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18 条记录 (耗时 0.035 秒)

    Electrophotographic photoreceptor having a dip coated charge transport layer
    2.
    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

    申请人： Mamoru Nozomi ,  Shigenori Otsuka ,  Hiromi Horiuchi

    发明人： Mamoru Nozomi ,  Shigenori Otsuka ,  Hiromi Horiuchi

    IPC分类号： C08G63/19 ,  C08G63/199 ,  C08G63/682 ,  C08G64/00 ,  C08G64/06 ,  C09D167/02 ,  G03G5/05

    CPC分类号： G03G5/0525 ,  G03G5/056 ,  G03G5/0564 ,  G03G5/0596

    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。

    Carrier for developing electrostatic latent images, developer, and electrophotographic developing process
    4.
    发明授权
    Carrier for developing electrostatic latent images, developer, and electrophotographic developing process 失效
    用于显影静电潜像，显影剂和电子照相显影方法的载体

    公开(公告)号：US5360691A

    公开(公告)日：1994-11-01

    申请号：US879292

    申请日：1992-05-07

    申请人： Katsuo Koizumi ,  Shigenori Otsuka ,  Syuuichi Maeda ,  Hiromi Horiuchi ,  Hirofumi Oda ,  Toshiyuki Sueyoshi

    发明人： Katsuo Koizumi ,  Shigenori Otsuka ,  Syuuichi Maeda ,  Hiromi Horiuchi ,  Hirofumi Oda ,  Toshiyuki Sueyoshi

    IPC分类号： G03G9/113 ,  G03G9/08

    CPC分类号： G03G9/1133 ,  Y10S430/105

    摘要： A carrier for developing electrostatic latent images is disclosed, which comprises a core material at least a part of which is coated with a resin containing a copolymer comprised of vinylidene chloride and at least one monomer having an unsaturated double bond and being copolymerizable with vinylidene chloride, wherein the copolymer is comprised of (a) from 70 to 30 mol % of vinylidene chloride, (b) from 20 to 60 mol % of acrylonitrile and/or an acrylonitrile derivative, and (c) from 0 to 40 mol % of a monomer having an unsaturated double bond and being copolymerizable with components (a) and (b). An electrophotographic developer containing the carrier and an electrophotographic developing process using the developer are also disclosed.

    摘要翻译： 公开了一种用于显影静电潜像的载体，其包括芯材，其至少一部分涂覆有含有由偏二氯乙烯和至少一种具有不饱和双键并且可与偏二氯乙烯共聚的单体的共聚物的树脂， 其中所述共聚物包含（a）70-30mol％偏二氯乙烯，（b）20-60mol％丙烯腈和/或丙烯腈衍生物，和（c）0-40mol％单体 具有不饱和双键并可与组分（a）和（b）共聚。 还公开了含有载体的电子照相显影剂和使用该显影剂的电子照相显影方法。

    Electrophotographic photoreceptor and use in repeated copying
    5.
    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

    申请人： Shigenori Otsuka ,  Mamoru Nozomi

    发明人： Shigenori Otsuka ,  Mamoru Nozomi

    IPC分类号： G03G5/05 ,  G03G5/06

    CPC分类号： G03G5/0521 ,  G03G5/064 ,  Y10S430/103

    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
    6.
    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

    申请人： Shigenori Otsuka ,  Kohki Furuya ,  Mamoru Nozomi

    发明人： Shigenori Otsuka ,  Kohki Furuya ,  Mamoru Nozomi

    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。

    Electrophotographic plate
    8.
    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

    申请人： Tetsuo Murayama ,  Shigenori Otsuka ,  Tsunemitsu Tajima ,  Yukihiro Sato

    发明人： Tetsuo Murayama ,  Shigenori Otsuka ,  Tsunemitsu Tajima ,  Yukihiro Sato

    IPC分类号： G03G5/00 ,  G03G5/05 ,  G03G5/06 ,  G03G5/14

    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。

    Electrophotographic photoreceptor
    10.
    发明授权
    Electrophotographic photoreceptor 失效
    电子照相机

    公开(公告)号：US5102759A

    公开(公告)日：1992-04-07

    申请号：US619259

    申请日：1990-11-28

    申请人： Masahiro Fuse ,  Shigenori Otsuka

    发明人： Masahiro Fuse ,  Shigenori Otsuka

    IPC分类号： G03G5/05 ,  G03G5/06

    CPC分类号： G03G5/0614 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0525

    摘要： An electrophotographic photoreceptor comprising an electroconductive substrate and a photosensitive layer thereon containing a carrier generation material, a carrier transport material and an amine compound represented by the following formula (I): ##STR1## wherein A represents one selected from the group consisting of (i) --CH.sub.2 X,(ii) --CH.sub.2 CH.sub.2 X,wherein X represents an aromatic carbocyclic ring residue, an aromatic heterocyclic ring residue, a cycloalkyl group or a heterocycloalkyl group which may have a substituent,(iii) a cycloalkyl group or a heterocycloalkyl group which may have a substituent, and(iv) an aromatic carbocyclic ring residue or an aromatic heterocyclic ring residue which may have a substituent; B represents one selected from the group consisting of (i), (ii) and (iii) as defined in A; and R represents a hydrogen, alkyl group which may have a substituent or aralkyl group which may have a substituent is disclosed. The electrophotographic photoreceptor according to the present invention has an excellent electrophotographic characteristics, high resistance against ozone and nitrogen oxides, stable characteristics and image quality even after repeated use and extremely high durability.