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27 条记录 (耗时 0.031 秒)

    Photoreceptor having polycarbonate layers and process for the preparation thereof
    15.
    发明授权
    Photoreceptor having polycarbonate layers and process for the preparation thereof 失效
    具有聚碳酸酯层的感光体及其制备方法

    公开(公告)号：US4637971A

    公开(公告)日：1987-01-20

    申请号：US700671

    申请日：1985-02-11

    申请人： Yoshiaki Takei ,  Hiroyuki Nomori ,  Katumi Matuura

    发明人： Yoshiaki Takei ,  Hiroyuki Nomori ,  Katumi Matuura

    IPC分类号： C08G64/06 ,  G03G5/05 ,  G03G5/06 ,  G03G5/04

    CPC分类号： G03G5/0609 ,  C08G64/06 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/0631 ,  G03G5/0661 ,  G03G5/067 ,  G03G5/0679 ,  G03G5/0683

    摘要： A photoreceptor comprising a photosensitive layer and a support, wherein said photosensitive layer contains a polycarbonate compound binder selected from the group consisting of Formula A and B, ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, substituted or unsubstituted aliphatic, or a substituted or unsubstituted hydrocarbon ring, provided that at least one of R.sub.1 and R.sub.2 has at least 3 carbon atoms, Z represents a group of atoms necessary to constitute a substituted or unsubstituted carbon ring or a substituted or unsubstituted heterocyclic ring, R.sub.3 to R.sub.10 in Formulas A and B are independently hydrogen, halogen, substituted or unsubstituted aliphatic, or a substituted or unsubstituted hydrocarbon ring, and n is a number from 10 to 1000.

    摘要翻译： 一种感光体，包括感光层和支持体，其中所述感光层含有选自由式A和B组成的组的聚碳酸酯化合物粘合剂，其中R1和R2独立地为氢，取代或未取代的脂肪族 或取代或未取代的烃环，条件是R 1和R 2中的至少一个具有至少3个碳原子，Z表示构成取代或未取代的碳环或取代或未取代的杂环所必需的原子团，R3至 式A和B中的R 10独立地为氢，卤素，取代或未取代的脂族基或取代或未取代的烃环，n为10至1000的数。

    Image forming method
    16.
    发明授权
    Image forming method 失效
    图像形成方法

    公开(公告)号：US4888262A

    公开(公告)日：1989-12-19

    申请号：US180973

    申请日：1988-04-21

    申请人： Kiyoshi Tamaki ,  Koichi Kudoh ,  Yoshihiko Etoh ,  Yoshiaki Takei

    发明人： Kiyoshi Tamaki ,  Koichi Kudoh ,  Yoshihiko Etoh ,  Yoshiaki Takei

    IPC分类号： G03G5/05

    CPC分类号： G03G5/0521 ,  G03G5/0517 ,  Y10S430/103

    摘要： An image forming method which employs an electro-photographic photoreceptor having high sensitivity, high resistance to damage, high durability, and high resistance to ozone oxidation. The method comprises charging the surface of the photoreceptor with positive charge, the photoreceptor including a photoconductive base, a photoreceptive layer formed on the base and consisting of at least a layer having a charge transport function and a layer having a charge generating function, and a resin-containing non-photoreceptive layer formed on the photoreceptive layer as required, and in which one layer placed above the layer having a charge transport function contains an antioxidizing agent, forming an electrostatic latent image on the surface of the photoreceptor by image-like exposure, then developing the electrostatic latent image.

    摘要翻译： PCT No.PCT / JP87 / 00490 Sec。 371日期：1988年4月21日 102（e）日期1988年4月21日PCT提交1987年7月9日PCT公布。 公开号WO88 / 00726 日期：1988年1月28日。一种图像形成方法，其采用具有高灵敏度，高耐损伤性，高耐久性和高耐臭氧氧化性的电照相感光体。 该方法包括以正电荷对感光体的表面进行充电，感光体包括光导基体，形成在基底上的感光层，至少由具有电荷传输功能的层和具有电荷产生功能的层组成， 根据需要在感光层上形成的含有树脂的非感光层，并且其中放置在具有电荷传输功能的层之上的一层包含抗氧化剂，通过图像样曝光在感光体的表面上形成静电潜像 ，然后显影静电潜像。

    Method for preparing an electrophotographic photoreceptor
    17.
    发明授权
    Method for preparing an electrophotographic photoreceptor 失效
    电子照相感光体的制备方法

    公开(公告)号：US5403691A

    公开(公告)日：1995-04-04

    申请号：US50512

    申请日：1993-04-20

    申请人： Takeo Oshiba ,  Yoshihiko Etoh ,  Yoshiaki Takei

    发明人： Takeo Oshiba ,  Yoshihiko Etoh ,  Yoshiaki Takei

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

    CPC分类号： G03G5/0679 ,  G03G5/0614

    摘要： Disclosed is a method for preparing an electrophotographic photoreceptor comprising the steps of:(a) preparing a dispersion solution comprising a carrier generation material, a binder resin and an organic solvent; and(b) coating said dispersion solution on a conductive support; wherein said carrier generation material is a fluorenone type bisazo pigment represented by Formula F.sub.1, and main component of said organic solvent is selected from the group consisting of a ketone type solvent, an ester type solvent and an alcohol type each having a branched alkyl group: ##STR1## wherein X.sub.1, X.sub.2, p, q, and A, are defined as in the Specification.

    摘要翻译： 公开了一种制备电子照相感光体的方法，包括以下步骤：（a）制备包含载体产生材料，粘合剂树脂和有机溶剂的分散溶液; 和（b）将所述分散液涂覆在导电载体上; 其中所述载体产生材料是由式F1表示的芴酮型双偶氮颜料，所述有机溶剂的主要组分选自酮类溶剂，酯型溶剂和各自具有支链烷基的醇类： 其中X1，X2，p，q和A如本说明书中所定义。

    Electrophotography photoreceptor
    18.
    发明授权
    Electrophotography photoreceptor 失效
    电子照相感光体

    公开(公告)号：US5679488A

    公开(公告)日：1997-10-21

    申请号：US556131

    申请日：1995-11-09

    申请人： Akihiko Itami ,  Yoshiaki Takei ,  Chikusa Fukumoto ,  Takeo Oshiba ,  Yoshihiko Etoh

    发明人： Akihiko Itami ,  Yoshiaki Takei ,  Chikusa Fukumoto ,  Takeo Oshiba ,  Yoshihiko Etoh

    IPC分类号： G03G5/147 ,  G03G5/047

    CPC分类号： G03G5/14704

    摘要： Disclosed is an electrophotographic photoreceptor comprising a conductive support and provided thereon an intermediate layer, a carrier generation layer and a carrier transport layer, wherein an outermost layer of said electrophotographic photoreceptor contains silica particle each containing an aluminium ingredient of not more than 1000 ppm, a calcium ingredient of not more than 300 ppm and a iron ingredient of not more than 1000 ppm, and said silica particles have a volume average particle size of 0.05 through 5 .mu.m.

    摘要翻译： 公开了一种电子照相感光体，其包含导电性支持体，在其上设置有中间层，载体产生层和载体输送层，其中，所述电子照相感光体的最外层含有二氧化硅颗粒，每个二氧化硅颗粒均含有不超过1000ppm的铝成分， 钙成分不大于300ppm，铁成分不超过1000ppm，所述二氧化硅粒子的体积平均粒径为0.05〜5μm。

    Photorecptor for electrophotography and image forming method
    19.
    发明授权
    Photorecptor for electrophotography and image forming method 失效
    光刻胶用于电子照相和成像方法

    公开(公告)号：US5434027A

    公开(公告)日：1995-07-18

    申请号：US170855

    申请日：1993-12-21

    申请人： Takeo Oshiba ,  Yoshihiko Etoh ,  Asao Matsushima ,  Yoshiaki Takei

    发明人： Takeo Oshiba ,  Yoshihiko Etoh ,  Asao Matsushima ,  Yoshiaki Takei

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0657 ,  G03G5/0659

    摘要： The present invention is directed to a photoreceptor having an electroconductive support, a barrier layer, a charge generation layer and a charge transport layer, all formed on the support in this order, wherein the barrier layer consists of an alcohol-soluble copolymerized polyamide resin, the charge generation layer contains a compound represented by formula I or II, and the charge transport layer contains a polycarbonate resin having a molecular weight of not less than 100,000, ##STR1## wherein Z represents a groups of atoms necessary to form a substituted or unsubstituted divalent aromatic ring.

    摘要翻译： 本发明涉及一种具有导电性支持体，阻挡层，电荷产生层和电荷输送层的感光体，其全部以该顺序形成在载体上，其中阻隔层由醇溶性共聚聚酰胺树脂， 电荷产生层含有由式I或II表示的化合物，电荷输送层含有分子量不小于100,000的聚碳酸酯树脂，形成取代或未取代的二价芳环所需的原子。

    Polycarbonate-containing photoreceptors containing a hindered phenol compound
    20.
    发明授权
    Polycarbonate-containing photoreceptors containing a hindered phenol compound 失效
    含有受阻酚化合物的含聚碳酸酯的感光体

    公开(公告)号：US4931372A

    公开(公告)日：1990-06-05

    申请号：US262486

    申请日：1988-10-25

    申请人： Yoshiaki Takei ,  Eiichi Sakai

    发明人： Yoshiaki Takei ,  Eiichi Sakai

    IPC分类号： G03G5/05 ,  G03G5/147

    CPC分类号： G03G5/0517 ,  G03G5/0564 ,  G03G5/14708 ,  G03G5/14756

    摘要： An electrophotographic photoreceptor is disclosed, which is improved in layer casting property, mechanical strength and scratch and abrasion resistance, and also improved in electric property in repetitive use. The photoreceptor is comprised of a support having thereon a photoreceptive layer, and a surface portion of the layer, which is outermost from the support, contains a polycarbonate having at least one of principal repetition units represented by the following formulas I and II, and a compound having a hindered phenol structural unit in the molecules thereof; ##STR1##

    摘要翻译： 公开了一种电子照相感光体，其提高了铸造性能，机械强度和耐划伤和耐磨性，并且还提高了重复使用中的电性能。 感光体由其上具有感光层的支撑体构成，并且该层的表面部分从支撑体最外侧包含具有由下式I和II表示的主要重复单元中的至少一个的聚碳酸酯，以及 在其分子中具有受阻酚结构单元的化合物; 公式I Formula II