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    Method for making an image and a photosensitive body for liquid development
    3.
    发明授权
    Method for making an image and a photosensitive body for liquid development 失效
    用于制造图像的方法和用于液体显影的感光体

    公开(公告)号：US5702856A

    公开(公告)日：1997-12-30

    申请号：US727313

    申请日：1996-10-08

    申请人： Kiyokazu Mashimo ,  Fumio Ojima ,  Toru Ishii ,  Katsumi Nukada

    发明人： Kiyokazu Mashimo ,  Fumio Ojima ,  Toru Ishii ,  Katsumi Nukada

    IPC分类号： G03G5/05 ,  G03G5/07 ,  G03G13/10 ,  G03G5/087

    CPC分类号： G03G5/076 ,  G03G5/0564

    摘要： In a method for making an image comprising the steps of forming an electrostatic image on a photosensitive body having a photosensitive layer and forming a visible image by means of a liquid development utilizing a developing liquid for electrostatic charge, the photosensitive layer comprises, as an electric charge transporting material, an electric charge transporting polymeric compound which contains as a partial moiety of repeating units the structures represented by the following general formulas 1-1 and/or 1-2, ##STR1## where R.sub.1 -R.sub.4 are each independently hydrogen, an alkyl radical that may have a substituent, or the like, X is a substituted or unsubstituted divalent aryl radical, k and l are each an integer of 0 or 1, and T is a divalent hydrocarbon radical of 1-10 carbon atoms that may be branched.

    摘要翻译： 在制造图像的方法中，包括以下步骤：在具有感光层的感光体上形成静电图像，并通过利用静电荷显影液的液体显影形成可视图像，感光层包括作为电 电荷输送性高分子化合物，作为重复单元的部分部分含有以下通式1-1和/或1-2所示结构的电荷输送性高分子化合物，（I-1） -2）其中R 1 -R 4各自独立地为氢，可具有取代基的烷基等，X为取代或未取代的二价芳基，k和l各自为0或1的整数，T为 可以是支链的1-10个碳原子的二价烃基。

    Electrophotographic photoreceptor
    6.
    发明授权
    Electrophotographic photoreceptor 失效
    电子照相感光体

    公开(公告)号：US5529868A

    公开(公告)日：1996-06-25

    申请号：US402382

    申请日：1995-03-13

    申请人： Kiyokazu Mashimo ,  Fumio Ojima ,  Tomozumi Uesaka ,  Toru Ishii ,  Kazuyuki Nakamura ,  Takahiro Suzuki

    发明人： Kiyokazu Mashimo ,  Fumio Ojima ,  Tomozumi Uesaka ,  Toru Ishii ,  Kazuyuki Nakamura ,  Takahiro Suzuki

    IPC分类号： G03G5/047 ,  G03G5/06

    CPC分类号： G03G5/0614 ,  G03G5/047

    摘要： An electrophotographic photoreceptor comprising a conductive substrate having provided thereon a photosensitive layer, wherein said photosensitive layer contains, as charge transporting material (i) at least one triarylamine compound represented by formula (I) ##STR1## wherein the definition of Ar.sub.1, Ar.sub.2 are described in the present specification; and (ii) at least one benzidine compound represented by formula (II) ##STR2## wherein the definition of R.sub.1, R.sub.1 ', R.sub.2, R.sub.2 ', R.sub.3, R.sub.3 ', m and n is described in the specification. The photoreceptor maintains its electrical characteristics stably on repeated use.

    摘要翻译： 一种电子照相感光体，包括在其上设置有感光层的导电基底，其中所述感光层包含作为电荷输送材料（i）至少一种由式（I）表示的三芳基胺化合物，其中Ar1， Ar2在本说明书中描述; 和（ii）由式（II）表示的至少一种联苯胺化合物其中R1，R1'，R2，R2'，R3，R3'，m和n的定义在说明书中描述。 光感受器在重复使用时稳定地保持其电特性。

    Electrophotographic process
    7.
    发明授权
    Electrophotographic process 失效
    电子照相法

    公开(公告)号：US5626997A

    公开(公告)日：1997-05-06

    申请号：US396729

    申请日：1995-03-01

    申请人： Kiyokazu Mashimo ,  Fumio Ojima ,  Tomozumi Uesaka ,  Tomoo Kobayashi ,  Toru Ishii

    发明人： Kiyokazu Mashimo ,  Fumio Ojima ,  Tomozumi Uesaka ,  Tomoo Kobayashi ,  Toru Ishii

    IPC分类号： G03G5/043 ,  G03G5/07 ,  G03G15/02 ,  G03G13/24

    CPC分类号： G03G15/0216 ,  G03G15/0291

    摘要： In an electrophotographic process including an image forming process comprising a charging step of bringing a conductive charging member into contact with a surface of a photoreceptor and applying a superimposed voltage of a direct current voltage and an alternating current voltage to said conductive charging member to directly charge the surface of the photoreceptor, an image exposing step, and a developing step, the application of the voltage to said conductive charging member is stopped for every cycle of the image forming process, whereby the wear of the photoreceptive layer can be reduced and the life of the photoreceptor can be extremely improved.

    摘要翻译： 在包括图像形成处理的电子照相方法中，所述图像形成工艺包括使导电充电部件与感光体的表面接触并将直流电压和交流电压的叠加电压施加到所述导电充电部件的充电步骤，以直接充电 感光体的表面，图像曝光步骤和显影步骤，在图像形成处理的每个周期停止向所述导电充电部件施加电压，由此可以减少感光层的磨损并且寿命 的感光体可以极大地改善。

    Electrophotographic photoreceptor with polycarbonate resin mixture
    8.
    发明授权
    Electrophotographic photoreceptor with polycarbonate resin mixture 失效
    电子照相感光体与聚碳酸酯树脂混合

    公开(公告)号：US5382489A

    公开(公告)日：1995-01-17

    申请号：US099541

    申请日：1993-07-30

    申请人： Fumio Ojima ,  Kiyokazu Mashimo ,  Toru Ishii ,  Tomoo Kobayashi ,  Taketoshi Hoshizaki

    发明人： Fumio Ojima ,  Kiyokazu Mashimo ,  Toru Ishii ,  Tomoo Kobayashi ,  Taketoshi Hoshizaki

    IPC分类号： C09D169/00 ,  G03G5/05 ,  G03G5/04

    CPC分类号： G03G5/0564 ,  C09D169/00 ,  G03G5/0592

    摘要： An electrophotographic photoreceptor comprising a conductive substrate having formed thereon a photosensitive layer containing, as binder resins, (A) a polycarbonate resin comprising a recurring unit represented by formula (I): ##STR1## and (B) a polycarbonate resin comprising a recurring unit represented by formula (II) or (III): ##STR2## wherein X.sub.1 and X.sub.2 each represent a hydrogen atom or an alkyl group, or (B') a copolycarbonate resin comprising a recurring unit represented by formula (II) and a recurring unit represented by formula (IV): ##STR3## said polycarbonate resin (B) or copolycarbonate resin (B') having a lower molecular weight than that of said polycarbonate resin (A). The photoreceptor had high film strength against abrasion and causes no toner filming or adhesion of any other foreign substances and is therefore excellent in electric characteristics and image characteristics.

    摘要翻译： 一种电子照相感光体，包括在其上形成有感光层的感光层，该感光层含有作为粘合剂树脂的（A）包含由式（I）表示的重复单元的聚碳酸酯树脂：（I）和（B）包含 （II）或（III）表示的重复单元：其中X 1和X 2各自表示氢原子或烷基，或（B'）共聚碳酸酯树脂，其包含 （IV）表示的重复单元和由式（IV）表示的重复单元：所述聚碳酸酯树脂（B）或分子量低于所述聚碳酸酯树脂的聚碳酸酯树脂（B'）（Ⅳ） 一个）。 感光体对于磨损具有高的膜强度，并且不会引起任何其它异物的调色剂成膜或粘附，因此具有优异的电特性和图像特性。

    Electrophotographic photoreceptor
    9.
    发明授权
    Electrophotographic photoreceptor 失效
    电子照相感光体

    公开(公告)号：US5578406A

    公开(公告)日：1996-11-26

    申请号：US517348

    申请日：1995-08-21

    申请人： Fumio Ojima ,  Tomoo Kobayashi ,  Toru Ishii ,  Kiyokazu Mashimo ,  Tomozumi Uesaka

    发明人： Fumio Ojima ,  Tomoo Kobayashi ,  Toru Ishii ,  Kiyokazu Mashimo ,  Tomozumi Uesaka

    IPC分类号： G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/09

    CPC分类号： G03G5/0614 ,  G03G5/047 ,  G03G5/0564

    摘要： An electrophotographic photoreceptor is disclosed which comprises an electroconductive substrate and a photosensitive layer formed thereon, said photosensitive layer containing as a binder resin a copolycarbonate resin comprising a structural unit represented by formula (I) ##STR1## and a structural unit represented by formula (II) ##STR2## wherein X and X' each is hydrogen, a halogen, or methyl; R, a substituent, is hydroxyl, carboxyl, acetyl, or a C.sub.1-4 alkyl; and j is 0 to 3 and further containing as a charge transport material a triarylamine compound represented by formula (III) ##STR3## wherein R.sub.1 is hydrogen or methyl; k is 1 or 2; and Ar.sub.1 and Ar.sub.2 each is an optionally substituted aryl.

    摘要翻译： 公开了一种电子照相感光体，其包括导电基材和形成在其上的感光层，所述感光层包含作为粘合剂树脂的共聚碳酸酯树脂，其包含由式（I）表示的结构单元（I）和由式 式（II）其中X和X'各自为氢，卤素或甲基; R为取代基，为羟基，羧基，乙酰基或C 1-4烷基; 并且j为0〜3，进一步含有式（III）表示的三芳基胺化合物作为电荷输送物质，其中R 1为氢或甲基; k为1或2; Ar 1和Ar 2各自为任选取代的芳基。

    Electrophotographic photoreceptor
    10.
    发明授权
    Electrophotographic photoreceptor 失效
    电子照相感光体

    公开(公告)号：US5424159A

    公开(公告)日：1995-06-13

    申请号：US102246

    申请日：1993-08-05

    申请人： Kiyokazu Mashimo ,  Fumio Ojima ,  Toru Ishii ,  Tomoo Kobayashi ,  Taketoshi Hoshizaki ,  Ryosaku Igarashi ,  Tomozumi Uesaka

    发明人： Kiyokazu Mashimo ,  Fumio Ojima ,  Toru Ishii ,  Tomoo Kobayashi ,  Taketoshi Hoshizaki ,  Ryosaku Igarashi ,  Tomozumi Uesaka

    IPC分类号： G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/09

    CPC分类号： G03G5/047 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/0616

    摘要： An electrophotographic photoreceptor comprising a conductive substrate having formed thereon a photosensitive layer containing at least a charge generating material, a charge transporting material, and a binder resin, wherein said charge transporting material comprises a benzidine compound and/or a low-molecular weight charge transporting material having a molecular weight of from 200 to 400 and said binder resin mainly comprises a polycarbonate resin comprising a recurring unit represented by formula (I): ##STR1## and having a viscosity-average molecular weight ranging from 50,000 and 100,000, said charge transporting material and said binder resin being at a weight ratio of from 25:75 to 60:40. The photoreceptor exhibits improved abrasion resistance and improved peeling resistance while retaining excellent electrical and image characteristics.

    摘要翻译： 一种电子照相感光体，包括在其上形成有至少含有电荷产生材料，电荷输送材料和粘合剂树脂的感光层的导电基材，其中所述电荷输送材料包含联苯胺化合物和/或低分子量电荷输送 分子量为200-400的材料和所述粘结剂树脂主要包含一种聚碳酸酯树脂，其包含由式（I）代表的重复单元：（I），粘均分子量为50,000和100,000， 所述电荷输送材料和所述粘合剂树脂的重量比为25:75至60:40。 感光体表现出改进的耐磨性和改善的耐剥离性，同时保持优异的电气和图像特性。