公开(公告)号：US20090136260A1

公开(公告)日：2009-05-28

申请号：US12323096

申请日：2008-11-25

申请人： Takaaki IKEGAMI ,  Takeshi Takada ,  Toshihiko Koizumi ,  Hideki Nakamura ,  Hajime Suzuki ,  Keisuke Shimoyama ,  Kohsuke Yamamoto ,  Eiji Kurimoto

发明人： Takaaki IKEGAMI ,  Takeshi Takada ,  Toshihiko Koizumi ,  Hideki Nakamura ,  Hajime Suzuki ,  Keisuke Shimoyama ,  Kohsuke Yamamoto ,  Eiji Kurimoto

IPC分类号： G03G15/00

CPC分类号： G03G5/0614 ,  G03G5/0605 ,  G03G5/0668 ,  G03G5/0679 ,  G03G5/0683 ,  G03G15/75

摘要： An electrophotographic photoconductor including a conductive support and a photosensitive layer, wherein the photosensitive layer contains a charge generation agent, a charge transport agent and a binder resin, and wherein the charge generation agent contains an asymmetric disazo pigment represented by General Formula (I), the charge transport agent contains a triphenylamine compound represented General Formula (IX), and the mass ratio of the charge transport agent to the binder resin is 0.3 to 2.0, where R1 and R2 each represent a substituted or unsubstituted alkyl group, alkoxy group, aryl group or heterocyclic group, provided that R1 and R2 are different, where R3 to R5 each represent hydrogen, a halogen atom, an alkyl group having 1 to 6 carbon atoms, which may have a substituent, an alkoxy group having 1 to 6 carbon atoms, which may have a substituent, or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms.

摘要翻译： 一种电子照相感光体，包括导电性支持体和感光层，其中感光层含有电荷产生剂，电荷输送剂和粘合剂树脂，其中电荷产生剂含有由通式（I）表示的不对称双偶氮颜料， 电荷输送剂含有通式（IX）所示的三苯胺化合物，电荷输送剂与粘合剂树脂的质量比为0.3〜2.0，其中，R1和R2各自表示取代或未取代的烷基，烷氧基，芳基 基团或杂环基团，条件是R 1和R 2不同，其中R 3至R 5各自表示氢，卤素原子，具有1至6个碳原子的烷基，其可以具有取代基，具有1至6个碳原子的烷氧基 ，或可以具有取代基的取代或未取代的碳原子数为6〜12的芳基。

公开(公告)号：US08263297B2

公开(公告)日：2012-09-11

申请号：US12323096

申请日：2008-11-25

申请人： Takaaki Ikegami ,  Takeshi Takada ,  Toshihiko Koizumi ,  Hideki Nakamura ,  Hajime Suzuki ,  Keisuke Shimoyama ,  Kohsuke Yamamoto ,  Eiji Kurimoto

发明人： Takaaki Ikegami ,  Takeshi Takada ,  Toshihiko Koizumi ,  Hideki Nakamura ,  Hajime Suzuki ,  Keisuke Shimoyama ,  Kohsuke Yamamoto ,  Eiji Kurimoto

IPC分类号： G03G5/047 ,  G03G5/06

CPC分类号： G03G5/0614 ,  G03G5/0605 ,  G03G5/0668 ,  G03G5/0679 ,  G03G5/0683 ,  G03G15/75

摘要： An electrophotographic photoconductor including a conductive support and a photosensitive layer, wherein the photosensitive layer contains a charge generation agent, a charge transport agent and a binder resin, and wherein the charge generation agent contains an asymmetric disazo pigment represented by General Formula (I), the charge transport agent contains a triphenylamine compound represented General Formula (IX), and the mass ratio of the charge transport agent to the binder resin is 0.3 to 2.0, where R1 and R2 each represent a substituted or unsubstituted alkyl group, alkoxy group, aryl group or heterocyclic group, provided that R1 and R2 are different, where R3 to R5 each represent hydrogen, a halogen atom, an alkyl group having 1 to 6 carbon atoms, which may have a substituent, an alkoxy group having 1 to 6 carbon atoms, which may have a substituent, or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms.

摘要翻译： 一种电子照相感光体，包括导电性支持体和感光层，其中感光层含有电荷产生剂，电荷输送剂和粘合剂树脂，其中电荷产生剂含有由通式（I）表示的不对称双偶氮颜料， 电荷输送剂含有通式（IX）所示的三苯胺化合物，电荷输送剂与粘合剂树脂的质量比为0.3〜2.0，其中，R1和R2各自表示取代或未取代的烷基，烷氧基，芳基 基团或杂环基团，条件是R 1和R 2不同，其中R 3至R 5各自表示氢，卤素原子，具有1至6个碳原子的烷基，其可以具有取代基，具有1至6个碳原子的烷氧基 ，或可以具有取代基的取代或未取代的碳原子数为6〜12的芳基。

公开(公告)号：US20100233602A1

公开(公告)日：2010-09-16

申请号：US12722124

申请日：2010-03-11

申请人： Kohsuke Yamamoto ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Keisuke Shimoyama ,  Hideki Nakamura ,  Toshihiko Koizumi ,  Hajime Suzuki

发明人： Kohsuke Yamamoto ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Keisuke Shimoyama ,  Hideki Nakamura ,  Toshihiko Koizumi ,  Hajime Suzuki

IPC分类号： G03G15/04

CPC分类号： G03G5/0514 ,  G03G5/0614 ,  G03G5/0672

摘要： An electrophotographic photoconductor including a conductive substrate, and a photosensitive layer formed on the conductive substrate, wherein the photosensitive layer contains at least a charge generation agent, a specific charge transfer agent and a specific antioxidant.

摘要翻译： 一种电子照相感光体，包括导电基底和形成在导电基底上的感光层，其中感光层至少含有电荷产生剂，特定的电荷转移剂和特定的抗氧化剂。

公开(公告)号：US08349529B2

公开(公告)日：2013-01-08

申请号：US12778590

申请日：2010-05-12

申请人： Keisuke Shimoyama ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Kohsuke Yamamoto ,  Tetsuya Sakuma ,  Toshihiko Koizumi ,  Hajime Suzuki ,  Hideki Nakamura

发明人： Keisuke Shimoyama ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Kohsuke Yamamoto ,  Tetsuya Sakuma ,  Toshihiko Koizumi ,  Hajime Suzuki ,  Hideki Nakamura

IPC分类号： G03G15/02

CPC分类号： G03G5/0672 ,  G03G5/0614 ,  G03G15/75

摘要： An electrophotographic photoconductor including a conductive substrate and a photoconductive layer thereover, wherein the photoconductive layer contains a charge generation agent and a charge transport agent represented by General Formula (A-I), (B-I) or (C-I), and an amine compound represented by General Formula (II): where R1-3 each represent hydrogen, halogen or (un)substituted C1-6 alkyl, and n is 1 or 2, where R1-2 each represent C1-6 alkyl and R3-6 each represent hydrogen, halogen or (un)substituted C1-6 alkyl, where R8-33 each represent hydrogen, C1-4 alkyl, C1-4 alkoxy, or (un)substituted phenyl, and may be identical or different, where A and B each represent a group represented by formula (i) or (ii), and may be identical or different: —CH2X  formula (i) —CH2CH2Y  formula (ii) where X and Y each represent an (un)substituted aromatic group.

摘要翻译： 一种电子照相感光体，包括导电基底和其上的光电导层，其中光电导层含有通式（AI），（BI）或（CI）表示的电荷产生剂和电荷传输剂，以及由General 式（II）：其中R1-3各自表示氢，卤素或（未）取代的C1-6烷基，n为1或2，其中R1-2各自表示C1-6烷基，R3-6各自表示氢，卤素 或（取代）取代的C 1-6烷基，其中R 8 -33各自表示氢，C 1-4烷基，C 1-4烷氧基或（取代）取代的苯基，并且可以相同或不同，其中A和B各自表示基团 由式（i）或（ii）表示，并且可以相同或不同：-CH 2 X式（i）-CH 2 CH 2 Y式（ⅱ）其中X和Y各自表示（取代的）取代的芳基。

公开(公告)号：US20100290807A1

公开(公告)日：2010-11-18

申请号：US12778590

申请日：2010-05-12

申请人： Keisuke SHIMOYAMA ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Kohsuke Yamamoto ,  Tetsuya Sakuma ,  Toshihiko Koizumi ,  Hajime Suzuki ,  Hideki Nakamura

发明人： Keisuke SHIMOYAMA ,  Takaaki Ikegami ,  Eiji Kurimoto ,  Kohsuke Yamamoto ,  Tetsuya Sakuma ,  Toshihiko Koizumi ,  Hajime Suzuki ,  Hideki Nakamura

IPC分类号： G03G15/00 ,  G03G5/047

CPC分类号： G03G5/0672 ,  G03G5/0614 ,  G03G15/75

摘要： An electrophotographic photoconductor including a conductive substrate and a photoconductive layer thereover, wherein the photoconductive layer contains a charge generation agent and a charge transport agent represented by General Formula (A-I), (B-I) or (C-I), and an amine compound represented by General Formula (II): where R1-3 each represent hydrogen, halogen or (un)substituted C1-6 alkyl, and n is 1 or 2, where R1-2 each represent C1-6 alkyl and R3-6 each represent hydrogen, halogen or (un)substituted C1-6 alkyl, where R8-33 each represent hydrogen, C1-4 alkyl, C1-4 alkoxy, or (un)substituted phenyl, and may be identical or different, where A and B each represent a group represented by formula (i) or (ii), and may be identical or different: —CH2X   formula (i) —CH2CH2Y   formula (ii) where X and Y each represent an (un)substituted aromatic group.

摘要翻译： 一种电子照相感光体，包括导电基底和其上的光电导层，其中光电导层含有通式（AI），（BI）或（CI）表示的电荷产生剂和电荷传输剂，以及由General 式（II）：其中R1-3各自表示氢，卤素或（未）取代的C1-6烷基，n为1或2，其中R1-2各自表示C1-6烷基，R3-6各自表示氢，卤素 或（取代）取代的C 1-6烷基，其中R 8 -33各自表示氢，C 1-4烷基，C 1-4烷氧基或（取代）取代的苯基，并且可以相同或不同，其中A和B各自表示基团 由式（i）或（ii）表示，并且可以相同或不同：-CH 2 X式（i）-CH 2 CH 2 Y式（ⅱ）其中X和Y各自表示（取代的）取代的芳基。

公开(公告)号：US08278016B2

公开(公告)日：2012-10-02

申请号：US12480702

申请日：2009-06-09

申请人： Keisuke Shimoyama ,  Eiji Kurimoto ,  Takaaki Ikegami ,  Kohsuke Yamamoto ,  Tadayoshi Uchida ,  Takumi Shinohara ,  Hajime Suzuki

发明人： Keisuke Shimoyama ,  Eiji Kurimoto ,  Takaaki Ikegami ,  Kohsuke Yamamoto ,  Tadayoshi Uchida ,  Takumi Shinohara ,  Hajime Suzuki

IPC分类号： G03G5/06

CPC分类号： G03G5/0517 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0611 ,  G03G5/0614 ,  G03G5/0668 ,  G03G5/0672

摘要： An electrophotographic photoconductor including an electroconductive support and a photoconductive layer provided thereon, wherein the photoconductive layer includes a charge generating material, an electron transporting material and a hole transporting material, the electron transporting material being a diphenoquinone compound represented by formula (1) described herein, the hole transporting material being a compound represented by formula (2) described herein.

摘要翻译： 一种电子照相感光体，包括导电载体和设置在其上的光电导层，其中光电导层包括电荷产生材料，电子传输材料和空穴传输材料，电子传输材料是本文所述的由式（1）表示的联苯醌化合物 ，空穴传输材料是由本文所述的式（2）表示的化合物。

公开(公告)号：US20070059618A1

公开(公告)日：2007-03-15

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： G03G5/147 ,  G03G5/047

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，其中感光层含有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，“R”1“ 和“R”2“可以彼此相同或不同，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一个。 “R”3“，”R 4“，”R 5“，”R 6“，”R“ “9”，“R 8”，“R 9”，“R 10”，“R” > 11“，”R“12”，“R 13”和“R 14”可以彼此相同或 不同，表示氢原子，卤素原子，氰基，硝基，氨基，羟基，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。 “n”是复制数，表示0〜100的整数。

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。

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：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。