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    • 48. 发明授权
    • Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    • 电子照相感光构件,处理盒和电子照相设备
    • US06416915B1
    • 2002-07-09
    • US09438529
    • 1999-11-12
    • Toshihiro KikuchiAkio MaruyamaHiroki Uematsu
    • Toshihiro KikuchiAkio MaruyamaHiroki Uematsu
    • G03G504
    • G03G5/0614G03G5/0666G03G5/0668G03G5/071G03G5/076
    • An electrophotographic photosensitive member is provided by forming a photosensitive layer on an electroconductive support. The photosensitive layer is provided with particularly excellent durability while retaining good electrophotographic performances when formed as a layer comprising a polymerizate of a hole-transporting compound having at least two chain polymerization function groups in its molecule represented by formula (1) below: &Parenopenst;P1&Parenclosest;aA&Parenopenst;Z—(P2)d)b  (1), wherein A denotes a hole-transporting group, P1 and P2 independently denote a chain polymerization function group and Z denotes a bonding organic group; a, b and d are independently an integer of at least 0 satisfying a+b×d≧2 provided that if a≧2. plural groups P1 can be identical or different; if b≧2, plural groups Z can be identical or different; and if b×d≧2, plural groups P2 can be identical or different.
    • 通过在导电载体上形成感光层来提供电子照相感光构件。 当形成为包含在其分子中具有至少两个链聚合官能团的空穴传输化合物的聚合物的层时,感光层具有特别优异的耐久性,同时保持良好的电子照相性能:其中A表示 空穴传输基团P1和P2独立地表示链聚合官能团,Z表示键合有机基团; a,b和d独立地为满足a + bxd> = 2的至少为0的整数,条件是如果a> = 2。 多个组P1可以相同或不同; 如果b> = 2,多个Z可以相同或不同; 并且如果bxd> = 2,则多个组P2可以相同或不同。