公开(公告)号：US08524433B2

公开(公告)日：2013-09-03

申请号：US12917697

申请日：2010-11-02

申请人： Takatsugu Doi ,  Wataru Yamada ,  Yuko Iwadate ,  Katsumi Nukada

发明人： Takatsugu Doi ,  Wataru Yamada ,  Yuko Iwadate ,  Katsumi Nukada

IPC分类号： G03G5/04

CPC分类号： G03G21/18 ,  G03G5/14734 ,  G03G5/1476 ,  G03G5/14769

摘要： An electrophotographic photoconductor includes a conductive substrate and an outermost surface layer formed on the conductive substrate and containing a binder resin and a copolymer derived from a reactive monomer having charge transport property and a reactive monomer having no charge transport property, the copolymer having a side chain with 4 or more carbon atoms in a constitutional unit derived from the reactive monomer having no charge transport property.

摘要翻译： 电子照相感光体包括导电性基材和形成在导电性基材上的最外表面层，含有粘合剂树脂和衍生自具有电荷输送性的反应性单体的共聚物和不具有电荷输送性的反应性单体，该共聚物具有侧链 在不具有电荷传输性的反应性单体得到的结构单元中具有4个以上的碳原子。

公开(公告)号：US08273510B2

公开(公告)日：2012-09-25

申请号：US12877671

申请日：2010-09-08

申请人： Katsumi Nukada ,  Wataru Yamada ,  Tsuyoshi Miyamoto ,  Kenya Sonobe ,  Takatsugu Doi

发明人： Katsumi Nukada ,  Wataru Yamada ,  Tsuyoshi Miyamoto ,  Kenya Sonobe ,  Takatsugu Doi

IPC分类号： G03G5/00

CPC分类号： G03G5/14756 ,  G03G5/0546 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/075 ,  G03G5/076 ,  G03G5/14734

摘要： The present invention provides an electrophotographic photoreceptor including a photosensitive layer on a conductive substrate, an outermost layer of the electrophotographic photoreceptor including a cured film of a composition which includes at least one charge transporting compound (a) having a charge transporting skeleton and at least two structural units represented by R—O—CO—CR′═CH—R″ in the same molecule, and at least one polycarbonate resin; a ratio (IA/IC) of an absorption peak intensity (IA) resulting from stretching vibration of a carbonyl group originating from the structural unit represented by R—O—CO—CR′═CH—R″ of the charge transporting compound (a) to an absorption peak intensity (IC) resulting from stretching vibration of a carbonyl group originating from the polycarbonate resin in an IR absorption spectrum of the outermost layer being from about 0.5 to about 10, and a width at half maximum of the absorption peak of the absorption peak intensity (IA) being about 25 cm−1 or more.

摘要翻译： 本发明提供了一种电子照相感光体，其包括在导电性基材上的感光层，电子照相感光体的最外层，具有包含至少一种具有电荷输送性骨架的电荷输送性化合物（a）和至少两种 在同一分子中由R-O-CO-CR' = CH-R表示的结构单元和至少一种聚碳酸酯树脂; 由电荷输送性化合物的R-O-CO-CR' = CH-R“表示的结构单元的羰基的伸缩振动引起的吸收峰强度（IA）的比（IA / IC） ）与最外层的红外吸收光谱中来自聚碳酸酯树脂的羰基的伸缩振动产生的吸收峰强度（IC）为约0.5〜约10，吸收峰的峰值宽度为 吸收峰强度（IA）为约25cm -1以上。

公开(公告)号：US08043776B2

公开(公告)日：2011-10-25

申请号：US12049684

申请日：2008-03-17

申请人： Wataru Yamada ,  Katsumi Nukada

发明人： Wataru Yamada ,  Katsumi Nukada

IPC分类号： G03G5/00

摘要： An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer provided on or above the conductive support, the photosensitive layer having an outermost layer comprising a cured product of a composition comprising a curable resin, a surfactant containing a fluorine atom, and a charge transporting organic compound having a specific structure.

公开(公告)号：US07727692B2

公开(公告)日：2010-06-01

申请号：US11714895

申请日：2007-03-07

申请人： Wataru Yamada ,  Katsumi Nukada

发明人： Wataru Yamada ,  Katsumi Nukada

IPC分类号： G03G15/05

CPC分类号： G03G5/14791 ,  G03G5/0514 ,  G03G5/0532 ,  G03G5/0553 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/142 ,  G03G5/144 ,  G03G5/14708 ,  G03G5/14743 ,  G03G5/14786 ,  G03G5/14795

摘要： An electrophotographic photoreceptor comprises: an electroconductive support; and a photosensitive layer on the electroconductive support, wherein the photosensitive layer comprises a functional layer, the functional layer comprising: a compound having a triple bond and a hydroxyl group in a molecule; and a cured product of a curable resin.

摘要翻译： 电子照相感光体包括：导电载体; 以及在所述导电载体上的感光层，其中所述感光层包括功能层，所述功能层包含：分子中具有三键和羟基的化合物; 和可固化树脂的固化产物。

公开(公告)号：US08883381B2

公开(公告)日：2014-11-11

申请号：US12857870

申请日：2010-08-17

申请人： Katsumi Nukada ,  Wataru Yamada ,  Tsuyoshi Miyamoto ,  Kenya Sonobe ,  Takatsugu Doi

发明人： Katsumi Nukada ,  Wataru Yamada ,  Tsuyoshi Miyamoto ,  Kenya Sonobe ,  Takatsugu Doi

IPC分类号： G03G15/00 ,  G03G5/147 ,  G03G9/097 ,  G03G9/08 ,  G03G21/00 ,  G03G5/06 ,  G03G5/07 ,  G03G9/087

CPC分类号： G03G21/0011 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/071 ,  G03G5/075 ,  G03G5/076 ,  G03G5/14791 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09733 ,  G03G9/09775 ,  G03G2215/00957

摘要： The present invention provides an image forming apparatus including: an electrophotographic photoreceptor; a charging unit; an electrostatic latent image forming unit that forms an electrostatic latent image; a developing unit that develops the electrostatic latent image formed at the electrophotographic photoreceptor by a developer to form a toner image, the developing unit storing the developer containing a toner having toner particles containing a crystalline resin and having a shape factor SF1 of from 100 to 150, a volume average particle diameter of from 3 to 6 μm, and fluorocarbon-based resin particles as an external additive; a transfer unit; and a cleaning unit that cleans the surface of the electrophotographic photoreceptor with a blade containing urethane rubber, the blade disposed applying a pressure to the electrophotographic photoreceptor surface of 0.20 mN/mm or more.

摘要翻译： 本发明提供一种图像形成装置，包括：电子照相感光体; 充电单元; 形成静电潜像的静电潜像形成单元; 显影单元，其通过显影剂显影形成在电子照相感光体上的静电潜像，以形成调色剂图像，所述显影单元存储含有调色剂的显影剂，所述调色剂具有含有结晶性树脂的调色剂颗粒，并且其形状系数SF1为100-150 ，体积平均粒径为3〜6μm，氟碳系树脂粒子为外部添加剂; 转运单位 以及清洁单元，其用包含聚氨酯橡胶的叶片清洁电子照相感光体的表面，所述刀片设置在电子照相感光体表面上施加0.20mN / mm以上的压力。

公开(公告)号：US08815480B2

公开(公告)日：2014-08-26

申请号：US13089993

申请日：2011-04-19

申请人： Kenya Sonobe ,  Katsumi Nukada ,  Wataru Yamada ,  Takatsugu Doi ,  Tsuyoshi Miyamoto

发明人： Kenya Sonobe ,  Katsumi Nukada ,  Wataru Yamada ,  Takatsugu Doi ,  Tsuyoshi Miyamoto

IPC分类号： G03G15/00 ,  G03G5/147 ,  G03G5/06 ,  G03G5/07

CPC分类号： G03G5/14791 ,  G03G5/0605 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0612 ,  G03G5/0614 ,  G03G5/075 ,  G03G5/076 ,  G03G5/14747 ,  G03G5/14786 ,  G03G5/14795 ,  G03G2215/00957

摘要： To provide an electrophotographic photoreceptor including the outermost surface layer formed from a cured film of a composition containing a compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule and a chain transfer agent having a sulfur atom in a molecule, in which the reaction rate of the compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule is about 90% to about 100% and the charge mobility of the cured film at an electric field intensity of 1.0×105 v/cm is from about 5.0×10−7 cm2/Vs to about 1.0×10−4 cm2/Vs.

摘要翻译： 为了提供一种电子照相感光体，其包括由分子中含有具有链可聚合官能团和电荷输送性骨架的化合物和分子中具有硫原子的链转移剂的组合物的固化膜形成的最表面层，其中， 分子中具有链可聚合官能团和电荷输送性骨架的化合物的反应速率为约90％〜约100％，电场强度为1.0×105v / cm的固化膜的电荷迁移率为 约5.0×10 -7 cm 2 / Vs至约1.0×10 -4 cm 2 / Vs。

公开(公告)号：US08748070B2

公开(公告)日：2014-06-10

申请号：US13218013

申请日：2011-08-25

申请人： Katsumi Nukada ,  Kenya Sonobe ,  Wataru Yamada ,  Takatsugu Doi ,  Tsuyoshi Miyamoto ,  Yuko Iwadate

发明人： Katsumi Nukada ,  Kenya Sonobe ,  Wataru Yamada ,  Takatsugu Doi ,  Tsuyoshi Miyamoto ,  Yuko Iwadate

IPC分类号： G03G5/07 ,  G03G5/06 ,  C07C323/52 ,  C07C323/12 ,  C07C323/29 ,  G03G15/00

CPC分类号： G03G15/751 ,  C07C323/12 ,  C07C323/29 ,  C07C323/52 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0614 ,  G03G5/062

摘要： Provided is a thiol group-containing charge transporting material represented by the following general formula (1): F-[(G)a1-(X)a2—Y—SH]b  (1) wherein F represents an organic group derived from a charge transporting compound, G represents a divalent organic group having 1 to 5 carbon atoms, X represents a group selected from a —CO—O— group, an —O—CO— group, and an —O— group, Y represents a divalent organic group having 1 to 5 carbon atoms, a1 and a2 each independently represent 0 or 1, and b represents an integer of 1 or more and 6 or less.

摘要翻译： 提供由以下通式（1）表示的含硫醇基的电荷输送材料：F - [（G）a1-（X）a2-Y-SH] b（1）其中F表示衍生自 电荷输送性化合物，G表示碳原子数1〜5的二价有机基团，X表示-CO-O-基，-O-CO-基和-O-基，Y表示二价 具有1至5个碳原子的有机基团，a1和a2各自独立地表示0或1，b表示1以上6以下的整数。

公开(公告)号：US06986978B2

公开(公告)日：2006-01-17

申请号：US10318076

申请日：2002-12-13

申请人： Katsumi Nukada ,  Wataru Yamada ,  Rie Ishii ,  Mieko Seki

发明人： Katsumi Nukada ,  Wataru Yamada ,  Rie Ishii ,  Mieko Seki

IPC分类号： G03G21/10 ,  G03G15/00

CPC分类号： G03G5/005 ,  G03G5/078 ,  G03G21/00 ,  G03G2215/00987 ,  G03G2221/183

摘要： An apparatus for forming an image that can stably provide an image for a long period of time is provided by using an electrophotographic photoreceptor having, as the outermost layer, a hard film containing one or more of a charge transporting organic silicon compound. It is an apparatus for forming an image containing a photoreceptor having, as an outermost layer, a hard film containing one or more of a charge transporting organic silicon compound represented by the following general formula (I), the outermost layer having a wear rate of about from 5 to 30 nm per 1,000 revolutions of the photoreceptor: F-[D-A]b.   (I)

摘要翻译： 通过使用具有作为最外层的含有一种或多种电荷输送有机硅化合物的硬膜的电子照相感光体，提供了能够长时间稳定地提供图像的图像形成装置。 作为包含感光体的图像的装置，是具有作为最外层的含有以下通式（I）表示的电荷输送性有机硅化合物中的一种以上的硬膜的感光体，最外层的磨损率为 每1000转感光体约5至30nm：<？in-line-formula description =“In-line Formulas”end =“lead”？> F- [DA] B 。 （I）<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US08669029B2

公开(公告)日：2014-03-11

申请号：US13430242

申请日：2012-03-26

申请人： Tomoya Sasaki ,  Katsumi Nukada ,  Wataru Yamada ,  Takatsugu Doi ,  Yuko Iwadate ,  Kenji Kajiwara

发明人： Tomoya Sasaki ,  Katsumi Nukada ,  Wataru Yamada ,  Takatsugu Doi ,  Yuko Iwadate ,  Kenji Kajiwara

IPC分类号： G03G15/02

CPC分类号： G03G5/0618 ,  C07C211/54 ,  C07C219/32 ,  C07C229/42 ,  C07C229/60 ,  C07C237/20 ,  C07C251/86 ,  C07C2601/14 ,  C07C2603/18 ,  G03G5/0614 ,  G03G5/071 ,  G03G15/75 ,  H01L51/0059 ,  H01L51/5056

摘要： Provided is a reactive compound represented by the following General Formula (I): wherein in General Formula (I), F represents a charge transporting skeleton, D represents a group represented by the following General Formula (III), and m represents an integer of from 1 to 8: wherein in General Formula (III), L1 represents a divalent linking group including one or more —C(═O)—O— groups.

摘要翻译： 提供由以下通式（I）表示的反应性化合物：其中，在通式（I）中，F表示电荷输送性骨架，D表示由以下通式（III）表示的基团，m表示 1至8：其中在通式（III）中，L 1表示包含一个或多个-C（= O）-O-基团的二价连接基团。

公开(公告)号：US08609311B2

公开(公告)日：2013-12-17

申请号：US13197416

申请日：2011-08-03

申请人： Wataru Yamada ,  Takatsugu Doi ,  Katsumi Nukada

发明人： Wataru Yamada ,  Takatsugu Doi ,  Katsumi Nukada

IPC分类号： G03G5/00

CPC分类号： G03G5/0614 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/071 ,  G03G2215/00957

摘要： Provided is an electrophotographic photoreceptor including: a functional layer containing: a polymer of a first compound having a chain polymerizable functional group and a charge transporting skeleton in one molecule, and at least one second compound selected from a compound including at least one kind of the repeating unit represented by formula (AA) and having a weight average molecular weight of 10000 or less, a compound including at least one kind of the repeating unit represented by formula (BB) and having a weight average molecular weight of 10000 or less, a phthalic ester, a trimellitic ester, a fatty acid ester, a polyhydric alcohol ester, and a polyhydric alcohol ether.

摘要翻译： 本发明提供一种电子照相感光体，包括：功能层，其含有：分子中具有链状可聚合官能团和电荷输送性骨架的第一化合物的聚合物，以及至少一种选自包含至少一种 由式（AA）表示的重均分子量为10000以下的重复单元，包含式（BB）表示的重均单元和至少一种重均分子量为10000以下的化合物， 邻苯二甲酸酯，偏苯三酸酯，脂肪酸酯，多元醇酯和多元醇醚。