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    • 7. 发明授权
    • Electrophotographic photosensitive member having an intermediate layer
comprising a plurality of polyether polyols
    • 具有包含多个聚醚多元醇的中间层的电子照相感光构件
    • US5362587A
    • 1994-11-08
    • US112234
    • 1993-08-27
    • Yuichi HashimotoTakashi Koyama
    • Yuichi HashimotoTakashi Koyama
    • G03G5/14G03G5/05
    • G03G5/142
    • According to the The present invention, there are provided an electrophotographic photosensitive member, an electrophotographic apparatus comprising the electrophotosensitive member, and a facsimile system comprising the electrophotographic apparatus. The electrophotographic photosensitive member comprises a conductive support, a photosensitive layer and an intermediate layer interposed therebetween. The intermediate layer comprises a material derived from an isocyanate compound and a plurality of kinds of polyether polyol compounds, the polyether polyol compounds meeting at least one of the following requirements i) and ii):i) a ratio of a weight average molecular weight of at least one polyether polyol compound to a weight average molecular weight of at least one other polyether polyol compound is 1.3 or more; andii) at least one polyether polyol compound has different functionality from that in at least one other polyether polyol compound.
    • 根据本发明,提供了一种电子照相感光构件,包括该光电敏感构件的电子照相设备和包括电子照相设备的传真系统。 电子照相感光构件包括导电支撑体,感光层和介于其间的中间层。 中间层包含衍生自异氰酸酯化合物和多种聚醚多元醇化合物的材料,所述聚醚多元醇化合物满足以下要求i)和ii)中的至少一个:i)i)重均分子量 至少一种聚醚多元醇化合物至少一种其它聚醚多元醇化合物的重均分子量为1.3以上; 和ii)至少一种聚醚多元醇化合物与至少一种其它聚醚多元醇化合物中的官能度不同。