ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
    11.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS 有权
    电子感光元件,工艺盒和电子照相设备

    公开(公告)号:US20090185822A1

    公开(公告)日:2009-07-23

    申请号:US12398546

    申请日:2009-03-05

    IPC分类号: G03G21/18 G03G15/04 G03G15/00

    CPC分类号: G03G5/104 G03G5/10

    摘要: An electrophotographic photosensitive member includes a conductive layer, an intermediate layer and a photosensitive layer in this order on a substrate, in which the conductive layer contains a binder resin and conductive particles. The conductive particles are TiO2 particles coated with oxygen-deficient SnO2, the conductive particles have an average particle size of 0.2 to 0.6 μm and the conductive layer has a volume resistivity of 5×105 to 8×108 Ω·cm. Also this invention provides a process cartridge and an electrophotographic apparatus equipped with such electrophotographic photosensitive member.

    摘要翻译: 电子照相感光构件在基板上依次包括导电层,中间层和感光层,其中导电层含有粘合剂树脂和导电颗粒。 导电颗粒是涂有缺氧SnO2的TiO 2颗粒,导电颗粒的平均粒径为0.2-0.6μm,导电层的体积电阻率为5×10 5至8×10 8Ω·cm。 本发明还提供一种配备有这种电子照相感光构件的处理盒和电子照相设备。

    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    12.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件,处理盒和电子照相设备

    公开(公告)号:US07534537B2

    公开(公告)日:2009-05-19

    申请号:US11103627

    申请日:2005-04-12

    IPC分类号: G03G5/14

    CPC分类号: G03G5/104 G03G5/10

    摘要: An electrophotographic photosensitive member includes a conductive layer, an intermediate layer and a photosensitive layer in this order on a substrate, in which the conductive layer contains a binder resin and conductive particles. The conductive particles are TiO2 particles coated with oxygen-deficient SnO2, the conductive particles have an average particle size of 0.2 to 0.6 μm and the conductive layer has a volume resistivity of 5×105 to 8×108 Ωcm. Also this invention provides a process cartridge and an electrophotographic apparatus equipped with such electrophotographic photosensitive member.

    摘要翻译: 电子照相感光构件在基板上依次包括导电层,中间层和感光层,其中导电层含有粘合剂树脂和导电颗粒。 导电颗粒是涂有缺氧SnO 2的TiO 2颗粒,导电颗粒的平均粒径为0.2-0.6μm,导电层的体积电阻率为5×10 5〜8×10 8Ω·cm。 本发明还提供一种配备有这种电子照相感光构件的处理盒和电子照相设备。

    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    14.
    发明授权
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件,处理盒和电子照相设备

    公开(公告)号:US07141341B2

    公开(公告)日:2006-11-28

    申请号:US11064082

    申请日:2005-02-24

    IPC分类号: G03G5/047

    摘要: An electrophotographic photosensitive member superior in dot reproducibility and a process cartridge and an process cartridge having the electrophotographic photosensitive member are provided. Where in a light attenuation curve drawn in a way in which the surface of the electrophotographic photosensitive member is so charged that intensity of an electric field is 15 (V/μm) to establish the surface potential of the electrophotographic photosensitive member into a given value E(V) and then exposed to light under conditions that the electrophotographic photosensitive member has a surface potential of 0.8 E(V) at a time point T(ms) passes after exposure starts, the inclination of the light attenuation curve at a time point T(ms) passes after exposure starts is represented by m, and in a dark-time surface potential attenuation curve drawn in a way in which the surface of the electrophotographic photosensitive member is charged under conditions that the electrophotographic photosensitive member has a surface potential of 0.8 E(V) at a time point T(ms) passes after charging is finished and thereafter no exposure is performed, the inclination of the dark-time surface potential attenuation curve at a time point T(ms) passes after charging is finished is represented by m′, the m and m′ satisfy |m−m′|≦0.020, provided that T=[{d2/(μ×E)}×100]×10−5, where d is the layer thickness (μm) of the charge transport layer and μ is the drift mobility [cm2/(V·s)] of the charge transport layer.

    摘要翻译: 提供了点再现性优异的电子照相感光构件和处理盒以及具有电子照相感光构件的处理盒。 在光衰减曲线中,其中电子照相感光构件的表面如此充电,使得电场强度为15(V / mum),以将电子照相感光构件的表面电位建立为给定值E (V),然后在曝光开始后的时间点T(ms)经过电子照相感光构件的表面电位为0.8E(V)的条件下曝光,在时间点T上的光衰减曲线的倾斜度 曝光开始后的(ms)通过m表示,并且在以电子照相感光构件的表面电位为0.8的条件下以电子照相感光构件的表面进行充电的方式绘制的暗时表面电位衰减曲线 充电结束后的时间点T(ms)的E(V),之后不进行曝光,暗时表面电位的倾斜 在充电结束后的时间点T(ms)的延迟曲线由m'表示,m和m'满足| m-m'|≤0.020,条件是T = [{d 2 SUP> /(muxE)}×100]×10 -5,其中d是电荷输送层的层厚度(mum),μ是漂移迁移率[cm 2] /(Vs)]。

    Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge
    15.
    发明授权
    Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge 有权
    电子照相感光构件,电子照相设备和处理盒

    公开(公告)号:US06998210B2

    公开(公告)日:2006-02-14

    申请号:US10714948

    申请日:2003-11-18

    IPC分类号: G03G5/147

    CPC分类号: G03G5/1476

    摘要: The present invention relates to an electrophotographic photosensitive member comprising a surface layer excellent in adhesiveness and abrasion resistance, having a hardness and a toughness, and not degrading the charge transport property. One aspect of the present invention provides an electrophotographic photosensitive member comprising a photosensitive layer on a conductive support, wherein a surface layer of the photosensitive member contains a crosslinked epoxy-modified resol type phenolic resin, and at least one of a charge transport material and a conductive fine particle.

    摘要翻译: 本发明涉及一种电子照相感光构件,其包括粘合性和耐磨性优异的表面层,具有硬度和韧性,并且不降低电荷传输性能。 本发明的一个方面提供一种电子照相感光构件,其在导电性载体上包含感光层,其中感光构件的表面层含有交联的环氧改性甲阶酚醛树脂型酚醛树脂,并且电荷输送材料和 导电细粒。

    Toner, method for forming image using the toner, and process cartridge
    16.
    发明授权
    Toner, method for forming image using the toner, and process cartridge 失效
    调色剂,使用调色剂形成图像的方法和处理盒

    公开(公告)号:US07141343B2

    公开(公告)日:2006-11-28

    申请号:US10418215

    申请日:2003-04-18

    IPC分类号: G03G9/08

    摘要: A toner exhibits excellent image characteristics, and also has an excellent charging property even if the toner is used in a cleaning-simultaneous-with-developing system having a direct injection charging mechanism. The toner includes toner particles and non-magnetic metallic-compound fine particles. The weight average particle diameter of the toner is 3.0 μm to 12.0 μm. The metallic-compound fine particles are conductive metallic-compound fine particles having a specific surface area (cm2/cm3) of 5×105 to 100×105; a medium diameter (D50) of 0.4 μm to 4.0 μm with respect to a volume-based particle diameter distribution, the medium diameter (D50) being smaller than the weight average particle diameter of the toner; and a 90% particle diameter D90 of 6.0 μm or less with respect to a volume-based particle diameter.

    摘要翻译: 调色剂表现出优异的图像特性,并且即使将调色剂用于具有直接注入充电机构的同时显影清洗系统中也具有优异的充电特性。 调色剂包括调色剂颗粒和非磁性金属化合物细颗粒。 调色剂的重均粒径为3.0μm〜12.0μm。 金属化合物微粒是具有5×10 5以上的比表面积(cm 2以上/ cm 3以下)的导电性金属化合物微粒〜 100×10 5; 相对于基于体积的粒径分布为0.4μm至4.0μm的中等直径(D≤50),中等直径(D≤50<)小于重量 调色剂的平均粒径; 和相对于基于体积的粒径为6.0μm或更小的90%粒径D 90 N。

    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    18.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件,处理盒和电子照相设备

    公开(公告)号:US06806009B2

    公开(公告)日:2004-10-19

    申请号:US10314354

    申请日:2002-12-09

    IPC分类号: G03G5147

    CPC分类号: G03G15/751 G03G5/147

    摘要: In an electrophotographic photosensitive member comprising a cylindrical support, and provided thereon a photosensitive layer and a protective layer in this order, which cylindrical support has an outer diameter of less than 30 mm, the difference between a coefficient of thermal expansion &agr;1 measured from the top of the protective layer and a coefficient of thermal expansion &agr;2 measured after the protective layer has been removed, |&agr;1−&agr;2|, is more than 5.0×10−7° C.−1 to less than 1.0×10−4° C.−1, and the modulus of elastic deformation We % measured from the top of the protective layer is more than 30% to less than 60%. Also disclosed are a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member.

    摘要翻译: 在包括圆柱形支撑件并且在其上设置有感光层和保护层的电子照相感光构件中,该圆柱形支撑件的外径小于30mm,从顶部测量的热膨胀系数α1之间的差异 的保护层和在保护层被去除之后测量的热膨胀系数α2,|α1-α2|大于5.0×10-7。<-1>小于1.0×10 -4 >°C <1>,从保护层顶部测量的弹性变形量We%大于30%至小于60%。 还公开了具有这种电子照相感光构件的处理盒和电子照相设备。

    Electrophotographic apparatus and process cartridge
    19.
    发明授权
    Electrophotographic apparatus and process cartridge 有权
    电子照相设备和处理盒

    公开(公告)号:US06697591B2

    公开(公告)日:2004-02-24

    申请号:US10173161

    申请日:2002-06-18

    IPC分类号: G03G1500

    摘要: An electrophotographic apparatus, includes: an electrophotographic photosensitive member and a charging device. The charging device includes a conductor particle-carrying member having an electroconductive and elastic surface, and conductor particles having a particle size of 10 nm-10 &mgr;m and carried on the carrying member so as to be disposed in contact with the photosensitive member, thereby directly injecting charges to the photosensitive member to charge the photosensitive member. The photosensitive member includes a photosensitive layer and a charge injection layer as a surface layer disposed in this order on a support, the charge-injection layer having a thickness d (&mgr;m) and an elastic deformation percentage We (OCL) (%) satisfying a relationship of formula (1) below with an elastic deformation percentage We (CTL) (%) of the photosensitive layer: −0.71×d+We(CTL)≦We(OCL)≦0.03×d3−0.89×d2+8.43×d+We(CTL)  (1).

    摘要翻译: 一种电子照相设备,包括:电子照相感光构件和充电装置。 充电装置包括具有导电和弹性表面的导体颗粒承载构件和粒径为10nm-10μm的导体颗粒,并承载在承载构件上以便与感光构件接触,从而直接 向感光构件注入电荷以对感光构件充电。 感光构件包括感光层和作为表面层的电荷注入层,其依次设置在载体上,电荷注入层的厚度d(母)和弹性变形百分比We(OCL)(%)满足 关系式(1)与弹性变形百分比We(CTL)(%)感光层: