公开(公告)号：US09423706B2

公开(公告)日：2016-08-23

申请号：US14082680

申请日：2013-11-18

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masaki Nonaka ,  Hideaki Nagasaka ,  Masato Tanaka

IPC: G03G5/07 ,  G03G5/047 ,  G03G5/06 ,  G03G5/147

CPC classification number: G03G5/047 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/071 ,  G03G5/076 ,  G03G5/14717 ,  G03G5/1473 ,  G03G5/14734

Abstract: An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. A surface layer of the electrophotographic photosensitive member contains a polymerized product of a composition that contains a charge transporting compound having a particular group (polymerizable functional group).

Abstract translation: 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。 电子照相感光构件的表面层含有含有具有特定基团的电荷输送性化合物（聚合性官能团）的组合物的聚合物。

公开(公告)号：US20150093695A1

公开(公告)日：2015-04-02

申请号：US14498158

申请日：2014-09-26

Applicant: CANON KABUSHIKI KAISHA

Inventor： Hiroyuki Tomono ,  Kunihiko Sekido ,  Atsushi Okuda ,  Takeshi Murakami

IPC: G03G15/00

CPC classification number: G03G5/0605 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0675 ,  G03G5/0696 ,  G03G5/105 ,  G03G5/144

Abstract: An electrophotographic photosensitive member includes a laminated body including a conductive support, a first intermediate layer on the conductive support, and a second intermediate layer on the first intermediate layer, the first intermediate layer containing a binder resin and a metal oxide particle whose surface have been treated with an organic compound, and the second intermediate layer containing a cured product having electron transportability, in which the laminated body satisfies the following expression (1): R—nV/R_0V≦0.80  (1)

Abstract translation: 电子照相感光构件包括层叠体，其包括导电性支持体，导电性支持体上的第一中间层，第一中间层上的第二中间层，含有粘合剂树脂的第一中间层和表面已经含有的金属氧化物粒子 （1）：R-nV / R_0V＆nlE; 0.80（1）其中，所述第二中间层具有电子传输性的固化物，

公开(公告)号：US20140205941A1

公开(公告)日：2014-07-24

申请号：US14152438

申请日：2014-01-10

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masashi Nishi ,  Takashi Anezaki ,  Kazuhisa Shida ,  Hirofumi Kumoi ,  Daisuke Tanaka ,  Kazumichi Sugiyama

IPC: G03G15/00 ,  G03G21/18

CPC classification number: G03G5/04 ,  G03G5/051 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/14756

Abstract: The charge transporting layer as the surface layer of an electrophotographic photosensitive member includes a charge transporting substances represented by any one of formulae (1) to (5), a specific compound, and a specific resin (binder resin). The specific compound is hexanol, heptanol, cyclohexanol, benzyl alcohol, ethylene glycol, 1,4-butanediol, 1,5-pentanediol, diethylene glycol, diethylene glycol ethyl methyl ether, ethylene carbonate, propylene carbonate, nitrobenzene, pyrrolidone, N-methylpyrrolidone, methyl benzoate, ethyl benzoate, benzyl acetate, ethyl 3-ethoxypropionate, acetophenone, methyl salicylate, dimethyl phthalate, or sulfolane.

Abstract translation: 作为电子照相感光构件的表面层的电荷输送层包括由式（1）至（5）中任一项表示的电荷输送物质，特定化合物和特定树脂（粘合剂树脂）。 特定化合物为己醇，庚醇，环己醇，苄醇，乙二醇，1,4-丁二醇，1,5-戊二醇，二甘醇，二甘醇乙基甲基醚，碳酸亚乙酯，碳酸亚丙酯，硝基苯，吡咯烷酮，N-甲基吡咯烷酮 苯甲酸甲酯，苯甲酸乙酯，乙酸苄酯，3-乙氧基丙酸乙酯，苯乙酮，水杨酸甲酯，邻苯二甲酸二甲酯或环丁砜。

公开(公告)号：US08679710B2

公开(公告)日：2014-03-25

申请号：US11317852

申请日：2005-12-22

Applicant: Daisuke Kuboshima ,  Eiichi Miyamoto ,  Kazunari Hamasaki ,  Norio Nakai ,  Yoshio Inagaki ,  Hideki Okada ,  Tetsuya Ichiguchi ,  Keiji Maruo

Inventor： Daisuke Kuboshima ,  Eiichi Miyamoto ,  Kazunari Hamasaki ,  Norio Nakai ,  Yoshio Inagaki ,  Hideki Okada ,  Tetsuya Ichiguchi ,  Keiji Maruo

IPC: G03G5/047 ,  G03G5/06

CPC classification number: G03G5/0614 ,  G03G5/047 ,  G03G5/0564 ,  G03G5/0605 ,  G03G5/0616 ,  G03G5/0666 ,  G03G5/0668

Abstract: The present invention provides an electrophotographic photoreceptor comprising a photosensitive layer that contains at least a charge generating agent, a hole transport agent and a prede mulas (A) and (B). The electrophotographic photoreceptor prevents image defect termined additive. The hole transport agent satisfies the following for from occurring and can meet the demand for higher speed image forming apparatuses, by reducing the adhesion of paper dust and preventing the occurrence of cracks. ⁢ μ M 5.0 × 10 - 6 ⁢ ⁢ μ ⁢ : ⁢ ⁢ Hole ⁢ ⁢ mobility ⁢ ⁢ ( cm 2 · V - 1 · second - 1 ) ⁢ ⁢ of ⁢ ⁢ hole ⁢ ⁢ transport ⁢ ⁢ agent ⁢ ⁢ in ⁢ ⁢ the ⁢ ⁢ electric ⁢ ⁢ field ⁢ ⁢ intensity ⁢ ⁢ of ⁢ ⁢ 3 × 10 5 ⁢ ( V / cm ) ⁢ ⁢ M ⁢ : ⁢ ⁢ Molecular ⁢ ⁢ weight ⁢ ⁢ of ⁢ ⁢ hole ⁢ ⁢ transport ⁢ ⁢ agent ( B )

Abstract translation: 本发明提供一种电子照相感光体，其包含至少含有电荷产生剂，空穴传输剂和前体（A）和（B）的光敏层。 电子照相感光体防止图像缺陷终止的添加剂。 空穴输送剂由于发生而满足以下要求，可以通过降低纸灰尘的粘附性和防止发生裂纹而满足对高速成像装置的需求。 μM <1.2×10 -8（A）μ> 5.0×10 -6表示ud孔：胡氏迁移率（cm 2·V -1·第二-1） 孔侯传输üüüéééééééééé⁢⁢⁢⁢⁢⁢⁢⁢⁢3×10 5（V / cm） （B）

公开(公告)号：US08679709B2

公开(公告)日：2014-03-25

申请号：US12049718

申请日：2008-03-17

Applicant: Katsumi Nukada ,  Wataru Yamada ,  Masahiro Iwasaki ,  Kazuhiro Koseki

Inventor： Katsumi Nukada ,  Wataru Yamada ,  Masahiro Iwasaki ,  Kazuhiro Koseki

IPC: G03G5/047 ,  G03G5/147

CPC classification number: G03G5/14791 ,  G03G5/0567 ,  G03G5/0575 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/076 ,  G03G5/1476 ,  G03G5/14769 ,  G03G2215/00957

Abstract: According to the invention, there is provided an electrophotographic photoreceptor comprising a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product composed of a guanamine compound and at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH3, —NH2, —SH, and —COOH.

Abstract translation: 根据本发明，提供了一种电子照相感光体，其包括导电基底和设置在导电基底表面上的光敏层，感光层的最外层含有由胍胺化合物组成的交联产物和至少一种电荷输送 具有至少一个选自-OH，-OCH 3，-NH 2，-SH和-COOH的取代基的材料。

公开(公告)号：US20120003574A1

公开(公告)日：2012-01-05

申请号：US12735860

申请日：2009-02-17

Applicant: Seizo Kitagawa ,  Yoichi Nakamura ,  Hiroshi Emori ,  Yasushi Tanaka ,  Hiroyuki Ichiyanagi

Inventor： Seizo Kitagawa ,  Yoichi Nakamura ,  Hiroshi Emori ,  Yasushi Tanaka ,  Hiroyuki Ichiyanagi

IPC: G03G15/00

CPC classification number: G03G5/047 ,  G03G5/0535 ,  G03G5/0616

Abstract: A positive-charging electrophotography photoreceptor includes a laminated structure having a conductive supporting member, a charge transport layer formed of at least a hole transport material and a first binder resin, and a charge generation layer formed of at least a charge generation material, hole transport material, electron transport material, and second binder resin. The charge transport layer is disposed between the conductive supporting member and the charge generation layer. The content of the charge generation material in the charge generation layer is in a range exceeding 0.7 wt % and less than 3.0 wt % of the charge generation layer.

Abstract translation: 正电荷电子照相感光体包括具有导电性支撑构件的层压结构体，至少由空穴传输材料形成的电荷传输层和第一粘合剂树脂，以及至少由电荷产生材料形成的电荷产生层， 材料，电子传输材料和第二粘合剂树脂。 电荷传输层设置在导电支撑构件和电荷产生层之间。 电荷产生层中的电荷产生材料的含量在电荷产生层的超过0.7重量％且小于3.0重量％的范围内。

公开(公告)号：US08088540B2

公开(公告)日：2012-01-03

申请号：US12161896

申请日：2007-01-18

Applicant: Katsumi Abe ,  Makoto Koike ,  Atsushi Takesue

Inventor： Katsumi Abe ,  Makoto Koike ,  Atsushi Takesue

IPC: G03G5/00

CPC classification number: G03G5/0696 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0638 ,  G03G5/064 ,  G03G5/0644

Abstract: An object of the invention is to provide a photoreceptor for electrophotography which has a low residual potential in an initial stage, is inhibited from increasing in residual potential, is prevented from decreasing in charge potential, undergoes little fatigue deterioration even upon repeated use, and is less apt to pose a problem concerning toxicity or environmental pollution. The invention relates to a photoreceptor for electrophotography which has a photosensitive layer containing an aromatic hydroxycarboxylic acid metal complex represented by the following general formula (1): and one or more charge-transporting agents each having an arylaminophenyl group in the molecule.

Abstract translation: 本发明的目的在于提供一种初始阶段具有低剩余电位，抑制残留电位增加的电子照相感光体，防止电荷电位降低，即使重复使用也几乎不会发生疲劳劣化，并且是 不太容易造成毒性或环境污染的问题。 本发明涉及一种电子照相用感光体，其具有含有下述通式（1）表示的芳香族羟基羧酸金属络合物的感光层和分子内各具有芳基氨基苯基的一种或多种电荷输送剂。

公开(公告)号：US08003286B2

公开(公告)日：2011-08-23

申请号：US12066179

申请日：2006-09-08

Applicant: Katsumi Abe ,  Makoto Koike ,  Atsushi Takesue

Inventor： Katsumi Abe ,  Makoto Koike ,  Atsushi Takesue

IPC: G03G5/06

CPC classification number: G03G5/0614 ,  G03G5/0517 ,  G03G5/0605 ,  G03G5/0616

Abstract: An object of the present invention is to provide an electrophotographic photoreceptor which is not impaired in electrophotographic properties such as charge potential and residual potential and which is also excellent in repetition stability. The invention relates to an electrophotographic photoreceptor including a conductive support having thereon a photosensitive layer containing a zirconium compound represented by the following general formula (1): and one or more charge transport agents having an arylamino group in its molecule.

Abstract translation: 本发明的一个目的是提供一种在电荷特性如电荷电位和残余电位方面不受损害并且重复稳定性也优异的电子照相感光体。 本发明涉及一种电子照相感光体，其包含导电性支持体，其上具有含有下述通式（1）表示的锆化合物的感光层和分子中具有芳基氨基的一种或多种电荷输送剂。

公开(公告)号：US07964327B2

公开(公告)日：2011-06-21

申请号：US11762296

申请日：2007-06-13

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

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

IPC: G03G5/047

CPC classification number: G03G5/14708 ,  G03G5/0525 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0679 ,  G03G5/14704 ,  G03G5/14734 ,  G03G5/14752

Abstract: 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.

Abstract translation: 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：US07795462B2

公开(公告)日：2010-09-14

申请号：US11034062

申请日：2005-01-13

Applicant: Yu Qi ,  Nan-Xing Hu ,  John F. Graham ,  Timothy P. Bender ,  Ah-Mee Hor ,  Yvan Gagnon ,  Cheng-Kuo Hsiao

Inventor： Yu Qi ,  Nan-Xing Hu ,  John F. Graham ,  Timothy P. Bender ,  Ah-Mee Hor ,  Yvan Gagnon ,  Cheng-Kuo Hsiao

IPC: C07F7/18 ,  C07F7/08

CPC classification number: G03G5/0685 ,  C07F7/1804 ,  G03G5/0605 ,  G03G5/0612 ,  G03G5/0616 ,  G03G5/0672 ,  G03G5/0674 ,  G03G5/0679 ,  G03G5/0681 ,  G03G5/0683

Abstract: An aromatic silicon-containing compound has the formula: Ar—[X-L-SiRn(OR′)3-n]m where Ar represents an aromatic group, X represents a divalent or trivalent group; L represents a divalent linking group; R represents a hydrogen atom, an alkyl group or an aryl group; R′ represents an alkyl group having 1 to 5 carbon atoms; n is an integer of from 0 to 2; and m is an integer of from 1 to 5. The aromatic silicon-containing compound can be used in electrophotographic photoreceptors, particularly in outmost protective layers of such electrophotographic photoreceptors.

Abstract translation: 芳香族含硅化合物具有下式：Ar- [X-L-SiRn（OR'）3-n] m其中Ar表示芳族基团，X表示二价或三价基团; L表示二价连接基团; R表示氢原子，烷基或芳基; R'表示碳原子数1〜5的烷基。 n为0〜2的整数。 并且m是1至5的整数。芳族含硅化合物可以用于电子照相感光体中，特别是在这种电子照相感光体的最外层的保护层中。