）进行乳酸发酵以获得乳酸，3）聚合通过2）得到的乳酸，得到聚乳酸，和4）使用通过3）得到的聚乳酸制造调色剂。
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