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    ORGANIC PHOTORECEPTOR
    1.
    发明申请
    ORGANIC PHOTORECEPTOR 有权
    有机光电器

    公开(公告)号：US20130316277A1

    公开(公告)日：2013-11-28

    申请号：US13875504

    申请日：2013-05-02

    Applicant: KONICA MINOLTA, INC.

    Inventor： Mari KONISHI ,  Keiichi INAGAKI ,  Toshiyuki FUJITA

    IPC: G03G5/147

    CPC classification number: G03G5/14734 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/09 ,  G03G5/14704 ,  G03G5/14708 ,  G03G5/1473 ,  G03G5/14791

    Abstract: The invention provides a means for improving the abrasion resistance and the scratch resistance of a protection layer by increasing the surface hardness of the protection layer of an organic photoreceptor. The invention is an organic photoreceptor constituted by laminating on an electroconductive substrate, a photosensitive layer and a protection layer successively, wherein the protection layer comprises a charge transport substance represented by the following general formula (1), a resin component obtained by curing a curable compound and tin oxide treated with a surface preparation agent having a reactive organic group, and a silica particle; in the general formula (1), R1 and R2 are each independently hydrogen atoms or methyl groups, and R3 is a straight-chain or branched alkyl group having 1 to 5 carbon atoms.

    Abstract translation: 本发明提供了通过提高有机感光体的保护层的表面硬度来提高保护层的耐磨性和耐划伤性的手段。 本发明是通过在导电性基材，感光层和保护层上依次层叠而形成的有机感光体，其中保护层包含由以下通式（1）表示的电荷输送物质，其通过将可固化 用具有反应性有机基团的表面处理剂处理的化合物和氧化锡和二氧化硅颗粒; 在通式（1）中，R 1和R 2各自独立地为氢原子或甲基，R 3为具有1〜5个碳原子的直链或支链烷基。

    Electrophotographic Photoreceptor and Image Formation Apparatus
    4.
    发明申请
    Electrophotographic Photoreceptor and Image Formation Apparatus 审中-公开
    电子照相感光体和成像装置

    公开(公告)号：US20100290808A1

    公开(公告)日：2010-11-18

    申请号：US12808155

    申请日：2009-07-16

    Applicant: Akihiko Itami

    Inventor： Akihiko Itami

    IPC: G03G15/00

    CPC classification number: C07C211/54 ,  G03G5/056 ,  G03G5/0609 ,  G03G5/0614 ,  G03G5/076 ,  G03G5/09

    Abstract: The present invention is characterized in that an electrophotographic photoreceptor comprises an electrically conductive support and provided thereon, a charge generation layer and a charge transport layer in that order, wherein the charge transport layer contains a resin having a repeating unit represented by the following formula (1), a charge transport material represented by the following formula (2), and an ultraviolet absorbent in an amount of from 0.1 to 30.0% by weight based on the weight of the charge transport material, and can provide an organic photoreceptor exhibiting high thin line reproduction, employing a small diameter exposure light spot, and excellent durability capable of forming a stable image for a long period, wherein even when an image is repeatedly formed at high speed, exposure electric potential variation is reduced and image memory generation is prevented, and an image formation apparatus employing the organic photoreceptor.

    Abstract translation: 本发明的特征在于，电子照相感光体包括导电性支持体，依次设置有电荷产生层和电荷输送层，其中电荷输送层含有具有下式所示重复单元的树脂（ 1），由下式（2）表示的电荷输送材料和基于电荷输送材料的重量的0.1至30.0重量％的紫外线吸收剂，并且可以提供显示出高度薄的有机感光体 使用小直径曝光光点的线再现，以及能够长时间形成稳定图像的优异的耐久性，其中即使当高速重复形成图像时，曝光电位变化减小，并且防止图像存储器生成， 以及使用有机感光体的图像形成装置。

    Electrophotography type lithographic form plate for laser beam
    8.
    发明授权
    Electrophotography type lithographic form plate for laser beam 失效
    用于激光束的电子照相式平版印版

    公开(公告)号：US5460912A

    公开(公告)日：1995-10-24

    申请号：US072338

    申请日：1993-06-04

    Applicant: Hideyuki Yamamoto ,  Kazumasa Hijikata

    Inventor： Hideyuki Yamamoto ,  Kazumasa Hijikata

    IPC: G03G5/05 ,  G03G5/06 ,  G03G5/08 ,  G03G5/09 ,  G03G13/28

    CPC classification number: G03G5/09 ,  G03G5/067

    Abstract: The present invention is to provide an electrophotography type lithographic form plate having a high sensitivity and a superior photosensitive characteristic as a photosensitive material for a semiconductor laser beam as well as having an excellent printability as a lithographic form plate. The form plate comprises an electroconductive support member and a photosensitive layer formed thereon and containing a sensitizer mainly consisting of zinc oxide and a binder resin, wherein the sensitizer is at least one compound selected from a group of dye compounds represented by the following general formula (I), and a total acid value of the binder resin is within a range of 3.0 through 10.0. ##STR1## wherein, in the above formula, n represents 2 or 3; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hyrogen atoms, lower alkyl groups, lower alkoxy groups, or halogen atoms, and X-represents an acid anion.

    Abstract translation: 本发明提供一种具有高灵敏度和优异的光敏特性的电子照相式平版印刷版，作为半导体激光束的感光材料，并具有优良的印刷性，作为平版印刷版。 形成板包括导电支撑构件和形成在其上的感光层，并且包含主要由氧化锌和粘合剂树脂组成的敏化剂，其中敏化剂是选自以下通式表示的一组染料化合物中的至少一种化合物 I），粘合剂树脂的总酸值在3.0〜10.0的范围内。 （I）其中，在上式中，n表示2或3; R1，R2，R3和R4表示氢原子，低级烷基，低级烷氧基或卤原子，X代表酸阴离子。

    Electrophotographic lithograph printing plate material having a mixture of sensitizing dyes
    9.
    发明授权
    Electrophotographic lithograph printing plate material having a mixture of sensitizing dyes 失效
    具有敏感染料混合物的电子照相平版印刷材料

    公开(公告)号：US5213930A

    公开(公告)日：1993-05-25

    申请号：US783439

    申请日：1991-10-28

    Applicant: Masahiro Yamana ,  Koji Sato

    Inventor： Masahiro Yamana ,  Koji Sato

    IPC: C09B23/00 ,  G03G5/06 ,  G03G5/09 ,  G03G13/28

    CPC classification number: G03G5/09 ,  G03G5/067

    Abstract: An electrophotographic lithograph printing plate material having an enhanced sensitivity to laser rays, an excellent heat resistance and a low dark decay comprises an electroconductive, water-resistant substrate and an electrophotographic layer comprising a photoconductive zinc oxide, a resinous binder and a sensitizing dye material which comprises at least one compound (A) of the formula (I) and at least one compound (B) of the formula (II): ##STR1## wherein each of A.sub.1 and A.sub.2 represents a C.sub.5-7 polymethine group non-substituted or substituted with at least one substituent, for example, --Cl, the substituted polymethine group may have a cyclic structure, for example, of: ##STR2## each of from B.sub.1 to B.sub.4 is a divalent non-substituted or substituted, benzene or naphthalene group, each of from X.sub.1 to X.sub.4 is a S, Se, or O atom or a --C(CH.sub.3).sub.2 -- group, each of from R.sub.1 to R.sub.4 is a C.sub.1-5 alkyl group, each of M.sub.1 and M.sub.5 is a metal atom, organic base or hydrogen atom, each of Y.sub.1 and Y.sub.2 is an anion, and m and n is zero or 1 but when n= 1, m= 1 and when n= 0, m= 0 and --R.sub.3 COO group adjacent to the (M.sub.1).sub.m group in the formula (II) is anionic, the weight ratio of the compound (A) to the compound (B) being 3:1 to 20:1.

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