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    • 1. 发明授权
    • Photoconductor for electrophotography and method of manufacturing the same
    • 用于电子照相的感光体及其制造方法
    • US06200714B1
    • 2001-03-13
    • US09451883
    • 1999-12-01
    • Yoichi NakamuraTeruo SasakiKenichi HaraHideki KinaAkira Ootani
    • Yoichi NakamuraTeruo SasakiKenichi HaraHideki KinaAkira Ootani
    • G03G5047
    • G03G5/062Y10S430/103
    • An electrophotographic photoconductor includes a phosphinate additive in a photosensitive film that improves the stability of the coating liquid for the photosensitive film. The electrophotographic photoconductor includes an electrically conductive substrate and a photosensitive film on the substrate. The photosensitive film contains a charge generation agent and a phosphinate compound. The photoconductor may be of either a monolayer or a laminate construction. In the case of a laminate type photoconductor, the phosphinate compound is incorporated into the charge transport layer. A method of making an electrophotographic photoconductor adds a phosphinate additive to the coating liquid for a photosensitive film to improve stability of the coating liquid. The method involves producing a coating liquid containing a phosphinate compound and coating a conductive substrate with the coating liquid to form a photosensitive film.
    • 电子照相感光体包括在感光膜中的次膦酸盐添加剂,其提高了用于感光膜的涂布液的稳定性。 电子照相感光体包括基底上的导电基底和感光膜。 感光膜含有电荷产生剂和次膦酸盐化合物。 光电导体可以是单层或层压结构。 在层叠型光电导体的情况下,将次膦酸盐化合物并入电荷输送层。 制造电子照相感光体的方法在感光膜用涂布液中添加次膦酸添加剂,以提高涂布液的稳定性。 该方法包括制备含有次膦酸盐化合物的涂布液并用涂布液涂覆导电性基材以形成感光膜。
    • 8. 发明授权
    • Electrophotographic photoconductor, manufacturing method thereof, and electrophotographic device
    • 电子照相感光体,其制造方法和电子照相装置
    • US09081319B2
    • 2015-07-14
    • US12999308
    • 2009-12-14
    • Shinjirou SuzukiYoichi NakamuraIkuo TakakiSeizo KitagawaKazuki Nebashi
    • Shinjirou SuzukiYoichi NakamuraIkuo TakakiSeizo KitagawaKazuki Nebashi
    • G03G5/04G03G5/14
    • G03G5/142G03G5/144
    • Provided is an electrophotographic photoconductor that has good coating solution stability and metal oxide dispersibility, is free of image defects including ground fogging and black spots, and affords good image characteristics in various environments, as well as a manufacturing method therefore and a device including the same. The electrophotographic photoconductor includes a conductive substrate; an undercoat layer; and a photosensitive layer. The undercoat layer contains, as a main component, a resin obtained by polymerizing, as starting materials, an aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid having 8 or more carbon atoms, and at least one diamine having a cycloalkane structure, and further contains a metal oxide. The aromatic dicarboxylic acid in the resin is present in an amount that ranges from 0.1 to 10 mol %, and the resin has an acid value and a base value that are each no greater than 10 KOH mg/g.
    • 提供了具有良好的涂布溶液稳定性和金属氧化物分散性的电子照相感光体,没有包括地雾和黑点的图像缺陷,并且在各种环境中提供良好的图像特性,因此其制造方法和包括其的装置 。 电子照相感光体包括导电性基板; 底漆层; 和感光层。 作为主要成分,底涂层含有通过使作为原料的芳香族二羧酸,至少一种碳原子数8以上的脂肪族二羧酸和至少一种具有环烷烃结构的二胺的原料聚合而得到的树脂,进一步 含有金属氧化物。 树脂中的芳族二羧酸的存在量为0.1〜10摩尔%,树脂的酸值和碱值不大于10KOHmg / g。