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    Image forming method and apparatus
    11.
    发明公开
    Image forming method and apparatus 有权
    Bilderzeugungsverfahren und Bilderzeugungsvorrichtung

    公开(公告)号：EP1207429A2

    公开(公告)日：2002-05-22

    申请号：EP01127020.4

    申请日：2001-11-14

    申请人： CANON KABUSHIKI KAISHA

    发明人： Komoto, Keiji ,  Takiguchi, Tsuyoshi ,  Chiba, Tatsuhiko ,  Magome, Michihisa ,  Hashimoto, Akira ,  Kaburagi, Takeshi

    IPC分类号： G03G5/082 ,  G03G9/083

    CPC分类号： G03G9/0827 ,  G03G5/08214 ,  G03G9/0819 ,  G03G9/0835 ,  G03G9/09708 ,  Y10S430/102

    摘要： In an image forming system, an image-bearing member having a photoconductor layer comprising an Si-based non-single crystal material is charged at a relatively low potential of 250 to 600 volts by a contact charging member in the presence of electroconductive fine powder. An electrostatic latent image formed on the image-bearing member is developed with a magnetic toner which includes magnetic toner particles comprising at least a binder resin and a magnetic iron oxide, and inorganic fine powder and electroconductive fine powder present at the surface of the magnetic toner particles. The magnetic toner has a weight-average particle size of 3 - 10 µm and an average circularity of 0.950 to 0.995, and contains 0.05 to 3.00 % of isolated iron-containing particles.

    摘要翻译： 在图像形成系统中，具有包含Si基非单晶材料的感光体层的图像承载部件在导电细粉存在的情况下通过接触充电部件以相对较低的电压250至600伏特充电。 形成在图像承载部件上的静电潜像用包括至少包含粘合剂树脂和磁性氧化铁的磁性调色剂颗粒的磁性调色剂显影，以及存在于磁性调色剂表面的无机细粉末和导电细粉末 粒子。 磁性调色剂的重均粒径为3〜10μm，平均圆形度为0.950〜0.995，含有0.05〜3.00％的分离的含铁颗粒。

    Magenta toner for developing electrostatic images and process for production thereof
    12.
    发明公开
    Magenta toner for developing electrostatic images and process for production thereof 失效
    品红色的Toner zur Entwicklung elektrostatischer Bilder und Herstellungsverfahren

    公开(公告)号：EP0827039A1

    公开(公告)日：1998-03-04

    申请号：EP97115120.4

    申请日：1997-09-01

    申请人： CANON KABUSHIKI KAISHA

    发明人： Chiba, Tatsuhiko

    IPC分类号： G03G9/09 ,  G03G9/087

    CPC分类号： G03G9/08755 ,  G03G9/08795 ,  G03G9/092

    摘要： A magenta toner for developing an electrostatic image is formed of magenta toner particles containing at least a binder resin, a magenta pigment and a polar resin. The binder resin comprises a styrene polymer, a styrene copolymer or a mixture thereof. The magenta pigment comprises a solid solution pigment of C.I. Pigment Red 122 and C.I. Pigment Violet 19, or a solid solution pigment of C.I. Pigment Red 202 and C.I. Pigment Violet 19, and the polar resin has an acid value of 3 - 20 mgKOH/g. The magenta toner particles are preferably formed through suspension polymerization of a polymerizable monomer mixture including at least styrene monomer, the solid solution pigment and the polar resin. With the aid of the polar resin, the solid solution pigment can be well dispersed in the resultant magnetic toner particles to fully exhibit its coloring power.

    摘要翻译： 用于显影静电图像的品红色调色剂由至少含有粘合剂树脂，品红色颜料和极性树脂的品红色调色剂颗粒形成。 粘合剂树脂包括苯乙烯聚合物，苯乙烯共聚物或其混合物。 洋红色颜料包括C.I.的固溶颜料。 颜料红122和C.I. 颜料紫19，或C.I.的固溶颜料。 颜料红202和C.I. 颜料紫19，极性树脂的酸值为3-20mgKOH / g。 品红色调色剂颗粒优选通过至少包括苯乙烯单体，固溶颜料和极性树脂的可聚合单体混合物的悬浮聚合形成。 在极性树脂的帮助下，固溶颜料可以很好地分散在所得的磁性调色剂颗粒中，以充分发挥其着色力。

    Image forming method
    13.
    发明公开
    Image forming method 失效
    成像方法

    公开(公告)号：EP0574853A2

    公开(公告)日：1993-12-22

    申请号：EP93109453.6

    申请日：1993-06-14

    申请人： CANON KABUSHIKI KAISHA

    发明人： Kanbayashi, Makoto ,  Kasuya, Takashige ,  Nakamura, Tatsuya ,  Chiba, Tatsuhiko ,  Inaba, Koji

    IPC分类号： G03G15/01 ,  G03G9/08

    CPC分类号： G03G9/0806 ,  G03G9/08782 ,  G03G13/013 ,  G03G15/01 ,  G03G15/0105 ,  G03G2215/00586

    摘要： An image-forming method is disclosed. A color toner image formed on an electrostatic latent image carrier is transferred onto one surface of a transfer material and fixed on the transfer material by a fixing means through heating and melting. An other color toner image formed on the electrostatic latent image carrier is transferred onto an other surface opposite to the color toner-fixed surface of the transfer material and fixed, thereby forming color images fixed on both surfaces of the transfer material. The color toner forming the color images contains toner particles directly obtained by suspension polymerization, and the toner particles contain wax.

    摘要翻译： 公开了一种图像形成方法。 将形成在静电潜像载体上的彩色调色剂图像转印到转印材料的一个表面上，并通过加热和熔化通过定影装置将转印材料定影在转印材料上。 将形成在静电潜像载体上的其他彩色调色剂图像转印到与转印材料的彩色调色剂固定表面相反的另一表面上并固定，从而形成固定在转印材料的两个表面上的彩色图像。 形成彩色图像的彩色调色剂包含通过悬浮聚合直接获得的调色剂颗粒，并且调色剂颗粒含有蜡。

    Magnetic toner and method of manufacturing magnetic toner
    15.
    发明公开
    Magnetic toner and method of manufacturing magnetic toner 审中-公开
    磁性调色剂和制造工艺

    公开(公告)号：EP1515195A3

    公开(公告)日：2010-07-07

    申请号：EP04021605.3

    申请日：2004-09-10

    申请人： CANON KABUSHIKI KAISHA

    发明人： Chiba, Tatsuhiko ,  Magome, Michihisa ,  Yanase, Eriko ,  Kaburagi, Takeshi

    IPC分类号： G03G9/083 ,  G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/08 ,  G03G9/083 ,  G03G9/087

    摘要： The present invention provides a magnetic toner which is hardly influenced by an environment, and with which an image with high quality and excellent resolution can be stably even under low humidity. In the magnetic toner of present invention:
    I) a ratio of an iron element content to a carbon element content present on the toner particle surface is less than 0.0010;
    II) 50 number% or more of toner particles satisfy a relationship of D/C ≤ 0.02 (C: projected area diameter of toner particles, D: minimum value for a distance between a magnetic iron oxide fine particle and the toner particle surface); and
    III) 40-95 number% of toner particles satisfy a structure where 70 number% or more of the magnetic iron oxide fine particles in the respective toner particles are present up to a depth of 0.2 time as far as C from the toner particle surface.