公开(公告)号：US20230296995A1

公开(公告)日：2023-09-21

申请号：US18135830

申请日：2023-04-18

申请人： Mitsubishi Chemical Corporation

发明人： Takahiro Choda ,  Akira Ando

IPC分类号： G03G5/047 ,  G03G5/06 ,  G03G5/147 ,  G03G21/18

CPC分类号： G03G5/047 ,  G03G5/061443 ,  G03G5/06149 ,  G03G5/14704 ,  G03G5/14773 ,  G03G21/1814

摘要： There is provided an electrophotographic photoreceptor including: a conductive support; and a photosensitive layer and a protective layer containing a cured product obtained by curing a curable compound, which are sequentially disposed on the conductive support. The photoreceptor has a Martens hardness of 255 N/mm2 or more. The photosensitive layer contains at least a hole transport material (HTM), and an energy difference between a HOMO level and a LUMO level of the hole transport material (HTM) is greater than 3.6 eV and 4.0 eV or less.

公开(公告)号：US20170010556A1

公开(公告)日：2017-01-12

申请号：US15205707

申请日：2016-07-08

申请人： CANON KABUSHIKI KAISHA

发明人： Kazunori Noguchi ,  Yuka Ishiduka ,  Yuki Yamamoto ,  Atsushi Okuda ,  Akihiro Maruyama ,  Atsushi Fujii ,  Nobuhiro Nakamura ,  Kazuko Sakuma

IPC分类号： G03G15/00

CPC分类号： G03G5/04 ,  G03G5/0614 ,  G03G5/0696 ,  G03G5/14752 ,  G03G5/14756 ,  G03G5/14773 ,  G03G15/04 ,  G03G21/0047 ,  G03G21/08 ,  G03G2215/0145

摘要： An image forming method in which a surface layer of an electrophotographic photosensitive member contains a compound having a specific structure in an amount of 0.1% to 10% by mass based on the total mass of the surface layer, and in a charged region of the surface of the electrophotographic photosensitive member charged in a charging step, a non-image forming region in which an electrostatic latent image is not formed is not irradiated with destaticizing light or is irradiated with reduced destaticizing light.

摘要翻译： 一种图像形成方法，其中电子照相感光构件的表面层包含相对于表面层的总质量为0.1〜10质量％的具有特定结构的化合物，并且在表面的带电区域中 在充电步骤中充电的电子照相感光构件中，没有形成静电潜像的非图像形成区域不被去静电光照射或用减少的去静电光照射。

公开(公告)号：US09507283B2

公开(公告)日：2016-11-29

申请号：US14656574

申请日：2015-03-12

申请人： CANON KABUSHIKI KAISHA

发明人： Akihiro Maruyama ,  Harunobu Ogaki ,  Yuki Yamamoto

IPC分类号： G03G5/00 ,  G03G5/05 ,  G03G5/07 ,  G03G5/147

CPC分类号： G03G5/0546 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/078 ,  G03G5/14756 ,  G03G5/14773

摘要： Provided is an electrophotographic photosensitive member, including a charge-transporting layer containing a charge-transporting substance, and containing, as resins, a polycarbonate resin A having specific structural units and a resin D having a specific structural unit, in which the charge-transporting layer has, in a matrix containing the charge-transporting substance and the resin D, domains each containing the polycarbonate resin A.

摘要翻译： 提供了一种电子照相感光构件，其包括含有电荷输送物质的电荷输送层，并且含有具有特定结构单元的聚碳酸酯树脂A和具有特定结构单元的树脂D作为树脂，其中电荷传输 在含有电荷输送物质和树脂D的基体中，各层含有聚碳酸酯树脂A。

公开(公告)号：US09274496B2

公开(公告)日：2016-03-01

申请号：US14308396

申请日：2014-06-18

申请人： CANON KABUSHIKI KAISHA

发明人： Noboru Miyagawa ,  Satoshi Koide ,  Takehiko Aoyama ,  Daisuke Tanaka

IPC分类号： G03G15/02 ,  G03G21/18 ,  G03G5/05 ,  G03G5/147 ,  G03G15/00

CPC分类号： G03G21/1814 ,  G03G5/05 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/0589 ,  G03G5/147 ,  G03G5/14708 ,  G03G5/14752 ,  G03G5/14756 ,  G03G5/1476 ,  G03G5/14773 ,  G03G5/14786 ,  G03G15/02 ,  G03G15/0233 ,  G03G15/75 ,  G03G21/18

摘要： Uneven charging is improved, and production of a banding image attributed to a slip between the charging member and the electrophotographic photosensitive member is suppressed. An electrophotographic process cartridge including a charging member and an electrophotographic photosensitive member which is electrically charged upon being brought into contact with the charging member, wherein the charging member includes a electro-conductive substrate and a surface layer formed on the electro-conductive substrate; the surface layer contains at least a binder resin, an electron conductive agent, and a resin particle having a plurality of pores inside thereof; the surface of the surface layer has a protrusion derived from the resin particle; the electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support; and the surface layer of the electrophotographic photosensitive member contains a specific component.

摘要翻译： 改善了不均匀充电，并且抑制了归因于充电构件和电子照相感光构件之间的滑动的带状图像的产生。 一种电子照相处理盒，包括充电部件和与充电部件接触时带电的电子照相感光部件，其中充电部件包括导电基板和形成在导电基板上的表面层; 表层至少含有粘合剂树脂，电子传导剂和在其内部具有多个孔的树脂颗粒; 表面层的表面具有衍生自树脂颗粒的突起; 电子照相感光构件包括支撑体和形成在支撑体上的感光层; 并且电子照相感光构件的表面层含有特定成分。

公开(公告)号：US20150104738A1

公开(公告)日：2015-04-16

申请号：US14514203

申请日：2014-10-14

申请人： CANON KABUSHIKI KAISHA

发明人： Shinji Takagi ,  Koichi Nakata

IPC分类号： G03G15/00

CPC分类号： G03G5/14773 ,  G03G5/0546 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/071 ,  G03G5/14734 ,  G03G5/14791

摘要： A surface layer of an electrophotographic photosensitive member contains a cured product of a composition containing a hole transporting substance having an acryloyloxy group and/or a methacryloyloxy group and a siloxane-modified acrylic compound.

摘要翻译： 电子照相感光构件的表面层含有含有具有丙烯酰氧基和/或甲基丙烯酰氧基的空穴传输物质和硅氧烷改性的丙烯酸类化合物的组合物的固化物。

公开(公告)号：US08980509B2

公开(公告)日：2015-03-17

申请号：US13988731

申请日：2011-11-25

申请人： Kazunori Noguchi ,  Takashi Anezaki ,  Kazuhisa Shida ,  Atsushi Okuda ,  Shio Murai ,  Harunobu Ogaki

发明人： Kazunori Noguchi ,  Takashi Anezaki ,  Kazuhisa Shida ,  Atsushi Okuda ,  Shio Murai ,  Harunobu Ogaki

IPC分类号： G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/147 ,  G03G15/00

CPC分类号： G03G5/0589 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/0614 ,  G03G5/0629 ,  G03G5/14752 ,  G03G5/14756 ,  G03G5/14773 ,  G03G15/75

摘要： An electrophotographic photosensitive member comprises a charge-transporting layer which is a surface layer of the electrophotographic photosensitive member; wherein the charge-transporting layer has a matrix-domain structure having: a matrix comprising a component β and a component γ, and a domain comprising a component α.

摘要翻译： 电子照相感光构件包括作为电子照相感光构件的表面层的电荷输送层; 其中所述电荷输送层具有矩阵结构，其具有：包含组分bgr的基体; 和成分γ，以及包含成分α的畴。

公开(公告)号：US08921020B2

公开(公告)日：2014-12-30

申请号：US13879348

申请日：2011-10-25

申请人： Shio Murai ,  Harunobu Ogaki ,  Kazunori Noguchi ,  Takashi Anezaki ,  Kazuhisa Shida ,  Atsushi Okuda

发明人： Shio Murai ,  Harunobu Ogaki ,  Kazunori Noguchi ,  Takashi Anezaki ,  Kazuhisa Shida ,  Atsushi Okuda

IPC分类号： G03G5/05 ,  G03G5/07 ,  G03G5/147 ,  C08G63/193

CPC分类号： G03G5/078 ,  C08G63/193 ,  G03G5/0542 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/14752 ,  G03G5/14756 ,  G03G5/14773 ,  G03G5/14786

摘要： Provided is an electrophotographic photosensitive member, including: a support; and a photosensitive layer, which is provided on the support, in which: a surface layer of the electrophotographic photosensitive member includes a terminal siloxane-containing polyester resin having a specific structure; and a lower layer provided in contact with the surface layer includes a polycarbonate resin, a polyester resin, or a polyvinyl acetal resin, having a specific structure.

摘要翻译： 提供一种电子照相感光构件，包括：支撑体; 以及设置在支撑体上的感光层，其中：电子照相感光构件的表面层包括具有特定结构的末端含硅氧烷的聚酯树脂; 并且与表层接触的下层包括具有特定结构的聚碳酸酯树脂，聚酯树脂或聚乙烯醇缩醛树脂。

公开(公告)号：US08846281B2

公开(公告)日：2014-09-30

申请号：US13059629

申请日：2009-09-24

申请人： Atsushi Okuda ,  Hirotoshi Uesugi ,  Kazunori Noguchi ,  Tsutomu Nishida

发明人： Atsushi Okuda ,  Hirotoshi Uesugi ,  Kazunori Noguchi ,  Tsutomu Nishida

IPC分类号： G03G15/00 ,  G03G5/04 ,  G03G5/147 ,  G03G5/05 ,  G03G21/00

CPC分类号： G03G5/0578 ,  G03G5/0564 ,  G03G5/14756 ,  G03G5/14773 ,  G03G15/751 ,  G03G21/0011

摘要： An electrophotographic photosensitive member having a surface layer which contains a silicon-containing compound in an amount of less than 0.6% by mass based on the whole solid content in the surface layer, where the silicon-containing compound in the surface layer has a siloxane moiety in an amount of 0.01% by mass or more, based on the whole solid content in the surface layer, and its surface has specific depressions. Also disclosed are a process cartridge and an electrophotographic apparatus which have the electrophotographic photosensitive member.

摘要翻译： 一种具有表面层的电子照相感光构件，其表面层中含硅化合物具有硅氧烷部分的表面层中的整体固含量小于0.6质量％的含硅化合物 基于表面层中的整体固体含量为0.01质量％以上，并且其表面具有特定的凹陷。 还公开了具有电子照相感光构件的处理盒和电子照相设备。

公开(公告)号：US08815479B2

公开(公告)日：2014-08-26

申请号：US13879344

申请日：2011-10-25

申请人： Kazuhisa Shida ,  Atsushi Okuda ,  Kazunori Noguchi ,  Takashi Anezaki ,  Harunobu Ogaki ,  Shio Murai

发明人： Kazuhisa Shida ,  Atsushi Okuda ,  Kazunori Noguchi ,  Takashi Anezaki ,  Harunobu Ogaki ,  Shio Murai

IPC分类号： G03G5/147 ,  G03G5/05 ,  G03G5/06 ,  G03G5/047

CPC分类号： G03G5/047 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/0614 ,  G03G5/14752 ,  G03G5/14756 ,  G03G5/14773 ,  G03G5/14786

摘要： An electrophotographic photosensitive member comprises a charge-transporting layer which is a surface layer of the electrophotographic photosensitive member; wherein the charge-transporting layer has a matrix-domain structure having: a matrix comprising a component [β] and a component [γ] (charge-transporting substances having specific structures), and a domain comprising a component [α](resin [α1], or resin [α1] and resin [α2]).

摘要翻译： 电子照相感光构件包括作为电子照相感光构件的表面层的电荷输送层; 其中所述电荷输送层具有矩阵结构，所述矩阵域结构具有：包含成分[＆bgr]和成分[γ]（具有特定结构的电荷输送物质）的基体和包含成分[α]（树脂 [α1]或树脂[α1]和树脂[α2]）。

公开(公告)号：US20140205946A1

公开(公告)日：2014-07-24

申请号：US14148069

申请日：2014-01-06

申请人： CANON KABUSHIKI KAISHA

发明人： Kazumichi Sugiyama ,  Daisuke Tanaka ,  Tsutomu Nishida

IPC分类号： G03G5/04

CPC分类号： G03G5/0503 ,  G03G5/0525 ,  G03G5/0546 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/14734 ,  G03G5/14752 ,  G03G5/14756 ,  G03G5/14773

摘要： Provided is a method of producing an electrophotographic photosensitive member including a support and a surface layer formed on the support, the method including the steps of forming a coat of a surface-layer coating solution, and drying the coat to form the surface layer, in which the surface-layer coating solution includes resin α, resin β, solvent γ, and compound δ.

摘要翻译： 提供一种制造电子照相感光构件的方法，该电子照相感光构件包括支撑体和形成在支撑体上的表面层，该方法包括以下步骤：形成表面层涂布溶液的涂层，并将该涂层干燥以形成表面层， 表层涂布液包括树脂α，树脂＆bgr;溶剂γ和化合物δ。