公开(公告)号：US07267916B2

公开(公告)日：2007-09-11

申请号：US10893302

申请日：2004-07-19

申请人： Akihiro Sugino ,  Shinji Nousho ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Hideo Nakamori ,  Hidetoshi Kami ,  Yasuyuki Yamashita

发明人： Akihiro Sugino ,  Shinji Nousho ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Hideo Nakamori ,  Hidetoshi Kami ,  Yasuyuki Yamashita

IPC分类号： G03G5/147

CPC分类号： G03G5/14726 ,  G03G5/0539

摘要： An electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes a particulate fluorine-containing resin, and wherein a primary particle of the particulate fluorine-containing resin and a secondary particle formed of agglomerated primary particles thereof, which are projected from a surface of the outermost layer and have an average particle diameter of from 0.15 to 3 μm, are present in an area ratio not less than 10% based on total surface area of the outermost layer.

摘要翻译： 一种电子照相感光体，包括导电性基体和位于导电性基体上的感光层，其中电子照相感光体的最外层含有含氟树脂颗粒，其中形成含氟树脂粒子和二次粒子的一次粒子 从最外层的表面突出而具有0.15〜3μm的平均粒径的聚集的一次粒子的面积比以最外层的总表面积为10％以上。

公开(公告)号：US20050053853A1

公开(公告)日：2005-03-10

申请号：US10893302

申请日：2004-07-19

申请人： Akihiro Sugino ,  Shinji Nousho ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Hideo Nakamori ,  Hidetoshi Kami ,  Yasuyuki Yamashita

发明人： Akihiro Sugino ,  Shinji Nousho ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Hideo Nakamori ,  Hidetoshi Kami ,  Yasuyuki Yamashita

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

CPC分类号： G03G5/14726 ,  G03G5/0539

摘要： An electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes a particulate fluorine-containing resin, and wherein a primary particle of the particulate fluorine-containing resin and a secondary particle formed of agglomerated primary particles thereof, which are projected from a surface of the outermost layer and have an average particle diameter of from 0.15 to 3 μm, are present in an area ratio not less than 10% based on total surface area of the outermost layer.

摘要翻译： 一种电子照相感光体，包括导电性基体和位于导电性基体上的感光层，其中电子照相感光体的最外层含有含氟树脂颗粒，其中形成含氟树脂粒子和二次粒子的一次粒子 从最外层的表面突出而具有0.15〜3μm的平均粒径的聚集的一次粒子的面积比以最外层的总表面积为10％以上。

公开(公告)号：US20050026058A1

公开(公告)日：2005-02-03

申请号：US10900204

申请日：2004-07-28

申请人： Hidetoshi Kami ,  Shinji Nousho ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Hideo Nakamori ,  Akihiro Sugino ,  Yasuyuki Yamashita

发明人： Hidetoshi Kami ,  Shinji Nousho ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Hideo Nakamori ,  Akihiro Sugino ,  Yasuyuki Yamashita

IPC分类号： G03G5/047 ,  G03G5/05 ,  G03G5/07 ,  G03G5/147

CPC分类号： G03G5/14734 ,  G03G5/047 ,  G03G5/0539 ,  G03G5/0546 ,  G03G5/14726

摘要： An electrophotographic photoreceptor including an electroconductive substrate; a photosensitive layer overlying the electroconductive substrate optionally via an undercoat layer; and optionally a protective layer overlying the photosensitive layer, wherein an outermost layer of the electrophotographic photoreceptor comprises a binder resin; a particulate fluorine-containing resin in an amount of from 20 to 70% by volume based on total volume of the outermost layer, wherein a surface free energy of the particulate fluorine-containing resin is larger than a surface free energy of the binder resin; and a fluorochemical surfactant in an amount of from 5 to 70% by weight based on total weight of the binder resin.

摘要翻译： 包含导电基片的电子照相感光体; 可选地通过底涂层覆盖导电基材上的感光层; 以及任选的覆盖感光层的保护层，其中电子照相感光体的最外层包含粘合剂树脂; 相对于最外层的总体积为20〜70体积％的颗粒状含氟树脂，其中，含氟树脂颗粒的表面自由能大于粘合剂树脂的表面自由能; 和基于粘合剂树脂的总重量的5-70重量％的含氟表面活性剂。

公开(公告)号：US07314693B2

公开(公告)日：2008-01-01

申请号：US10938585

申请日：2004-09-13

申请人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

发明人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

IPC分类号： G03G5/047

CPC分类号： G03G5/14708 ,  G03G5/0614

摘要： The present invention relates to an electrophotographic photoconductor comprising a photoconductive layer, a protective layer, and a conductive support, wherein the protective layer is disposed as the outermost layer of the photoconductive layer, and 20% by volume to 60% by volume of fine particles of fluorine-contained resin and at least one compound selected from amine aromatic compounds and hydroxy aromatic compounds are incorporated into the protective layer.According to the present invention, high durability may be achieved, image degradation such as lags may be controlled from the increase of residual potential and decrease of charging, and high quality images may be formed stably even after the prolonged and repeated usage.The present invention also relates to an electrophotographic process, an electrophotographic apparatus and a process cartridge for the electrophotographic apparatus which utilize the electrophotographic photoconductor respectively.

摘要翻译： 本发明涉及一种包括光电导层，保护层和导电载体的电子照相感光体，其中保护层被设置为光电导层的最外层，并且20体积％至60体积％的细颗粒 的含氟树脂和至少一种选自胺芳族化合物和羟基芳族化合物的化合物引入到保护层中。 根据本发明，可以实现高耐久性，可以从残留电位的增加和充电的减少来控制诸如滞后的图像劣化，并且即使在长时间和重复使用之后也可以稳定地形成高质量的图像。 本发明还涉及分别利用电子照相感光体的电子照相方法，电子照相设备和用于电子照相设备的处理盒。

公开(公告)号：US20050118518A1

公开(公告)日：2005-06-02

申请号：US10938585

申请日：2004-09-13

申请人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

发明人： Takaaki Ikegami ,  Shinji Nohsho ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Akihiro Sugino ,  Yasuyuki Yamashita ,  Hideo Nakamori ,  Takeshi Takada

IPC分类号： G03G5/047 ,  G03G5/06 ,  G03G5/147 ,  G03G13/00 ,  G03G15/00

CPC分类号： G03G5/14708 ,  G03G5/0614

摘要： The present invention relates to an electrophotographic photoconductor comprising a photoconductive layer, a protective layer, and a conductive support, wherein the protective layer is disposed as the outermost layer of the photoconductive layer, and 20% by volume to 60% by volume of fine particles of fluorine-contained resin and at least one compound selected from amine aromatic compounds and hydroxy aromatic compounds are incorporated into the protective layer. According to the present invention, high durability may be achieved, image degradation such as lags may be controlled from the increase of residual potential and decrease of charging, and high quality images may be formed stably even after the prolonged and repeated usage. The present invention also relates to an electrophotographic process, an electrophotographic apparatus and a process cartridge for the electrophotographic apparatus which utilize the electrophotographic photoconductor respectively.

摘要翻译： 本发明涉及一种包括光电导层，保护层和导电载体的电子照相感光体，其中保护层被设置为光电导层的最外层，并且20体积％至60体积％的细颗粒 的含氟树脂和至少一种选自胺芳族化合物和羟基芳族化合物的化合物引入到保护层中。 根据本发明，可以实现高耐久性，可以从残留电位的增加和充电的减少来控制诸如滞后的图像劣化，并且即使在长时间和重复使用之后也可以稳定地形成高质量的图像。 本发明还涉及分别利用电子照相感光体的电子照相方法，电子照相设备和用于电子照相设备的处理盒。

公开(公告)号：US20110170884A1

公开(公告)日：2011-07-14

申请号：US12929204

申请日：2011-01-07

申请人： Jun Yamane ,  Yasushi Nakazato ,  Kohji Ue ,  Masahide Yamashita ,  Mikiko Imazeki ,  Yasuo Suzuki ,  Michio Kimura ,  Takaaki Ikegami ,  Yoshiaki Kawasaki ,  Hideo Nakamori ,  Akihiro Sugino

发明人： Jun Yamane ,  Yasushi Nakazato ,  Kohji Ue ,  Masahide Yamashita ,  Mikiko Imazeki ,  Yasuo Suzuki ,  Michio Kimura ,  Takaaki Ikegami ,  Yoshiaki Kawasaki ,  Hideo Nakamori ,  Akihiro Sugino

IPC分类号： G03G15/00

CPC分类号： G03G15/55 ,  G03G2221/1606

摘要： An image carrier deterioration degree evaluating apparatus for evaluating a degree of deterioration of an image carrier of an image forming apparatus, the image carrier deterioration degree evaluating apparatus including: an image deletion detecting unit that detects image deletion by obtaining latent image information written on the image carrier; an image deletion reducing unit that performs a process of reducing image deletion when the image deletion detecting unit detects image deletion, and an image carrier deterioration degree evaluating unit that drives the image deletion detecting unit and the image deletion reducing unit alternately one or more times each, and evaluates a degree of deterioration of the image carrier by using the latent image information obtained one or more times by the image deletion detecting unit.

摘要翻译： 一种用于评估图像形成装置的图像载体的劣化程度的图像载体劣化度评估装置，所述图像载体劣化程度评估装置包括：图像删除检测单元，其通过获得写入所述图像的潜像信息来检测图像删除 载体 一种图像删除减少单元，其在图像删除检测单元检测到图像删除时执行减少图像删除的处理;以及图像载体劣化度评估单元，每次交替地驱动图像删除检测单元和图像删除减少单元一次或多次 并且通过使用由图像删除检测单元一次或多次获得的潜像信息来评估图像载体的劣化程度。

公开(公告)号：US08472818B2

公开(公告)日：2013-06-25

申请号：US12929204

申请日：2011-01-07

申请人： Jun Yamane ,  Yasushi Nakazato ,  Kohji Ue ,  Masahide Yamashita ,  Mikiko Imazeki ,  Yasuo Suzuki ,  Michio Kimura ,  Takaaki Ikegami ,  Yoshiaki Kawasaki ,  Hideo Nakamori ,  Akihiro Sugino

发明人： Jun Yamane ,  Yasushi Nakazato ,  Kohji Ue ,  Masahide Yamashita ,  Mikiko Imazeki ,  Yasuo Suzuki ,  Michio Kimura ,  Takaaki Ikegami ,  Yoshiaki Kawasaki ,  Hideo Nakamori ,  Akihiro Sugino

IPC分类号： G03G15/00

CPC分类号： G03G15/55 ,  G03G2221/1606

摘要： An image carrier deterioration degree evaluating apparatus for evaluating a degree of deterioration of an image carrier of an image forming apparatus, the image carrier deterioration degree evaluating apparatus including: an image deletion detecting unit that detects image deletion by obtaining latent image information written on the image carrier; an image deletion reducing unit that performs a process of reducing image deletion when the image deletion detecting unit detects image deletion, and an image carrier deterioration degree evaluating unit that drives the image deletion detecting unit and the image deletion reducing unit alternately one or more times each, and evaluates a degree of deterioration of the image carrier by using the latent image information obtained one or more times by the image deletion detecting unit.

摘要翻译： 一种用于评估图像形成装置的图像载体的劣化程度的图像载体劣化度评估装置，所述图像载体劣化程度评估装置包括：图像删除检测单元，其通过获得写入所述图像的潜像信息来检测图像删除 载体 一种图像删除减少单元，其在图像删除检测单元检测到图像删除时执行减少图像删除的处理;以及图像载体劣化度评估单元，每次交替地驱动图像删除检测单元和图像删除减少单元一次或多次 并且通过使用由图像删除检测单元一次或多次获得的潜像信息来评估图像载体的劣化程度。

公开(公告)号：US07964327B2

公开(公告)日：2011-06-21

申请号：US11762296

申请日：2007-06-13

申请人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

发明人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

IPC分类号： G03G5/047

CPC分类号： G03G5/14708 ,  G03G5/0525 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0679 ,  G03G5/14704 ,  G03G5/14734 ,  G03G5/14752

摘要： An electrophotographic photoreceptor, including an electroconductive substrate; and a photosensitive layer, located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes an amine compound and a charge transport material, and wherein the amine compound includes an amine site having an electrostatic potential with a dimensionless unit not greater than −0.27.

摘要翻译： 电子照相感光体，包括导电性基材; 以及位于导电基底上的感光层，其中电子照相感光体的最外层包括胺化合物和电荷输送材料，并且其中胺化合物包括具有静电势的胺位点，其具有不大于 - 0.27。

公开(公告)号：US20070287083A1

公开(公告)日：2007-12-13

申请号：US11762296

申请日：2007-06-13

申请人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

发明人： Masanobu Gondoh ,  Akihiro Sugino ,  Hideo Nakamori ,  Shinji Nohsho ,  Tomoyuki Shimada ,  Takaaki Ikegami

IPC分类号： G03G5/147

CPC分类号： G03G5/14708 ,  G03G5/0525 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0679 ,  G03G5/14704 ,  G03G5/14734 ,  G03G5/14752

摘要： An electrophotographic photoreceptor, including an electroconductive substrate; and a photosensitive layer, located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes an amine compound and a charge transport material, and wherein the amine compound includes an amine site having an electrostatic potential with a dimensionless unit not greater than −0.27.

摘要翻译： 电子照相感光体，包括导电性基材; 以及位于导电基底上的感光层，其中电子照相感光体的最外层包括胺化合物和电荷输送材料，并且其中胺化合物包括具有静电势的胺位点，其具有不大于 - 0.27。

公开(公告)号：US08007972B2

公开(公告)日：2011-08-30

申请号：US11521493

申请日：2006-09-15

申请人： Eiji Kurimoto ,  Keisuke Shimoyama ,  Michio Kimura ,  Shinichi Kawamura ,  Takeshi Takada ,  Yasuyuki Yamashita ,  Naohiro Toda ,  Hideo Nakamori

发明人： Eiji Kurimoto ,  Keisuke Shimoyama ,  Michio Kimura ,  Shinichi Kawamura ,  Takeshi Takada ,  Yasuyuki Yamashita ,  Naohiro Toda ,  Hideo Nakamori

IPC分类号： G03G5/06

CPC分类号： G03G5/047 ,  G03G5/0651 ,  G03G5/0661

摘要： An object of the present invention is to provide an image forming apparatus containing an electrophotographic photoconductor, a charging unit, an exposing unit, a developing unit, a transfer unit and a cleaning unit, wherein the electrophotographic photoconductor contains a support and at least a photosensitive layer disposed on the support, wherein the photosensitive layer contains a charge generating material and a compound expressed by the following Structural Formula (1), and wherein, in the Structural Formula (1), “R1” and “R2” may be identical to each other or different, and represent any one of hydrogen atom, alkyl group which may be substituted, cycloalkyl group which may be substituted and aralkyl group which may be substituted. “R3”, “R4”, “R5”, “R6”, “R7”, “R8”, “R9”, “R10”, “R11”, “R12”, “R13” and “R14” may be identical to each other or different, and represent any one of hydrogen atom, halogen atom, cyano group, nitro group, amino group, hydroxyl group, alkyl group which may be substituted, cycloalkyl group which may be substituted and aralkyl group which may be substituted. “n” is a number of replication and represents an integer of 0 to 100.

摘要翻译： 本发明的目的是提供一种包含电子照相感光体，充电单元，曝光单元，显影单元，转印单元和清洁单元的图像形成设备，其中电子照相感光体含有载体和至少一种感光 层，其中感光层包含电荷产生材料和由以下结构式（1）表示的化合物，并且其中在结构式（1）中，“R1”和“R2”可以相同 彼此或不同，并且表示氢原子，可被取代的烷基，可被取代的环烷基和可被取代的芳烷基中的任何一个。 “R3”，“R4”，“R5”，“R6”，“R7”，“R8”，“R9”，“R10”，“R11”，“R12”，“R13”和“R14” 表示氢原子，卤素原子，氰基，硝基，氨基，羟基，可以被取代的烷基，可被取代的环烷基和可以被取代的芳烷基中的任意一种。 “n”是复制数，表示0〜100的整数。