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    Electrophotographic photoconductor, method for producing the same, image forming process, image forming apparatus and process cartridge
    6.
    发明授权
    Electrophotographic photoconductor, method for producing the same, image forming process, image forming apparatus and process cartridge 有权
    电子照相感光体，其制造方法，成像工艺，成像设备和处理盒

    公开(公告)号：US07851119B2

    公开(公告)日：2010-12-14

    申请号：US11850394

    申请日：2007-09-05

    申请人： Tetsuya Toshine ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

    发明人： Tetsuya Toshine ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

    IPC分类号： G03G7/00

    CPC分类号： G03G5/051 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0525 ,  G03G5/0532 ,  G03G5/0535 ,  G03G5/0578 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

    摘要： The present invention provides an electrophotographic photoconductor capable of reducing latent electrostatic image stability defects caused by adhesion/adsorption of an electric discharge product formed by a charger in an image forming process, degradation of charge transportability and cleaning defects caused when removing a residual toner. The electrophotographic photoconductor has a conductive substrate, and a photosensitive layer which contains at least a binder, a charge generating material and a charge transporting material and is formed on the substrate, wherein the photosensitive layer contains an injection material composed of at least any one of one wax selected from paraffin waxes, Fisher-Tropsh waxes, polyolefin waxes and a polyorganosiloxane compound in an area from the surface of the photosensitive layer to 50% of the thickness thereof in the thickness direction of the electrophotographic photoconductor, and the content of the injection material is 3% by mass or more to the content of the binder.

    摘要翻译： 本发明提供了一种电子照相感光体，其能够降低在图像形成过程中由充电器形成的放电产物的附着/吸附引起的静电潜像稳定性缺陷，电荷输送性降低和清除残留调色剂时引起的清洁缺陷。 电子照相感光体具有导电性基材和至少含有粘合剂，电荷产生材料和电荷输送材料并形成在基材上的感光层，其中感光层含有由以下的至少一种构成的注入材料： 在感光层的表面至电子照相感光体的厚度方向的50％的范围内，选自石蜡，Fisher-Tropsh蜡，聚烯烃蜡和聚有机硅氧烷化合物的一种蜡，以及注射用量 材料相对于粘合剂的含量为3质量％以上。

    ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, METHOD FOR PRODUCING THE SAME, IMAGE FORMING PROCESS, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
    8.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, METHOD FOR PRODUCING THE SAME, IMAGE FORMING PROCESS, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 有权
    电子照相机，其制造方法，图像形成工艺，图像形成装置和工艺盒

    公开(公告)号：US20080063962A1

    公开(公告)日：2008-03-13

    申请号：US11850394

    申请日：2007-09-05

    申请人： Tetsuya TOSHINE ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

    发明人： Tetsuya TOSHINE ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

    IPC分类号： G03G15/02 ,  G03G5/00

    CPC分类号： G03G5/051 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0525 ,  G03G5/0532 ,  G03G5/0535 ,  G03G5/0578 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

    摘要： The present invention provides an electrophotographic photoconductor capable of reducing latent electrostatic image stability defects caused by adhesion/adsorption of an electric discharge product formed by a charger in an image forming process, degradation of charge transportability and cleaning defects caused when removing a residual toner. The electrophotographic photoconductor has a conductive substrate, and a photosensitive layer which contains at least a binder, a charge generating material and a charge transporting material and is formed on the substrate, wherein the photosensitive layer contains an injection material composed of at least any one of one wax selected from paraffin waxes, Fisher-Tropsh waxes, polyolefin waxes and a polyorganosiloxane compound in an area from the surface of the photosensitive layer to 50% of the thickness thereof in the thickness direction of the electrophotographic photoconductor, and the content of the injection material is 3% by mass or more to the content of the binder.

    摘要翻译： 本发明提供了一种电子照相感光体，其能够降低在图像形成过程中由充电器形成的放电产物的附着/吸附引起的静电潜像稳定性缺陷，电荷输送性降低和清除残留调色剂时引起的清洁缺陷。 电子照相感光体具有导电性基材和至少含有粘合剂，电荷产生材料和电荷输送材料并形成在基材上的感光层，其中感光层含有由以下的至少一种构成的注入材料： 在感光层的表面至电子照相感光体的厚度方向的50％的范围内，选自石蜡，Fisher-Tropsh蜡，聚烯烃蜡和聚有机硅氧烷化合物的一种蜡，以及注射用量 材料相对于粘合剂的含量为3质量％以上。

    Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor
    9.
    发明授权
    Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor 有权
    电子照相感光体，以及使用感光体的成像设备及其处理盒

    公开(公告)号：US08568945B2

    公开(公告)日：2013-10-29

    申请号：US12625746

    申请日：2009-11-25

    申请人： Hiromi Tada ,  Naohiro Toda ,  Yuuji Tanaka ,  Norio Nagayama ,  Yoshinori Inaba ,  Takafumi Iwamoto

    发明人： Hiromi Tada ,  Naohiro Toda ,  Yuuji Tanaka ,  Norio Nagayama ,  Yoshinori Inaba ,  Takafumi Iwamoto

    IPC分类号： G03G5/047 ,  G03G15/04

    CPC分类号： G03G5/0575 ,  G03G5/0542 ,  G03G5/0592 ,  G03G5/0696 ,  G03G2215/00957

    摘要： An electrophotographic photoreceptor, including a charge generation layer and a charge transport layer on an electroconductive substrate, wherein the charge generation layer includes titanylphthalocyanine and a binder resin which is a crosslinked material of a resin comprising a polyvinylbutyrat site having the following formula (1) and an isocyanate compound having the following formula (2): wherein R1 and R2 independently represent an alkyl group having 1 to 3 carbon atoms; k, l, m and n represent composition ratios and k+1 is from 0.60 to 0.80, wherein k or 1 may be 0, m is from 0.02 to 0.03, and n is from 0.20 to 0.40; wherein A represents a substituted or unsubstituted organic group having 2 to 4 valences; and O represents an integer of from 2 to 4.

    摘要翻译： 一种电子照相感光体，包括在导电性基体上的电荷产生层和电荷传输层，其中电荷产生层包括钛氧基酞菁和作为包含具有下式（1）的聚乙烯基丁酸酯位置的树脂的交联材料的粘合剂树脂和 具有下式（2）的异氰酸酯化合物：其中R 1和R 2独立地表示具有1至3个碳原子的烷基; k，l，m和n表示组成比，k + 1为0.60〜0.80，其中k或1可以为0，m为0.02〜0.03，n为0.20〜0.40; 其中A表示取代或未取代的有2-4价的有机基团; O表示2〜4的整数。

    Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor
    10.
    发明授权
    Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor 有权
    电子照相感光体，使用电子照相感光体的成像装置，以及电子照相感光体的制造方法

    公开(公告)号：US08178266B2

    公开(公告)日：2012-05-15

    申请号：US12489833

    申请日：2009-06-23

    申请人： Hiromi Tada ,  Nozomu Tamoto ,  Tomoyuki Shimada ,  Takafumi Iwamoto

    发明人： Hiromi Tada ,  Nozomu Tamoto ,  Tomoyuki Shimada ,  Takafumi Iwamoto

    IPC分类号： G03G5/047

    CPC分类号： G03G5/144 ,  G03G5/0521 ,  G03G5/0542 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/0614 ,  G03G5/0672 ,  G03G5/0696 ,  G03G5/14791 ,  Y10S430/103

    摘要： An electrophotographic photoreceptor is provided that contains a conductive substrate, an undercoat layer, a charge generation layer, and a charge transport layer, wherein the under coat layer contains a binder resin and multiple inorganic pigments each having different average primary particle diameters in a total amount of from 75 to 86% by weight, the charge generation layer contains a binder resin and a titanyl phthalocyanine pigment having a specific X-ray diffraction spectrum in an amount of from 70 to 85% by weight, the charge transport layer comprises a specific distyryl compound, and the following formulae (2-1) to (2-3) are satisfied: 0.2≦(D(F2)/D(G))≦0.5  (2-1) 0.2≦D(F1)  (2-2) D(F2)≦D(F1)  (2-3) wherein D(F1) (μm) and D(F2) (μm) represent average primary particle diameters of the largest and smallest inorganic pigments, respectively, and D(G) (μm) represents an average primary particle diameter of the titanyl phthalocyanine pigment.

    摘要翻译： 提供一种电子照相感光体，其包含导电性基材，底涂层，电荷产生层和电荷输送层，其中，所述底涂层含有粘合剂树脂和各自具有总量不同的平均一次粒径的多种无机颜料 为75〜86重量％，电荷产生层含有粘合剂树脂和重量百分比为70〜85重量％的特定X射线衍射光谱的钛酞菁颜料，电荷传输层包含特定的二苯乙烯基 化合物，满足下列式（2-1）〜（2-3）：0.2＆nlE;（D（F2）/ D（G））＆nlE; 0.5（2-1）0.2＆ 2-2）D（F2）＆nlE; D（F1）（2-3）其中D（F1）（μm）和D（F2）（μm）分别代表最大和最小无机颜料的平均一次粒径， D（G）（μm）表示钛酞菁颜料的平均一次粒径。