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230 条记录 (耗时 0.022 秒)

    Image forming apparatus, image forming method, and process cartridge
    53.
    发明公开
    Image forming apparatus, image forming method, and process cartridge 有权
    Bilderzeugungsvorrichtung，Bilderzeugungsverfahren und Prozesskartusche

    公开(公告)号：EP2017676A1

    公开(公告)日：2009-01-21

    申请号：EP08168551.3

    申请日：2007-04-17

    申请人： Ricoh Company, Ltd.

    发明人： Kawasaki, Yoshiaki ,  Yanagawa, Yoshiki ,  Hirose, Mitsuaki

    IPC分类号： G03G5/05 ,  G03G5/06 ,  G03G5/07 ,  G03G5/147

    CPC分类号： G03G5/0614 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/0592 ,  G03G5/071 ,  G03G5/14734 ,  G03G5/14739 ,  G03G5/14773 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

    摘要： The present invention provides an image forming apparatus which is equipped with at least a latent electrostatic image forming unit, a developing unit, a transferring unit, and a fixing unit, wherein the transferring unit is configured to apply a positive electric potential to a visible image formed on the latent electrostatic image bearing member via a recording medium, the latent electrostatic image member has a surface layer which comprises a hardened material hardened by irradiating at least a trifunctional or more radical polymerizable compound having no charge transporting structure, a radical polymerizable compound having a charge transporting structure, and a reactive silicone compound having any one of an acryloyloxy group and a methacryloyloxy group, and the concentration of the reactive silicone compound is varied in between the surface part and the innerlayer part of the surface layer.

    摘要翻译： 本发明提供一种图像形成装置，其至少配置有静电潜像形成单元，显影单元，转印单元和定影单元，其中转印单元被配置为向可见图像施加正电位 通过记录介质形成在静电潜像承载部件上，静电潜像部件具有表面层，该表面层包括通过至少照射不具有电荷传输结构的三官能或更自由基的可聚合化合物而硬化的硬化材料，具有 电荷传输结构和具有丙烯酰氧基和甲基丙烯酰氧基中任一个的反应性硅氧烷化合物，反应性硅氧烷化合物的浓度在表面层的表面部分和内层部分之间变化。

    Photoconductor image forming apparatus image forming process and process cartridge
    57.
    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.

    Organic charge transporting polymers including charge transport mojeties and silane groups, and silsesquioxane compositions prepared therefrom
    58.
    发明公开
    Organic charge transporting polymers including charge transport mojeties and silane groups, and silsesquioxane compositions prepared therefrom 有权
    有机电荷传输聚合物包括电荷传输单元和硅烷基团和由其倍半硅氧烷组合物制备的

    公开(公告)号：EP1380596A1

    公开(公告)日：2004-01-14

    申请号：EP03014588.2

    申请日：2003-07-08

    申请人： Heidelberger Druckmaschinen Aktiengesellschaft ,  NexPress Solutions LLC

    发明人： Ferrar, Wayne T. ,  Jin, Xin ,  Sorriero, Louis J. ,  Weiss, David S.

    IPC分类号： C08F2/00 ,  C08F8/00 ,  C07F7/00 ,  G03G5/00

    CPC分类号： G03G5/0596 ,  C08F230/08 ,  G03G5/0589 ,  G03G5/071

    摘要： Disclosed are polymers which include tertiary aryl amine moieties that can function as hole transport agents and which also have reactive silane groups thereon capable of being condensed to a silsesquioxane composition, as well as the silsesquioxane compositions prepared therefrom. The silsesquioxanes can be coated onto substrates to form abrasion-resistant layers having hole transport properties useful in devices that require charge transport properties, such as light-emitting diodes and organic electrophotographic elements such as photoreceptors or photoconductors. Also disclosed are electrophotographic elements which comprise an electrically conducting layer, a charge generating layer overlying the electrically conducting layer, and a charge transport layer overlying the electrically conducting layer. The charge transport layer, which can be an overcoat overlying the charge generating layer, comprises the condensed reaction product of the disclosed polymers.

    摘要翻译： 公开的是聚合物，其包括叔胺芳胺部分也可以作为空穴传输剂，因此它有反应性硅烷基团的作用在其上能够被冷凝成的倍半硅氧烷组合物，以及由其制备倍半硅氧烷的组合物。 倍半硅氧烷可涂覆到基底上以形成具有在设备有用的空穴传输性能的耐磨层也需要的电荷传输性，颜色：如发光二极管和有机电子照相元件：如照片受体或光电导体。 所以圆盘游离缺失是包含电子照相元件的导电层，电荷产生层，覆盖所述导电层，和电荷输送层，覆盖所述导电层。 电荷输送层，其可以在覆盖保护层的电荷产生层，包含所述游离缺失盘聚合物的缩合反应产物。

    Electrophotographic photoreceptor, method for manufacturing and image forming apparatus using the photoreceptor
    59.
    发明公开
    Electrophotographic photoreceptor, method for manufacturing and image forming apparatus using the photoreceptor 有权
    电子照相感光体，其制造方法，和与相应的感光体成像装置

    公开(公告)号：EP1376243A1

    公开(公告)日：2004-01-02

    申请号：EP03014698.9

    申请日：2003-06-27

    申请人： Ricoh Company

    发明人： Toda, Naohiro, Ricoh Company, Ltd. ,  Niimi, Tatsuya, Ricoh Company, Ltd.

    IPC分类号： G03G5/043 ,  G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/147

    CPC分类号： G03G5/0542 ,  G03G5/043 ,  G03G5/047 ,  G03G5/0525 ,  G03G5/0564 ,  G03G5/0589 ,  G03G5/0696 ,  G03G5/14704 ,  G03G5/14713

    摘要： A photoreceptor including an electroconductive substrate (31); a charge generation layer (35) located overlying the electroconductive substrate optionally with an intermediate layer (33) therebetween; and a charge transport layer (37) formed overlying the charge generation layer using a non-halogenated solvent and including a charge transport material and a resin, wherein the charge generation layer includes a polyvinyl acetal resin and a charge generation material having an average particle diameter less than a roughness of a surface of either the electroconductive substrate or the intermediate layer, on which the charge generation layer is located.

    摘要翻译： 一种光受体包含在导电衬底（31）; 位于中间层（33）任选地与覆盖该基底导电那里之间的电荷产生层（35）; 形成使用非卤代溶剂覆盖在电荷产生层和包含电荷输送材料和树脂，worin电荷产生层的电荷传输层（37）包括聚乙烯醇缩醛树脂和具有平均粒径的电荷产生物质 小于无论导电基板的表面或中间层，在其上的电荷产生层位于的粗糙度。