公开(公告)号：US20150185630A1

公开(公告)日：2015-07-02

申请号：US14573410

申请日：2014-12-17

申请人： CANON KABUSHIKI KAISHA

发明人： Yota Ito ,  Michiyo Sekiya ,  Nobuhiro Nakamura ,  Atsushi Okuda ,  Kazunori Noguchi ,  Kazuko Sakuma

IPC分类号： G03G15/00

CPC分类号： G03G5/0609 ,  G03G5/0575 ,  G03G5/0592 ,  G03G5/0607 ,  G03G5/0616 ,  G03G5/064 ,  G03G5/0651 ,  G03G5/0657 ,  G03G5/0661 ,  G03G5/142 ,  G03G5/144

摘要： In an electrophotographic photosensitive member, an undercoat layer contains a polymerized product of a composition including an electron transporting substance having a polymerizable functional group, and a crosslinking agent, and a metal oxide particle, and a mass ratio of the electron transporting substance in the composition to the metal oxide particle is 0.5 or more.

摘要翻译： 在电子照相感光构件中，底涂层含有包含具有可聚合官能团的电子传输物质和交联剂，金属氧化物颗粒以及组合物中的电子传输物质的质量比的组合物的聚合产物 对金属氧化物粒子为0.5以上。

公开(公告)号：US20140322636A1

公开(公告)日：2014-10-30

申请号：US14260066

申请日：2014-04-23

申请人： CANON KABUSHIKI KAISHA

发明人： Kunihiko Sekido ,  Nobuhiro Nakamura ,  Atsushi Okuda ,  Michiyo Sekiya ,  Yota Ito

IPC分类号： G03G15/00 ,  C07D471/00

CPC分类号： G03G5/14 ,  G03G5/0651 ,  G03G5/142 ,  G03G21/18

摘要： An electrophotographic photosensitive member includes a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer, in which the undercoat layer contains a polymerized product of a compound represented by the formula (1) or a polymerized product of a composition containing a compound represented by the formula (1).

摘要翻译： 电子照相感光构件包括支撑体，形成在支撑体上的底涂层和形成在底涂层上的感光层，其中底涂层含有由式（1）表示的化合物的聚合产物或聚合产物 含有式（1）表示的化合物的组合物。

公开(公告)号：US20140004456A1

公开(公告)日：2014-01-02

申请号：US13931215

申请日：2013-06-28

申请人： CANON KABUSHIKI KAISHA

发明人： Atsushi Okuda ,  Nobuhiro Nakamura ,  Kunihiko Sekido ,  Michiyo Sekiya ,  Yota Ito ,  Kenichi Kaku ,  Hiroyuki Tomono ,  Yuka Ishiduka

IPC分类号： G03G15/00 ,  G03G21/18 ,  B05D5/12

CPC分类号： G03G5/142 ,  G03G5/04 ,  G03G5/0525 ,  G03G5/0571 ,  G03G5/0575 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/0648 ,  G03G5/065 ,  G03G5/0651 ,  G03G5/0657 ,  G03G5/076 ,  G03G15/00 ,  G03G15/751

摘要： An undercoat layer of an electrophotographic photosensitive member contains a polymerized product of (cured material) a composition that contains a particular crosslinking agent, a particular resin, and a particular charge transporting substance.

摘要翻译： 电子照相感光构件的底涂层含有（固化物）的聚合物，该组合物含有特定的交联剂，特定的树脂和特定的电荷输送物质。

公开(公告)号：US11782353B2

公开(公告)日：2023-10-10

申请号：US17229475

申请日：2021-04-13

申请人： CANON KABUSHIKI KAISHA

发明人： Nobuhiro Nakamura ,  Tomohito Ishida ,  Shuhei Iwasaki ,  Hiroyuki Watanabe ,  Tatsuya Yamaai ,  Yuka Ishiduka ,  Yota Ito ,  Takeshi Murakami

IPC分类号： G03G5/047 ,  G03G5/147

CPC分类号： G03G5/047 ,  G03G5/147

摘要： A method for producing an electrophotographic photosensitive member including: forming a photosensitive layer; and forming a protective layer, wherein the step of forming the photosensitive layer forms a photosensitive layer having an amount of residual solvent of a first solvent in the photosensitive layer of 0.05% to 2.50% and an amount of residual solvent of a second solvent in the photosensitive layer of 0.50% to 2.50%, and the step of forming the protective layer includes step (A) of forming a cured film and step (B) of forming the protective layer having wrinkle shapes, wherein, in step (A), the irradiated coating film is heated at a heating temperature lower than a boiling point of the first solvent and in step (B), the cured film is heated at a heating temperature higher than a boiling point of the first solvent.

公开(公告)号：US20210325793A1

公开(公告)日：2021-10-21

申请号：US17229475

申请日：2021-04-13

申请人： CANON KABUSHIKI KAISHA

发明人： Nobuhiro Nakamura ,  Tomohito Ishida ,  Shuhei Iwasaki ,  Hiroyuki Watanabe ,  Tatsuya Yamaai ,  Yuka lshiduka ,  Yota Ito ,  Takeshi Murakami

IPC分类号： G03G5/047 ,  G03G5/147

摘要： A method for producing an electrophotographic photosensitive member including: forming a photosensitive layer; and forming a protective layer, wherein the step of forming the photosensitive layer forms a photosensitive layer having an amount of residual solvent of a first solvent in the photosensitive layer of 0.05% to 2.50% and an amount of residual solvent of a second solvent in the photosensitive layer of 0.50% to 2.50%, and the step of forming the protective layer includes step (A) of forming a cured film and step (B) of forming the protective layer having wrinkle shapes, wherein, in step (A), the irradiated coating film is heated at a heating temperature lower than a boiling point of the first solvent and in step (B), the cured film is heated at a heating temperature higher than a boiling point of the first solvent.

公开(公告)号：US09772569B2

公开(公告)日：2017-09-26

申请号：US15169399

申请日：2016-05-31

申请人： CANON KABUSHIKI KAISHA

发明人： Daisuke Tanaka ,  Kazumichi Sugiyama ,  Takeshi Murakami ,  Daisuke Kawaguchi ,  Yota Ito

IPC分类号： G03G5/14 ,  G03G15/00 ,  G03G21/18

CPC分类号： G03G5/144 ,  G03G15/75 ,  G03G21/18

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.

公开(公告)号：US09665020B2

公开(公告)日：2017-05-30

申请号：US14664678

申请日：2015-03-20

申请人： CANON KABUSHIKI KAISHA

发明人： Daisuke Miura ,  Yota Ito ,  Takashi Anezaki ,  Hirofumi Kumoi

IPC分类号： G03G5/04 ,  G03G5/07 ,  G03G5/06 ,  G03G5/05 ,  G03G5/147

CPC分类号： G03G5/078 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/0605 ,  G03G5/0614 ,  G03G5/14756 ,  G03G5/14773

摘要： A charge transporting layer of an electrophotographic photosensitive member contains a polysiloxane resin having a terminal structure represented by the formula (1), at least one selected from the group consisting of a polycarbonate resin A having a structural unit represented by the formula (A) and a polyarylate resin B having a structural unit represented by the formula (B), and a charge transporting substance, wherein the content of the siloxane structure in the polysiloxane resin is not less than 0.5% by mass and not more than 10% by mass based on the total mass of whole resin in the charge transporting layer.

公开(公告)号：US09494880B2

公开(公告)日：2016-11-15

申请号：US14647788

申请日：2013-11-18

申请人： CANON KABUSHIKI KAISHA

发明人： Kazunori Noguchi ,  Daisuke Tanaka ,  Kazumichi Sugiyama ,  Yota Ito ,  Michiyo Sekiya ,  Kunihiko Sekido ,  Atsushi Okuda ,  Nobuhiro Nakamura ,  Yuka Ishiduka

IPC分类号： G03G5/14 ,  G03G5/05 ,  G03G5/06 ,  G03G5/147

CPC分类号： G03G5/0564 ,  G03G5/0542 ,  G03G5/0614 ,  G03G5/0696 ,  G03G5/142 ,  G03G5/144 ,  G03G5/14708 ,  G03G5/14726

摘要： The present invention relates to an electrophotographic photosensitive member including an undercoat layer containing metal oxide particles, a binder resin, and an organic acid metal salt having at least one metal element selected from the group consisting of bismuth, zinc, cobalt, iron, nickel, and copper.

摘要翻译： 本发明涉及一种电子照相感光构件，其包含含有金属氧化物颗粒的底涂层，粘合剂树脂和具有选自铋，锌，钴，铁，镍等的至少一种金属元素的有机酸金属盐， 和铜。

公开(公告)号：US20160252829A1

公开(公告)日：2016-09-01

申请号：US15054009

申请日：2016-02-25

申请人： CANON KABUSHIKI KAISHA

发明人： Masataka Kawahara ,  Hirotoshi Uesugi ,  Akihiro Maruyama ,  Hirofumi Kumoi ,  Masato Tanaka ,  Hiroyuki Tomono ,  Shoma Hinata ,  Yota Ito ,  Daisuke Miura ,  Takashi Anezaki ,  Tatsuya Yamaai ,  Kazumichi Sugiyama

IPC分类号： G03G15/00

CPC分类号： G03G5/0564 ,  G03G5/047 ,  G03G5/0525 ,  G03G5/0592 ,  G03G5/0596

摘要： An electrophotographic photosensitive member has a support, a charge generation layer, and a charge transport layer in this order, the charge transport layer containing a charge transport material. The charge transport layer is a surface layer of the electrophotographic photosensitive member and contains a polycarbonate resin having a structural unit selected from group A and a structural unit selected from group B (groups A and B defined in the disclosure).

摘要翻译： 电子照相感光构件依次具有载体，电荷产生层和电荷输送层，电荷输送层含有电荷输送材料。 电荷传输层是电子照相感光构件的表面层，并且含有具有选自A组的结构单元和选自B组（在本公开中限定的组A和B）的结构单元的聚碳酸酯树脂。

公开(公告)号：US20150277246A1

公开(公告)日：2015-10-01

申请号：US14736105

申请日：2015-06-10

申请人： CANON KABUSHIKI KAISHA

发明人： Kenichi Kaku ,  Michiyo Sekiya ,  Kunihiko Sekido ,  Atsushi Okuda ,  Nobuhiro Nakamura ,  Yota Ito ,  Hiroyuki Tomono ,  Yuka Ishiduka

IPC分类号： G03G15/00

CPC分类号： G03G5/047 ,  G03G5/04 ,  G03G5/043 ,  G03G5/055 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0605 ,  G03G5/0607 ,  G03G5/0614 ,  G03G5/0648 ,  G03G5/0651 ,  G03G5/0675 ,  G03G5/0696 ,  G03G5/075 ,  G03G5/076 ,  G03G5/142

摘要： An electrophotographic photosensitive member has a laminated body, and a hole transporting layer formed on the laminated body, wherein the laminated body is a laminated body having a conductive support, an electron transporting layer and a charge generating layer. When an impedance is measured by forming a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm on a surface of the charge generating layer of the laminated body by sputtering, and applying an alternating electric field of 100 mV and 0.1 Hz between the conductive support and the gold electrode, the laminated body of the electrophotographic photosensitive member satisfies the following expression (1): R_opt/R_dark≦0.95  (1)

摘要翻译： 电子照相感光构件具有层叠体和形成在层叠体上的空穴传输层，其中层叠体是具有导电性载体，电子传输层和电荷产生层的层叠体。 当通过溅射在层压体的电荷产生层的表面上形成厚度为300nm，直径为10mm的圆形金电极来测量阻抗时，并施加100mV的交变电场， 电感光敏元件的层叠体满足以下表达式（1）：R_opt / R_dark＆nlE; 0.95（1）在导电性支持体与金电极之间为0.1Hz，