Electrophotographic plate
    1.
    发明授权
    Electrophotographic plate 失效
    电子照相板

    公开(公告)号:US4407919A

    公开(公告)日:1983-10-04

    申请号:US390842

    申请日:1982-06-22

    CPC分类号: G03G5/0618 G03G5/0612

    摘要: A double-layered electrophotographic plate having at least a charge generating layer and a charge transporting layer on an electroconductive substrate, wherein said charge transporting layer comprises(a) a dicyano vinyl compound represented by general formula (I): ##STR1## where R.sup.1 and R.sup.3 independently represent hydrogen, halogen, cyano, nitro or a substituted- or unsubstituted-arylcarbonyloxy group, and R.sup.2 represents hydrogen, halogen, cyano or a substituted- or unsubstituted-arylcarbonyloxy group with the proviso that R.sup.1, R.sup.2 and R.sup.3 are not simultaneously hydrogen, and/or a dicyano vinyl compound represented by general formula (II): ##STR2## where R.sup.4 represents hydrogen, halogen, lower alkyl or aryl group, and(b) an electron-donating organic compound.

    摘要翻译: 在导电性基材上至少具有电荷产生层和电荷输送层的双层电子照相板,其中所述电荷输送层包含(a)由通式(I)表示的二氰乙烯基化合物: 其中R1和R3独立地表示氢,卤素,氰基,硝基或取代或未取代的芳基羰基氧基,R2表示氢,卤素,氰基或取代或未取代的芳基羰氧基,条件是R1,R2和R3是 不同时为氢,和/或由通式(II)表示的二氰基乙烯基化合物:其中R 4表示氢,卤素,低级烷基或芳基,和(b)给电子有机化合物。

    Crystalline oxytitanium phthalocyanine and photoreceptor for use in
electrophotography
    5.
    发明授权
    Crystalline oxytitanium phthalocyanine and photoreceptor for use in electrophotography 失效
    用于电子照相术的结晶氧钛酞菁和感光体

    公开(公告)号:US4664997A

    公开(公告)日:1987-05-12

    申请号:US782473

    申请日:1985-10-01

    摘要: Disclosed is a crystalline oxytitanium phthalocyanine which shows intense diffraction peaks at Bragg angles (2.theta..+-.0.2.degree.) of 9.3.degree., 10.6.degree., 13.2.degree., 15.1.degree., 15.7.degree., 16.1.degree., 20.8.degree., 23.3.degree., 26.3.degree. and 27.1.degree. in the X-ray diffraction spectrum, the intensity of the diffraction peak at Bragg angle of 26.3.degree. being most strong and the intensity of the diffraction peaks at Bragg angles between 4.degree.-8.degree. being less than 5% of the intensity of the diffraction peak at Bragg angle of 26.3.degree.. Further, disclosed is a photoreceptor for use in electrophotography, comprising at least a charge carrier generation layer in which the oxytitanium phthalocyanine above is dispersed in a binder polymer and a charge carrier transport layer laminated thereon.

    摘要翻译: 公开了一种结晶氧钛酞菁,其在9.3°,10.6°,13.2°,15.1°,15.7°,16.1°,20.8°,23.3°,26.3°的布拉格角(2θ+/- 0.2°)处显示出强烈的衍射峰 在X射线衍射光谱中为27.1°,布拉格角26.3°处的衍射峰强度最强,4°-8°之间的布拉格角衍射峰强度小于强度的5% 的布拉格角为26.3°的衍射峰。 此外,公开了一种用于电子照相术的感光体,其至少包括其中上述氧钛酞菁分散在粘合剂聚合物中的电荷载体产生层和层压在其上的电荷载流子传输层。

    Photosensitive composition for electrophotography
    6.
    发明授权
    Photosensitive composition for electrophotography 失效
    电子照相用光敏组合物

    公开(公告)号:US4184871A

    公开(公告)日:1980-01-22

    申请号:US877501

    申请日:1978-02-13

    IPC分类号: G03G5/06 G03G5/09

    CPC分类号: G03G5/067 G03G5/0668

    摘要: A photosensitive composition which comprises an electron donative organic photoconductive compound and a sensitizer having the formula ##STR1## wherein A represents an aromatic group or heterocyclic group which can be substituted by an inert group; R represents cyano, nitro, akoxycarbonyl, aryl or carbamoyl group; and n is 0 or 1.

    摘要翻译: 包含给电子有机光电导化合物和具有下式的敏化剂的光敏组合物,其中A表示可被惰性基团取代的芳基或杂环基; R代表氰基,硝基,烷氧羰基,芳基或氨基甲酰基; n为0或1。

    Electrophotographic photoreceptor having a dip coated charge transport
layer
    7.
    发明授权
    Electrophotographic photoreceptor having a dip coated charge transport layer 失效
    具有浸涂电荷传输层的电子照相感光体

    公开(公告)号:US5120627A

    公开(公告)日:1992-06-09

    申请号:US559277

    申请日:1990-07-30

    摘要: Disclosed herein is an electrophotographic photoreceptor having on a conductive base at least one charge generation layer and at least one charge transport layer, said charge transport layer having the thickness of 27 .mu.m or above and being formed with a coating solution containing a condensation polymer of the viscosity-average molecular weight of 15,000 to 25,000 as a binder resin according to the dip coating method. The electrophotographic photoreceptor according to the present invention has the excellent durability because the resultant charge transport layer has the increased and uniform thickness without changing the electric properties, especially the charged potential.

    摘要翻译: 本文公开了一种电子照相感光体,其在导电性基底上具有至少一个电荷产生层和至少一个电荷输送层,所述电荷输送层的厚度为27μm以上,并且形成有含有缩合聚合物 根据浸涂法的粘均分子量为15,000〜25,000作为粘合剂树脂。 根据本发明的电子照相感光体具有优异的耐久性,因为所得的电荷输送层具有均匀且均匀的厚度,而不改变电特性,特别是带电电位。

    Electrophotographic photoreceptor and use in repeated copying
    9.
    发明授权
    Electrophotographic photoreceptor and use in repeated copying 失效
    电子照相机和重复复制使用

    公开(公告)号:US5130222A

    公开(公告)日:1992-07-14

    申请号:US540327

    申请日:1990-06-19

    IPC分类号: G03G5/05 G03G5/06

    摘要: An electrophotographic photoreceptor having an electrically conductive substrate and a photosensitive layer formed thereon, the photosensitive layer comprising a charge-generating agent, an organic charge-transporting agent and an anti-oxidant having the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl groups, is disclosed herein. The electrophotographic photoreceptor according to this invention has an improved durability in repeated copying operations and therefore a prolonged life.

    摘要翻译: 一种电子照相感光体,具有形成在其上的导电基底和感光层,感光层包含电荷产生剂,有机电荷输送剂和抗氧化剂,具有以下通式:其中R1和R2独立地为 烷基。 根据本发明的电子照相感光体在反复复印操作中具有改进的耐久性,因此寿命延长。

    Electrophotographic photoreceptor having a protective layer
    10.
    发明授权
    Electrophotographic photoreceptor having a protective layer 失效
    具有保护层的电子照相感光体

    公开(公告)号:US4752549A

    公开(公告)日:1988-06-21

    申请号:US924282

    申请日:1986-10-27

    IPC分类号: G03G5/04 G03G5/14 G03G5/147

    CPC分类号: G03G5/14791 G03G5/1473

    摘要: An electrophotographic photoreceptor according to this invention has an electrically conductive support, a charge-generation layer, a charge-transport layer and a protective layer which consists essentially of a thermo-setting silicone resin and a polyvinyl acetal resin.The electrophotographic photoreceptor according to this invention has improved durability in repeated copying operations due to the inclusion of the polyvinyl acetal resin into the protective layer.

    摘要翻译: 根据本发明的电子照相感光体具有导电性载体,电荷产生层,电荷传输层和保护层,其基本上由热固性硅树脂和聚乙烯醇缩醛树脂组成。 根据本发明的电子照相感光体由于将聚乙烯醇缩醛树脂包含在保护层中而具有改进的反复复印操作的耐久性。