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    • 10. 发明申请
    • Photoconductor, image forming apparatus, image forming process, and process cartridge
    • 感光体,成像装置,成像处理和处理盒
    • US20050175911A1
    • 2005-08-11
    • US10974814
    • 2004-10-28
    • Nozomu TamotoTatsuya NiimiTetsuro SuzukiKatsuichi Ohta
    • Nozomu TamotoTatsuya NiimiTetsuro SuzukiKatsuichi Ohta
    • G03G5/047G03G5/05G03G5/06G03G5/07G03G15/02
    • G03G5/0592G03G5/0546G03G5/0589G03G5/0696G03G5/071
    • 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 2θangles (±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.
    • 本发明的目的是提供一种在重复使用下具有高灵敏度,稳定的图像质量的感光体,并且延长使用寿命。 为了达到该目的,提供了一种光电导体,其包括电荷产生层,电荷输送层和交联的电荷输送层,依次在基板上,电荷产生层含有氧化钛酞菁晶体颗粒,其在 27.2°,主峰在9.4°,9.6°和24.0°,最低角为7.3°的峰值,7.3°和9.4°之间的峰值没有峰值,在26.3°没有峰值作为布拉格二角形 ±0.2°),钛氧酞菁结晶粒子的平均一次粒径为0.25μm以下,交联电荷输送层含有自由基的反应产物 具有三个或更多个官能团和无电荷输送结构的可聚合单体和具有一个官能度和电荷输送结构的自由基聚合性化合物,以及交联的c 输送层为1〜10毫米。