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    • 6. 发明公开
    • Electrophotographic photoreceptor
    • 电子照相机光感受器。
    • EP0613055A1
    • 1994-08-31
    • EP93103024.1
    • 1993-02-26
    • DAINICHISEIKA COLOR & CHEMICALS MFG. CO. LTD.
    • Komiyama, NakajiKouno, HisaoHigashide, KazuhiroSuda, OsamuHasegawa, Masaru
    • G03G5/06C09B35/039
    • C09B35/033G03G5/0683
    • An electrophotographic photoreceptor is provided with a photosensitive layer, which contains an azo compound represented by the followin g general formula (1):

      wherein A means a coupler residuum having phenolic OH radicals, R₁ and R₂ designate, respectively, a radical of an integer of, both, m=0∼4, n =0∼4, selected from the group consisting of hydrogen, halogen atoms, alkyl group, alkoxy group, and di-substituted amino group.
      The electrophotographic photoreceptor of this invention has excellent electrification characteristics, sensitivity characteristics and image-forming property as well as good sensitivity. In addition, its sensitivity and electrification characteristics undergo less variations even when employed repeatedly. It also undergoes little light-induced fatigue. It has high weatherability.
    • 电子照相感光体设置有感光层,其含有由通式(1)表示的偶氮化合物:其中A表示具有酚OH基团的偶联剂残基,R 1和R 2分别表示 m = 0,类似4,n = 0的整数,选自氢,卤素原子,烷基,烷氧基和二取代的氨基。 本发明的电子照相感光体具有优异的带电特性,灵敏度特性和成像性以及良好的灵敏度。 此外,即使重复使用,其灵敏度和通电特性也经历较少的变化。 它也经历轻微的疲劳。 耐候性好。