公开(公告)号：US08652716B2

公开(公告)日：2014-02-18

申请号：US13217947

申请日：2011-08-25

申请人： Masahiro Iwasaki ,  Jiro Korenaga ,  Yuko Yamano ,  Yukimi Kawabata ,  Daisuke Haruyama

发明人： Masahiro Iwasaki ,  Jiro Korenaga ,  Yuko Yamano ,  Yukimi Kawabata ,  Daisuke Haruyama

IPC分类号： G03G15/04 ,  G03G15/02

CPC分类号： G03G15/75 ,  G03G5/0539 ,  G03G5/0564 ,  G03G5/0567 ,  G03G5/0571 ,  G03G5/0575 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/0696 ,  G03G5/1476 ,  G03G5/14765 ,  G03G5/14769 ,  G03G5/14791

摘要： Provided is an electrophotographic photoreceptor having a conductive substrate and a photosensitive layer, such that the layer constituting the outermost surface of the photosensitive layer is formed by polymerizing a cross-linkable charge transporting material having a reactive hydroxyl group and a cross-linkable charge transporting material having a reactive alkoxy group, and the ionization potential of the outer surface of the layer constituting the outermost surface is higher by about 0.1 eV or more than the ionization potential of the inner surface of the layer constituting the outermost surface.

摘要翻译： 提供一种具有导电基底和感光层的电子照相感光体，使得构成感光层的最表面的层通过聚合具有反应性羟基的可交联电荷输送材料和可交联电荷输送材料 具有反应性烷氧基，构成最外表面的层的外表面的电离电位高于构成最外表面的层的内表面的电离电位约0.1eV以上。

公开(公告)号：US08741512B2

公开(公告)日：2014-06-03

申请号：US13612153

申请日：2012-09-12

申请人： Masahiro Iwasaki ,  Yuko Yamano ,  Yukimi Kawabata

发明人： Masahiro Iwasaki ,  Yuko Yamano ,  Yukimi Kawabata

IPC分类号： G03G5/04

CPC分类号： C07C219/32 ,  G03G5/0603 ,  G03G5/0607 ,  G03G5/0614 ,  G03G15/75

摘要： Provided is an additive for an electrophotographic photoreceptor which is represented by Formula (I): wherein, A represents an m-valent organic group derived from arylamine represented by Formula (II) or Formula (III); T represents a divalent hydrocarbon group having from 1 to 10 carbon atoms; Rf represents a branched hydrocarbon group having from 3 to 10 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom; l represents 0 or 1; and m represents an integer of 1 to 4: wherein, Ar1, Ar2, and Ar3 each independently represent a substituted or unsubstituted aryl group having from 6 to 20 carbon atoms; Ar4, Ar5, Ar6, and Ar7 each independently represent a substituted or unsubstituted aryl group having from 6 to 20 carbon atoms; and X represents a divalent organic group represented by Formula (IV), Formula (V), or Formula (VI):

摘要翻译： 提供由式（I）表示的电子照相感光体的添加剂：其中，A表示由式（II）或式（III）表示的由芳基胺衍生的m价有机基团。 T表示具有1至10个碳原子的二价烃基; Rf表示具有3〜10个碳原子的支链烃基，其中至少一个氢原子被氟原子取代; l表示0或1; m表示1〜4的整数，式中，Ar 1，Ar 2和Ar 3分别独立地表示取代或未取代的碳原子数为6〜20的芳基。 Ar 4，​​Ar 5，Ar 6和Ar 7各自独立地表示取代或未取代的碳原子数为6〜20的芳基。 X表示由式（IV），式（V）或式（VI）表示的二价有机基团：

公开(公告)号：US08669028B2

公开(公告)日：2014-03-11

申请号：US13052405

申请日：2011-03-21

申请人： Yukimi Kawabata ,  Yuko Yamano ,  Kazuyuki Tada ,  Kenji Ikeda ,  Mitsuhide Nakamura

发明人： Yukimi Kawabata ,  Yuko Yamano ,  Kazuyuki Tada ,  Kenji Ikeda ,  Mitsuhide Nakamura

IPC分类号： G03G5/147

CPC分类号： G03G15/751 ,  G03G5/0525 ,  G03G5/0539 ,  G03G5/0575 ,  G03G5/0614 ,  G03G5/071 ,  G03G5/14726 ,  G03G5/14769 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795 ,  G03G2215/00957

摘要： An electrophotographic photoreceptor is provided, which includes: a substrate; a photosensitive layer; and a surface protective layer, in this order, in which the protective layer contains a crosslinked product of a curable charge transporting material in a content of from about 90 to 98% by weight, and fluorinated resin particles in a content of from about 2 to 10% by weight, and the protective layer satisfies Formula (1): 0.5≦b/a≦1, wherein, “a” represents a ratio of fluorine atoms to the sum of carbon atoms, oxygen atoms, and fluorine atoms present in a region of the protective layer ranging from the photosensitive layer side surface thereof to a point corresponding to about ⅔ of the thickness thereof, and “b” represents the ratio in a region of the protective layer ranging from the outer surface thereof to a point corresponding to about ⅓ of the thickness thereof.

摘要翻译： 提供电子照相感光体，其包括：基板; 感光层; 和表面保护层，其中保护层含有约90至98重量％含量的可固化电荷输送材料的交联产物，含氟树脂颗粒的含量为约2至 10重量％，保护层满足式（1）：0.5≤b/a≤1，其中，“a”表示氟原子与碳原子之间存在的碳原子，氧原子和氟原子之和的比例 保护层的区域从感光层侧表面到对应于其厚度的约2/3的点，“b”表示保护层的从其外表面到点的区域中的比例 对应于其厚度的约1/3。