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    • 32. 发明授权
    • Electrophotoconductor and image forming apparatus
    • 电子照相机和成像装置
    • US07754403B2
    • 2010-07-13
    • US11708580
    • 2007-02-21
    • Akihiro KondohHiroshi SugimuraTakatsugu Obata
    • Akihiro KondohHiroshi SugimuraTakatsugu Obata
    • G03G5/047
    • G03G5/0614G03G5/0672G03G5/0674
    • An organic photoconductive material which is useful as a raw material compound for a variety of functional materials and makes it possible to implement an electrophotoconductor which is excellent in terms of the charge transporting performance, excellent in terms of dissolution in solvents and compatibility with resins, and excellent in terms of both the electrical properties and durability is provided. An example is an asymmetric bishydroxy compound which can be represented by the following structural formula (1aa). This compound is contained in a charge transforming layer 4 or a surface protective layer 5 of an electrophotoconductor 18. As a result, an electrophotoconductor 18 which is excellent in terms of the electrical properties and durability and can stably form high quality images without image defects such as black dots can be implemented.
    • 一种有机光电导材料,其可用作各种功能材料的原料化合物,并且可以实现电荷传输性能优异的电解质导电性,溶剂溶解性和与树脂的相容性优异, 提供了电性能和耐久性两方面优异的性能。 一个例子是可以由以下结构式(1aa)表示的不对称双羟基化合物。 该化合物包含在电子转换层4或电子照相感应体18的表面保护层5中。其结果是,电气特性和耐久性优异的电子导体18可以稳定地形成无图像缺陷的高质量图像 因为可以实现黑点。
    • 36. 发明申请
    • Electrophotographic photoconductor and image-forming apparatus
    • 电子照相光电导体和图像形成装置
    • US20080166642A1
    • 2008-07-10
    • US12000720
    • 2007-12-17
    • Takatsugu ObataAkihiro Kondoh
    • Takatsugu ObataAkihiro Kondoh
    • G03C1/73G03G15/00
    • G03G5/0614G03G5/0668G03G5/0672G03G2215/00957
    • The present invention provides an electrophotographic photoconductor comprising an electroconductive substrate and a photosensitive layer provided on the electroconductive substrate, wherein the photosensitive layer comprises a charge-generating material and a charge-transporting material, the charge-transporting material comprising a compound represented by the general formula (1): wherein Ar1 and Ar2 each independently represent an optionally-substituted arylene or bivalent heterocyclic group; Ar3 and Ar4 each independently represent a hydrogen atom, or an optionally-substituted aryl or monovalent heterocyclic group, but are not simultaneously hydrogen atoms; or Ar3 and Ar4 may be taken together to form an optionally-substituted bivalent cyclic hydrocarbon or heterocyclic group; and n is 0 or 1.
    • 本发明提供一种电子照相感光体,其包含导电性基体和设置在导电性基体上的感光层,其中感光层包含电荷产生材料和电荷输送材料,该电荷输送材料包含由通式 式(1):其中Ar 1和Ar 2各自独立地表示任选取代的亚芳基或二价杂环基; Ar 3和Ar 4各自独立地表示氢原子或任选取代的芳基或一价杂环基,但不同时为氢原子; 或Ar 3和Ar 4可以一起形成任选取代的二价环状烃或杂环基; n为0或1。