公开(公告)号：US20120028179A1

公开(公告)日：2012-02-02

申请号：US13156750

申请日：2011-06-09

申请人： Hongguo LI ,  Kazukiyo NAGAI ,  Tetsuro SUZUKI

发明人： Hongguo LI ,  Kazukiyo NAGAI ,  Tetsuro SUZUKI

IPC分类号： G03G5/04 ,  G03G21/18 ,  G03G15/00 ,  G03G13/16

CPC分类号： G03G5/14708 ,  G03G5/0521 ,  G03G5/0546 ,  G03G5/14734 ,  G03G5/14791

摘要： An electrophotographic photoreceptor, including an electroconductive substrate; a charge generation layer; a hole transport layer; and a hole transportable protection layer being a three-dimensional crosslinked film formed by irradiating at least a radical polymerizable hole transportable compound with UV to be chain-polymerized, layered in this order, wherein the hole transportable protection layer comprises a silole compound having the following formula (1): wherein each of R1 and R2 represents a monovalent alkyl group having 1 to 4 carbon atoms or a monovalent phenyl group; Each of Ar1 to Ar4 represents a phenyl group, a naphtyl group and a biphenylyl group or a phenyl group, a naphtyl group and a biphenylyl group substituted with a monovalent alkyl group having 1 to 4 carbon atoms and a trifluoromethyl group; and R1, R2 and Ar1 to Ar4 adjacent to each other optionally connect with each other to form rings.

摘要翻译： 电子照相感光体，包括导电性基材; 电荷产生层; 空穴传输层; 以及空穴传输保护层，其为通过至少将可自由基聚合的空穴输送性化合物与要进行链式聚合的UV进行照射而形成的三维交联膜，其中所述空穴传输性保护层包含具有以下物质的硫醇化合物 式（1）：其中R1和R2各自表示碳原子数为1〜4的一价烷基或一价苯基; Ar 1〜Ar 4分别表示苯基，萘基，联苯基或苯基，萘基和被1〜4个碳原子的一价烷基取代的联苯基和三氟甲基。 并且彼此相邻的R1，R2和Ar1〜Ar4可以相互连接形成环。

公开(公告)号：US20130122409A1

公开(公告)日：2013-05-16

申请号：US13670022

申请日：2012-11-06

申请人： Yuusuke KOIZUKA ,  Yuuji TANAKA ,  Kazukiyo NAGAI ,  Tetsuro SUZUKI

发明人： Yuusuke KOIZUKA ,  Yuuji TANAKA ,  Kazukiyo NAGAI ,  Tetsuro SUZUKI

IPC分类号： G03G15/00 ,  G03G21/18

CPC分类号： G03G15/75 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/14704 ,  G03G5/14769 ,  G03G5/14786 ,  G03G5/14791

摘要： An electrophotographic photoconductor including: an electrically conductive substrate; and at least a photoconductive layer on the electrically conductive substrate, wherein the electrophotographic photoconductor includes an uppermost surface layer, and the uppermost surface layer includes an inorganic filler, an acidic disperser and a three-dimensionally crosslinked polymer, wherein the three-dimensionally crosslinked polymer is formed through polymerization among compounds each containing a charge transporting compound and three or more [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups where the charge transporting compound has one or more aromatic rings and the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups are bound to the aromatic rings of the charge transporting compound, and wherein the polymerization proceeds after some of the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups have been partially cleaved and eliminated with an acid catalyst.

摘要翻译： 一种电子照相感光体，包括：导电基底; 以及导电性基板上的至少一层光电导层，其中电子照相感光体包括最上表面层，最表面层包括无机填料，酸性分散剂和三维交联聚合物，其中三维交联的聚合物 是通过在各自含有电荷输送化合物和三（或四氢-2H-吡喃-2-基）氧基]甲基的化合物之间的聚合形成的，其中电荷输送化合物具有一个或多个芳环，并且[（四氢-2H- - 吡喃-2-基）氧基]甲基与电荷输送化合物的芳香环结合，并且其中在[（四氢-2H-吡喃-2-基）氧基]甲基的一些已经被 用酸催化剂部分裂解和去除。

公开(公告)号：US20170343908A1

公开(公告)日：2017-11-30

申请号：US15590047

申请日：2017-05-09

申请人： Ryohta TAKAHASHI ,  Akihiro SUGINO ,  Eiji KURIMOTO ,  Hidetoshi KAMI ,  Keisuke SHIMOYAMA ,  Tetsuro SUZUKI ,  Tomoharu ASANO ,  Toshihiro ISHIDA

发明人： Ryohta TAKAHASHI ,  Akihiro SUGINO ,  Eiji KURIMOTO ,  Hidetoshi KAMI ,  Keisuke SHIMOYAMA ,  Tetsuro SUZUKI ,  Tomoharu ASANO ,  Toshihiro ISHIDA

IPC分类号： G03G5/05 ,  G03G5/147 ,  G03G15/20 ,  G03G15/01

CPC分类号： G03G5/051 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0631 ,  G03G5/142 ,  G03G5/144 ,  G03G5/14708 ,  G03G15/01 ,  G03G15/20 ,  G03G2215/00957

摘要： A photoconductor is provided. The photoconductor includes a support, an undercoat layer overlying the support, and a photosensitive layer overlying the undercoat layer. The undercoat layer includes a binder resin and a zinc oxide particle. The photosensitive layer includes a compound represented by the following formula (1): where each of R1 and R2 independently represents an alkyl group or an aromatic hydrocarbon group.

公开(公告)号：US20150168856A1

公开(公告)日：2015-06-18

申请号：US14558061

申请日：2014-12-02

申请人： Eiji KURIMOTO ,  Tetsuro SUZUKI ,  Tomoharu ASANO ,  Daisuke NII ,  Toshihiro ISHIDA

发明人： Eiji KURIMOTO ,  Tetsuro SUZUKI ,  Tomoharu ASANO ,  Daisuke NII ,  Toshihiro ISHIDA

IPC分类号： G03G15/00

CPC分类号： G03G5/144 ,  G03G5/0542 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/0696 ,  G03G5/142 ,  G03G5/14708 ,  G03G5/14791

摘要： A photoconductor is provided. The photoconductor includes an electroconductive substrate; an intermediate layer located overlying the electroconductive substrate; and a photosensitive layer located overlying the intermediate layer. The intermediate layer includes at least a resin, and a particulate zinc oxide that includes sodium, sulfur and calcium in amounts of from 10 ppm to 200 ppm, from 50 ppm to 500 ppm, and from 10 ppm to 200 ppm, respectively.

摘要翻译： 提供光电导体。 光电导体包括导电基片; 位于导电基底上方的中间层; 以及位于中间层上方的感光层。 中间层至少包含一种树脂和包含钠，硫和钙的颗粒状氧化锌，其含量分别为10ppm至200ppm，50ppm至500ppm，10ppm至200ppm。

公开(公告)号：US20160327877A1

公开(公告)日：2016-11-10

申请号：US15133915

申请日：2016-04-20

申请人： Eiji KURIMOTO ,  Tetsuro SUZUKI ,  Tomoharu ASANO ,  Daisuke NII ,  Toshihiro ISHIDA

发明人： Eiji KURIMOTO ,  Tetsuro SUZUKI ,  Tomoharu ASANO ,  Daisuke NII ,  Toshihiro ISHIDA

IPC分类号： G03G15/00

CPC分类号： G03G5/0517 ,  G03G5/0507 ,  G03G5/144 ,  G03G15/75 ,  G03G21/18

摘要： Provided is a photoconductor including a conductive support, an intermediate layer containing metal oxide particles, and a photoconductive layer. The intermediate layer and the photoconductive layer are provided over the conductive support in the order of reciting. An elastic power (We/Wt value) of the intermediate layer is greater than or equal to 20.0% but less than 35.0%. A Martens hardness (HM) of the intermediate layer is greater than or equal to 350 [N/mm2] but less than 450 [N/mm2].

摘要翻译： 提供一种感光体，其包含导电性支持体，含有金属氧化物粒子的中间层和光电导层。 中间层和光电导层按背面的顺序提供在导电支架上。 中间层的弹性功率（We / Wt值）大于或等于20.0％但小于35.0％。 中间层的马氏硬度（HM）大于或等于350 [N / mm2]但小于450 [N / mm2]。