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    • 21. 发明授权
    • Electrophotographic photosensitive member
    • 电子照相感光构件
    • US5736285A
    • 1998-04-07
    • US708416
    • 1996-09-05
    • Katsumi NukadaMasahiro IwasakiToru Ishii
    • Katsumi NukadaMasahiro IwasakiToru Ishii
    • G03G5/05G03G5/07G03G5/06
    • G03G5/056G03G5/075G03G5/076
    • An electrophotographic photosensitive member including a photosensitive layer on a conductive substrate thereof. The photosensitive layer contains a charge transport polyester resin containing at least one of structures represented by the following general formulas (I-1) and (I-2) as a partial structure of repeated units; and at least one bisazo pigment represented by the following general formula (A) or condensational and polycyclic aromatic pigment: ##STR1## where R.sub.1 to R.sub.4 are each independently, a hydrogen atom or the like, X is a bivalent aryl group, k and I are 0 or 1 and T is a hydrocarbon radical, Cp-N.dbd.N-G-N.dbd.N-Cp' (A) wherein Cp and Cp' are each a coupler and G is a predetermined bivalent group.
    • 一种电子照相感光构件,在其导电性基材上具有感光层。 感光层含有作为重复单元的部分结构的含有由以下通式(I-1)和(I-2)表示的结构中的至少一种的电荷传输性聚酯树脂; 和由以下通式(A)表示的至少一种双偶氮颜料或缩合多环芳族颜料:其中R 1至R 4各自独立地为氢原子或 X是二价芳基,k和I是0或1,T是烃基,Cp-N = NGN = N-Cp'(A)其中Cp和Cp'各自是偶联剂,G是 预定的二价基团。