Electrophotographic photosensitive material
    3.
    发明授权
    Electrophotographic photosensitive material 失效
    电子照相感光材料

    公开(公告)号:US5914208A

    公开(公告)日:1999-06-22

    申请号:US44005

    申请日:1998-03-19

    IPC分类号: G03G15/06 G03G13/22 G03G5/04

    CPC分类号: G03G15/065

    摘要: The photosensitive material of the present invention is provided in contact with a developing roller and has a surface potential decay characteristic in which when the photosensitive material is charged to a surface potential of 800 V and is contacted with the developing roller to which a voltage (VR) is applied, the surface potential (VD) of the photosensitive material after contacting is represented by the formula (1):VD.gtoreq.800.times.EXP (0.00235.times.VR).By using this photosensitive material, a transverse black stripe in the tip of the transfer paper is prevented and it is possible to form an image having excellent image quality and image density.

    摘要翻译: 本发明的感光材料设置成与显影辊接触并且具有表面电位衰减特性,其中当感光材料被充电到800V的表面电位并与显影辊接触时,电压(VR ),接触后感光材料的表面电位(VD)由式(1)表示:VD> / = 800xEXP(0.00235×VR)。 通过使用这种感光材料,防止转印纸的尖端中的横向黑色条纹,并且可以形成具有优异的图像质量和图像浓度的图像。

    Electrophotosensitive material
    6.
    发明授权
    Electrophotosensitive material 失效
    电光敏材料

    公开(公告)号:US5780194A

    公开(公告)日:1998-07-14

    申请号:US629634

    申请日:1996-04-09

    IPC分类号: G03G5/05 G03G5/06 G03G5/09

    摘要: The present invention provides an electrophotosensitive material comprising a conductive substrate and a photosensitive layer provided on the conductive substrate, the photosensitive layer comprising a specific hole transferring material and/or electron transferring material and a binding resin of a polyester resin which is a substantially linear polymer obtained by using a specific dihydroxy compound represented by the general formula (1): ##STR1## wherein R.sup.1 is an alkylene group having 2 to 4 carbon atoms; and R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and indicate a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aryl group or an aralkyl group or the like. This photosensitive material is improved in sensitivity, and is also superior in adhesion to conductive substrate as well as mechanical strength such as wear resistance, etc.

    摘要翻译: 本发明提供了一种电光敏材料,其包括导电基材和设置在导电基材上的感光层,感光层包含特定的空穴转移材料和/或电子转移材料和聚酯树脂的粘合树脂,其为基本上线性的聚合物 通过使用由通式(1)表示的特定二羟基化合物获得:其中R 1是具有2至4个碳原子的亚烷基; R2,R3,R4和R5相同或不同,表示氢原子,碳原子数1〜4的烷基,芳基或芳烷基等。 该感光材料的灵敏度提高,并且与导电性基材的粘合性以及耐磨性等机械强度也优异。

    Electrophotosensitive material
    7.
    发明授权
    Electrophotosensitive material 失效
    电光敏材料

    公开(公告)号:US5629117A

    公开(公告)日:1997-05-13

    申请号:US542460

    申请日:1995-10-12

    IPC分类号: G03G5/05 G03G5/06 G03G5/04

    摘要: There is disclosed an electrophotosensitive material using a binding resin of a bisphenol C type, bisphenol Z type, bisphenol Z type containing a substituent or bisphenol C-copolymer type polycarbonate in combination with a hole transferring material of a specific benzidine or phenylenediamine derivative. This photosensitive material is superior in mechanical strength and repeat characteristics and has a high glass transition temperature and a high sensitivity.

    摘要翻译: 公开了使用双酚C型,双酚Z型,含有取代基的双酚Z型或双酚C型共聚型聚碳酸酯与特定的联苯胺或苯二胺衍生物的空穴转移材料的结合树脂的电光敏材料。 该感光材料的机械强度和重复特性优异,玻璃化转变温度高,灵敏度高。

    Electrophotosensitive material
    8.
    发明授权
    Electrophotosensitive material 失效
    电光敏材料

    公开(公告)号:US06187493B1

    公开(公告)日:2001-02-13

    申请号:US09021312

    申请日:1998-02-10

    IPC分类号: G03G505

    摘要: The present invention provides an electrophotosensitive material comprising a conductive substrate and a photosensitive layer provided on the conductive substrate, the photosensitive layer comprising a specific hole transferring material and/or electron transferring material and a binding resin of a polyester resin which is a substantially linear polymer obtained by using a specific dihydroxy compound represented by the general formula (1): wherein R1 is an alkylene group having 2 to 4 carbon atoms; and R2, R3, R4 and R5 are the same or different and indicate a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aryl group or an aralkyl group or the like. This photosensitive material is improved in sensitivity, and is also superior in adhesion to conductive substrate as well as mechanical strength such as wear resistance, etc.

    摘要翻译: 本发明提供了一种电光敏材料,其包括导电基材和设置在导电基材上的感光层,感光层包含特定的空穴转移材料和/或电子转移材料和聚酯树脂的粘合树脂,其为基本上线性的聚合物 通过使用由通式(1)表示的特定二羟基化合物获得:其中R 1是具有2至4个碳原子的亚烷基; R2,R3,R4和R5相同或不同,表示氢原子,碳原子数1〜4的烷基,芳基或芳烷基等。 该感光材料的灵敏度提高,并且与导电性基材的粘合性以及耐磨性等机械强度也优异。