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    • 98. 发明授权
    • Electrophotographic photosensitive member, process cartridge and
electrophotographic apparatus having the electrophotographic
photosensitive member
    • 具有电子照相感光构件的电子照相感光构件,处理盒和电子照相设备
    • US5622799A
    • 1997-04-22
    • US345702
    • 1994-11-21
    • Koichi SuzukiHideyuki TakaiSatomi SugiyamaMitsuhiro Kunieda
    • Koichi SuzukiHideyuki TakaiSatomi SugiyamaMitsuhiro Kunieda
    • G03G5/06G03G5/047
    • G03G5/0683
    • An electrophotographic photosensitive member, a process cartridge having the electrophotographic photosensitive member and an electrophotographic apparatus are provided. The electrophotographic photosensitive member has a conductive substrate and a photosensitive layer thereon, wherein the photosensitive layer contains a disazo pigment represented by the following formula (1): ##STR1## wherein R.sub.1 to R.sub.8 are the same or different and are each a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is a positive integer, A.sub.1 and A.sub.2 are the same or different and are each a coupler residual group having a phenolic hydroxyl group, and at least one of A.sub.1 and A.sub.2 is a coupler residual group represented by the following formula (2): ##STR2## wherein X.sub.1 is a residual group forming a polycyclic aromatic ring or a heterocyclic ring by condensing with a benzene ring, R.sub.9 and R.sub.10 are the same or different and are each a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a heterocyclic group or a residual group forming a cyclic amino group by bonding together, and Z.sub.1 is an oxygen atom or a sulfur atom.
    • 提供电子照相感光构件,具有电子照相感光构件的处理盒和电子照相设备。 电子照相感光构件具有导电性基材及感光层,感光层含有下述式(1)表示的双偶氮颜料:其中,R 1〜R 8相同或不同,为 氢原子,卤素原子,烷基或烷氧基,n为正整数,A1和A2相同或不同,分别为具有酚羟基的成色剂残基,A1和A2中的至少一个 (2)表示的成色剂残基:其中X1是通过与苯环缩合形成多环芳环或杂环的残基,R9和R10相同或不同 各自为氢原子,烷基,芳基,芳烷基,杂环基或通过键合而形成环状氨基的残基,Z1为氧原子或硫原子。