Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor
    6.
    发明授权
    Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor 有权
    电子照相感光体,使用电子照相感光体的成像装置,以及电子照相感光体的制造方法

    公开(公告)号:US08178266B2

    公开(公告)日:2012-05-15

    申请号:US12489833

    申请日:2009-06-23

    IPC分类号: G03G5/047

    摘要: An electrophotographic photoreceptor is provided that contains a conductive substrate, an undercoat layer, a charge generation layer, and a charge transport layer, wherein the under coat layer contains a binder resin and multiple inorganic pigments each having different average primary particle diameters in a total amount of from 75 to 86% by weight, the charge generation layer contains a binder resin and a titanyl phthalocyanine pigment having a specific X-ray diffraction spectrum in an amount of from 70 to 85% by weight, the charge transport layer comprises a specific distyryl compound, and the following formulae (2-1) to (2-3) are satisfied: 0.2≦(D(F2)/D(G))≦0.5  (2-1) 0.2≦D(F1)  (2-2) D(F2)≦D(F1)  (2-3) wherein D(F1) (μm) and D(F2) (μm) represent average primary particle diameters of the largest and smallest inorganic pigments, respectively, and D(G) (μm) represents an average primary particle diameter of the titanyl phthalocyanine pigment.

    摘要翻译: 提供一种电子照相感光体,其包含导电性基材,底涂层,电荷产生层和电荷输送层,其中,所述底涂层含有粘合剂树脂和各自具有总量不同的平均一次粒径的多种无机颜料 为75〜86重量%,电荷产生层含有粘合剂树脂和重量百分比为70〜85重量%的特定X射线衍射光谱的钛酞菁颜料,电荷传输层包含特定的二苯乙烯基 化合物,满足下列式(2-1)〜(2-3):0.2≦̸(D(F2)/ D(G))≦̸ 0.5(2-1)0.2& 2-2)D(F2)≦̸ D(F1)(2-3)其中D(F1)(μm)和D(F2)(μm)分别代表最大和最小无机颜料的平均一次粒径, D(G)(μm)表示钛酞菁颜料的平均一次粒径。

    Photoreceptor, image forming method and image forming apparatus using the photoreceptor, process cartridge using the photoreceptor and coating liquid for the photoreceptor
    9.
    发明授权
    Photoreceptor, image forming method and image forming apparatus using the photoreceptor, process cartridge using the photoreceptor and coating liquid for the photoreceptor 有权
    光感受器,成像方法和使用感光体的成像设备,使用感光体的处理盒和用于感光体的涂布液

    公开(公告)号:US07381511B2

    公开(公告)日:2008-06-03

    申请号:US10856962

    申请日:2004-06-01

    IPC分类号: G03G15/02

    摘要: A photoreceptor including an electroconductive substrate; a photosensitive layer; and optionally a protective layer, wherein an outermost layer thereof includes a filler, an organic compound having an acid value of from 10 to 700 mg KOH/g and at least one compound selected from the group consisting of compounds having the following formulae (1) and (2): wherein R1 (R3) and R2 (R4) independently represent a substituted or an unsubstituted aromatic hydrocarbon group, or a substituted or an unsubstituted alkyl group, and optionally share bond connectivity to form a heterocyclic group including a nitrogen atom; Ar1 (Ar3) and Ar2 (Ar4) independently represent a substituted or a unsubstituted aromatic ring group; k (K) and m (M) independently represent 0 or an integer of from 1 to 3, wherein k (K) and m (M) are not 0 at the same time; and n (n′) represents an integer of from 1 to 3.

    摘要翻译: 包含导电基片的感光体; 感光层; 和任选的保护层,其中其最外层包括填料,酸值为10-700mgKOH / g的有机化合物和至少一种选自具有下式(1)的化合物的化合物, 和(2):其中R 1(R 3)和R 2(R 4)独立地表示 取代或未取代的芳族烃基,或取代或未取代的烷基,并且任选地共享键连接性以形成包括氮原子的杂环基; Ar 1(Ar 3)和Ar 2(Ar 4)独立地表示取代或未取代的芳环 组; k(K)和m(M)独立地表示0或1〜3的整数,其中k(K)和m(M)同时不为0; n(n')表示1〜3的整数。

    Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor
    10.
    发明授权
    Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor 有权
    电子照相感光体,电子照相感光体的制造方法以及使用电子照相感光体的成像设备和处理盒

    公开(公告)号:US07371491B2

    公开(公告)日:2008-05-13

    申请号:US10944614

    申请日:2004-09-20

    IPC分类号: G03G5/047 G03G5/14

    摘要: A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moiré preventing layer; and a photosensitive layer, which are overlaid overlying the substrate in this order, wherein the photosensitive layer includes a titanyl phthalocyanine crystal which has an average primary particle diameter not greater than 0.25 μm, and has an X-ray diffraction spectrum such that a maximum peak is observed at a Bragg (2θ) angle of 27.2°±0.2°; a peak is observed at Bragg (2θ) angle of 9.4°±0.2°, 9.6±0.2° and 24.0±0.2°; a lowest angle peak is observed at an angle of 7.3°±0.2°; no peak is observed between the lowest angle peak and the 9.4° peak; and no peak is observed at a Bragg (2θ) angle of 26.3°±0.2°, when a Cu—Kα X-ray having a wavelength of 0.1542 nm (1.542 Å) is used.

    摘要翻译: 包含导电基片的感光体; 和电荷阻挡层; 莫尔防止层; 和感光层,其以此顺序覆盖在基板上,其中感光层包括平均一次粒径不大于0.25μm的钛酞菁晶体,并具有X射线衍射光谱,使得最大峰值 在26.2°±0.2°的Bragg(2θ)角度观察到; 在布拉格(2θ)角为9.4°±0.2°,9.6±0.2°和24.0±0.2°时观察到峰值。 在7.3°±0.2°的角度观察到最低角度峰值; 在最低角峰和9.4°峰之间没有观察到峰; 当使用波长为0.1542nm(1.542)的Cu-Kalpha X射线时,在26.3°±0.2°的Bragg(2θ)角度下没有观察到峰。