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    Photoconductor image forming apparatus image forming process and process cartridge
    8.
    发明公开
    Photoconductor image forming apparatus image forming process and process cartridge 有权
    感光图像产生装置，图像形成方法和处理盒

    公开(公告)号：EP1530098A3

    公开(公告)日：2007-09-26

    申请号：EP04256688.5

    申请日：2004-10-29

    申请人： Ricoh Company, Ltd.

    发明人： Tamoto, Nozomu ,  Niima, Tatsuya ,  Suzuki, Tetsuro ,  Ohta, Katsuichi

    IPC分类号： G03G5/06 ,  G03G5/07 ,  G03G5/047

    CPC分类号： G03G5/0592 ,  G03G5/0546 ,  G03G5/0589 ,  G03G5/0696 ,  G03G5/071

    摘要： The object of the present invention is to provide a photoconductor that is highly sensitive, stable in image quality under repeated usages, and affords prolonged life.
    In order attain the object, a photoconductor is provided that comprises a charge generating layer, a charge transporting layer, and a crosslinked charge transporting layer, on an substrate in order,
        the charge generating layer contains titanyl phthalocyanine crystal particles that exhibit a highest peak at 27.2°, main peaks at 9.4°, 9.6° and 24.0°, a peak at 7.3° as the lowest angle, and with no peaks in a range between 7.3° and 9.4°, and with no peak at 26.3° as Bragg 2θ angles (± 0.2°) in terms of CuK-α characteristic X-ray wavelength at 1.542 Å, and the averaged primary particle size of the titanyl phthalocyanine crystal particles is 0.25 µm or less, and
        the crosslinked charge transporting layer contains a reaction product of a radical polymerizable monomer having three or more functionalities and no charge transporting structure and a radical polymerizable compound having one functionality and a charge transporting structure, and the thickness of the crosslinked charge transporting layer is 1 to 10 µm.

    Electrophotographic photoconductor and method for producing the same, image forming apparatus, and process cartridge
    9.
    发明公开
    Electrophotographic photoconductor and method for producing the same, image forming apparatus, and process cartridge 有权
    电照相光导及其制造方法，图像形成设备和处理盒

    公开(公告)号：EP1898262A1

    公开(公告)日：2008-03-12

    申请号：EP07116033.7

    申请日：2007-09-10

    申请人： Ricoh Company, Ltd.

    发明人： Tada, Hiromi ,  Tamoto, Nozomu ,  Ohta, Katsuichi

    IPC分类号： G03G5/047 ,  G03G5/06

    CPC分类号： G03G5/047 ,  G03G5/0607 ,  G03G5/0614 ,  G03G5/0622 ,  G03G5/0629 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0674

    摘要： There is provided an electrophotographic photoconductor containing a conductive substrate, and a photosensitive layer, disposed thereon, containing a charge transporting material having a triarylamine structure represented by General Formula 1, and wherein the photosensitive layer satisfies Mathematical Formula 1 when peak heights in raman scattering spectra of the triarylamine structure are measured at a wavenumber of 1,324±2cm -1 by a confocal raman spectroscopy using z-polarized light:

    where Ar 1 , Ar 2 , and Ar 3 are substituted or unsubstituted aromatic hydrocarbon groups, and Ar 1 and Ar 2 , Ar 2 and Ar 3 , and Ar 3 and Ar 1 are optionally combined to form heterocyclic rings, respectively, ϵ = I inside / I surface ≥ 1.1 where I (inside) represents the peak height in of the raman scattering spectrum obtained at a depth of 5 µm or more from the photosensitive layer surface and I (surface) represents the peak height in the raman scattering spectrum obtained at a depth of less than 5 µm from the photosensitive layer surface.

    摘要翻译： 有被设置在电子照相感光体包含导电性基板和感光层，设置在其上，将含有具有由通式1表示的三芳基胺结构的电荷输送材料，和worin感光层SATIS外资企业数学式1当峰值高度在拉曼散射光谱 其中Ar 1中，Ar 2，和Ar 3是substituiertem奥德unsubstituiertem芳族烃基，和Ar 1和Ar 2：三芳基胺结构的在通过共焦拉曼光谱的1324±2厘米-1的波数使用z偏振光的光测定 中，Ar 2和Ar 3，和Ar 3和Ar 1是任选地组合形成杂环，分别，O =我内部/ I表面‰¥1.1，其中I（内部）在获得拉曼散射光谱的darstellt峰值高度 5微米或更从感光层表面的深度和I（表面）darstellt在拉曼散射光谱的峰高以更小的深度获得 比从感光层表面5微米。

    Photoconductor image forming apparatus image forming process and process cartridge
    10.
    发明公开
    Photoconductor image forming apparatus image forming process and process cartridge 有权
    感光体图像形成装置图像形成过程和处理盒

    公开(公告)号：EP1530098A8

    公开(公告)日：2005-07-20

    申请号：EP04256688.5

    申请日：2004-10-29

    申请人： Ricoh Company, Ltd.

    发明人： Tamoto, Nozomu ,  Niima, Tatsuya ,  Suzuki, Tetsuro ,  Ohta, Shoichi

    IPC分类号： G03G5/06 ,  G03G5/07 ,  G03G5/047

    CPC分类号： G03G5/0592 ,  G03G5/0546 ,  G03G5/0589 ,  G03G5/0696 ,  G03G5/071

    摘要： The object of the present invention is to provide a photoconductor that is highly sensitive, stable in image quality under repeated usages, and affords prolonged life. In order attain the object, a photoconductor is provided that comprises a charge generating layer, a charge transporting layer, and a crosslinked charge transporting layer, on an substrate in order,    the charge generating layer contains titanyl phthalocyanine crystal particles that exhibit a highest peak at 27.2°, main peaks at 9.4°, 9.6° and 24.0°, a peak at 7.3° as the lowest angle, and with no peaks in a range between 7.3° and 9.4°, and with no peak at 26.3° as Bragg 2θ angles (± 0.2°) in terms of CuK-α characteristic X-ray wavelength at 1.542 Å, and the averaged primary particle size of the titanyl phthalocyanine crystal particles is 0.25 µm or less, and    the crosslinked charge transporting layer contains a reaction product of a radical polymerizable monomer having three or more functionalities and no charge transporting structure and a radical polymerizable compound having one functionality and a charge transporting structure, and the thickness of the crosslinked charge transporting layer is 1 to 10 µm.

    摘要翻译： 本发明的目的是提供高度灵敏的光电导体，在重复使用下图像质量稳定，并且延长寿命。 为了实现该目的，提供了一种光电导体，该光电导体包含电荷产生层，电荷输送层和交联电荷输送层，在电荷产生层上依次包含钛氧基酞菁晶体颗粒，该钛氧基酞菁晶体颗粒在 27.2°，9.4°，9.6°和24.0°处的主峰，7.3°处的峰作为最低角，并且在7.3°和9.4°之间的范围内没有峰，并且在26.3°处没有峰，如布拉格2θ角 （±0.2°），并且所述钛氧基酞菁晶体颗粒的平均初级粒径为0.25μm或更小，并且所述交联电荷输送层含有以下物质的反应产物： 具有三个或更多官能度且不具有电荷输送结构的自由基聚合性单体和具有一个官能度和电荷输送性结构的自由基可聚合化合物， 交联电荷输送层的厚度为1至10μm。