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37 条记录 (耗时 0.041 秒)

    Image holding member for image forming apparatus, process cartridge, and image forming apparatus
    32.
    发明授权
    Image holding member for image forming apparatus, process cartridge, and image forming apparatus 有权
    用于图像形成装置，处理盒和图像形成装置的图像保持构件

    公开(公告)号：US08741515B2

    公开(公告)日：2014-06-03

    申请号：US13469606

    申请日：2012-05-11

    申请人： Hidekazu Hirose ,  Ryosaku Igarashi ,  Katsuhiro Sato

    发明人： Hidekazu Hirose ,  Ryosaku Igarashi ,  Katsuhiro Sato

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0661 ,  G03G5/0614 ,  G03G5/0648 ,  G03G5/076 ,  G03G15/0142 ,  G03G21/18

    摘要： Provided is an image holding member for an image forming apparatus including a support; and a photosensitive layer disposed on the support and containing a compound represented by the following formula (I): wherein in the formula (I), R1's each independently represent a substituted or unsubstituted, linear or branched alkyl group having from 1 to 8 carbon atoms; Ar's each independently represent a substituted or unsubstituted phenyl group, a substituted or unsubstituted monovalent polynuclear aromatic hydrocarbon group having two aromatic rings, a substituted or unsubstituted monovalent condensed aromatic hydrocarbon group having two or three aromatic rings, or a substituted or unsubstituted monovalent aromatic heterocyclic group; and n's each independently represent a number of from 0 to 7.

    摘要翻译： 提供一种用于包括支撑件的图像形成装置的图像保持构件; 和设置在载体上并含有由下式（I）表示的化合物的感光层：其中在式（I）中，R 1各自独立地表示具有1至8个碳原子的取代或未取代的直链或支链烷基 ; Ar各自独立地表示取代或未取代的苯基，具有两个芳香环的取代或未取代的一价多价芳香族烃基，具有两个或三个芳香环的取代或未取代的一价稠合芳香族烃基，或取代或未取代的1价芳香族杂环基 ; n分别独立地表示0〜7的数。

    Electrophotographic photoreceptor
    36.
    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。

    Method for determining termination time of the step of dispersing a coating composition for photosensitive layer of electrophotographic photoreceptor and electrophotographic photoreceptor prepared using the dispersion
    37.
    发明授权
    Method for determining termination time of the step of dispersing a coating composition for photosensitive layer of electrophotographic photoreceptor and electrophotographic photoreceptor prepared using the dispersion 失效
    用于分散使用该分散体制备的电子照相感光体和电子照相感光体的感光层的涂料组合物分散步骤的终止时间的方法

    公开(公告)号：US5403688A

    公开(公告)日：1995-04-04

    申请号：US646312

    申请日：1991-01-28

    申请人： Seiji Ashiya ,  Taketoshi Hoshizaki ,  Ryosaku Igarashi ,  Koji Bando ,  Masanori Murase ,  Takahiro Suzuki ,  Masahiko Hodumi ,  Sadao Okano

    发明人： Seiji Ashiya ,  Taketoshi Hoshizaki ,  Ryosaku Igarashi ,  Koji Bando ,  Masanori Murase ,  Takahiro Suzuki ,  Masahiko Hodumi ,  Sadao Okano

    IPC分类号： G03G5/00 ,  G03G5/05 ,  G03G15/08

    CPC分类号： G03G5/0525

    摘要： A method for determining a termination time of the step of dispersing a coating composition for a photosensitive layer, containing a binder resin, a powdery charge generating material and a solvent, is disclosed, which comprises (i) providing coating (I) on a substrate by coating the coating composition, following by drying, (ii) providing coating (II) on a substrate by dispersing the coating composition using a dispersion medium to fine the powdery charge generating material, followed by drying, (iii) measuring absorbances of coating (I) at two wavelengths within a short wavelength region and a long wavelength region, respectively, of the spectral absorption wavelength of the charge generating material, (iv) measuring absorbances of coating (II) at the two wavelengthes within the short wavelength region and the long wavelength region, respectively, and (v) calculating spectral absorbance ratios of coatings (I) and (II), respectively, from the following equation: ##EQU1## wherein the dispersing of the coating composition is terminated when the ratio of the spectral absorbance ratio of coating (II) to that of coating (I) exceed a predetermined value.

    摘要翻译： 公开了一种用于确定分散含有粘合剂树脂，粉末电荷产生材料和溶剂的感光层用涂料组合物的步骤的终止时间的方法，其包括（i）在基材上提供涂层（I） 通过涂覆涂料组合物，然后通过干燥，（ii）通过使用分散介质分散涂料组合物在基材上提供涂层（II），以使粉末电荷产生材料细化，然后干燥，（iii）测量涂层的吸光度（ I）分别在电荷产生材料的光谱吸收波长的短波长区域和长波长区域内的两个波长处，（iv）测量短波长区域内的两个波长处的涂层（II）的吸光度，以及 分别从长波长区域和（v）分别根据以下等式计算涂层（I）和（II）的光谱吸光度比：其中，二 当涂层（II）的光谱吸收比与涂层（I）的光谱吸收比之比超过预定值时，终止涂料组合物的喷涂。