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    • 10. 发明授权
    • Electrophotographic photoreceptor for negative electrification
    • 用于负电气的电子照相感光体
    • US4925757A
    • 1990-05-15
    • US228287
    • 1988-08-04
    • Shigeki TakenouchiAkira HiranoShiori SaitoYoshihide Fujimaki
    • Shigeki TakenouchiAkira HiranoShiori SaitoYoshihide Fujimaki
    • C09B23/12G03G5/06
    • G03G5/0679C09B23/12G03G5/0668G03G5/0681Y10S430/103
    • An electrophotographic photoreceptor useful for negative electrification is disclosed. The photoreceptor comprises on an electroconductive substrate, a photo-sensitive layer containing a compound represented by general formula [A]: ##STR1## wherein, R.sub.1 represents a hydrogen atom or a substituent; R.sub.2 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; Ar.sub.1 represents a hydrogen atom, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group; Ar.sub.2 represents a substituted or unsubstituted phenylene group or a substituted or unsubstituted naphthylene group; Ar.sub.3 and Ar.sub.4 independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group; and n represents an integer of 0 or 1; and a compound containing in its chemical structure a hindered phenolic structure unit.
    • 公开了一种用于负电荷的电子照相感光体。 感光体在导电性基材上含有含有通式[A]表示的化合物的光敏层:其中,R1表示氢原子或取代基; R2表示氢原子,取代或未取代的烷基或取代或未取代的芳基; Ar 1表示氢原子,取代或未取代的苯基,取代或未取代的萘基; Ar2表示取代或未取代的亚苯基或取代或未取代的亚萘基; Ar 3和Ar 4独立地表示取代或未取代的烷基,取代或未取代的苯基或取代或未取代的萘基; n表示0或1的整数; 以及其化学结构中含有受阻酚结构单元的化合物。