Electrophotographic carrier, developer using the same, and developing method
    1.
    发明公开
    Electrophotographic carrier, developer using the same, and developing method 有权
    电子载体,以及开发者和应用开发的静电图像

    公开(公告)号:EP1205814A1

    公开(公告)日:2002-05-15

    申请号:EP01124339.1

    申请日:2001-10-22

    IPC分类号: G03G9/113 G03G9/10

    摘要: The present invention provides a carrier for electrophotography, which is capable of charging the toner in the developer very rapidly to a target electrostatic charge and at the same time, is capable of maintaining the target electrostatic charge during printing, so that the chemical fogging related to the slow charging rate can be eliminated and the image density related to the maintenance of the electrostatic charge can be preserved during printing. The charging rate and the charge maintenance of the electrophotographic carrier can be preserved if the carrier composed of magnetic core particles and the resin coat satisfies the following equation (B) > [(-19.4) × (A) +31], wherein (A) represents a carbon content (weight %) of the carrier and (B) represents a ratio of the square root of the number of emitted photoelectrons ((CPS) 1/2 ) and the photon energy (eV).

    摘要翻译: 本发明提供了用于电摄影的载体,所有这些都能够在显影剂非常快速充电的调色剂到目标的静电荷,并在同一时间,也能够保持印刷时的目标的静电荷的,所以没有涉及到化学灰雾 慢速充电率可被消除,并与维持静电电荷的图像密度可以在打印期间被保留。 充电率和所述电子照相载体的电荷保养可以如果载体组成磁性核颗粒和树脂涂层SATIS外资企业下面的等式(B)> A(-19.4)×(A)+ 31U,worin(A)的保存 darstellt载体和(B)的碳含量(重量%)darstellt发射的光电子的数量((CPS)<1/2>)和光子能量(eV)的平方根的比值。

    Developer for electrostatic image development and image forming method using the same
    2.
    发明公开
    Developer for electrostatic image development and image forming method using the same 有权
    宾夕法尼亚州立大学和Bildherstellungsverfahren

    公开(公告)号:EP1162511A3

    公开(公告)日:2003-11-26

    申请号:EP01112989.7

    申请日:2001-06-08

    IPC分类号: G03G9/113 G03G9/107

    摘要: The present invention relates to a developer for electrostatic image development comprising: a toner for electrostatic image development which comprises a resin and a colorant; and a carrier formed by a carrier core material and a resin layer including a resistance control agent which is formed on the surface of the carrier core material, wherein the resin layer of the carrier has a concentration gradient of the resistance control agent toward the thickness direction of the resin layer, a concentration of the resistance control agent is the highest in the vicinity of the carrier core material, and is gradually lowered toward the surface of the resin layer, and the resistance control agent is present on the surface of the resin layer, as well as relates to an image forming method, wherein it comprises a step of developing an electrostatic image at a developing speed of 20 m/min or higher, by means of employing the developer for electrostatic image development. The developer for electrostatic image development of the invention exhibits a stable development and transfer behavior without any variation of triboelectric charging performance, electric resistance, or the like, even when used as a two-component developer, and in addition, affords a printed image with high image quality and high grade without any fogging.

    摘要翻译: 本发明涉及一种用于静电图像显影的显影剂,其包括:静电图像显影用调色剂,其包含树脂和着色剂; 以及由载体芯材形成的载体和形成在载体芯材的表面上的电阻控制剂的树脂层,其中载体的树脂层具有电阻控制剂朝向厚度方向的浓度梯度 的电阻控制剂的浓度在载体芯材附近最高,并且朝向树脂层的表面逐渐降低,并且电阻控制剂存在于树脂层的表面上 以及涉及一种图像形成方法,其中包括通过使用用于静电图像显影的显影剂来以20m / min或更高的显影速度显影静电图像的步骤。 本发明的静电图像显影剂即使在用作双组分显影剂时也表现出稳定的显影和转印行为,而不会出现摩擦带电性能,电阻等的任何变化,并且还提供具有 高图像质量和高档无任何雾化。

    Developer for electrostatic image development and image forming method using the same
    3.
    发明公开
    Developer for electrostatic image development and image forming method using the same 有权
    开发商的静电图像显影和成像方法

    公开(公告)号:EP1162511A2

    公开(公告)日:2001-12-12

    申请号:EP01112989.7

    申请日:2001-06-08

    IPC分类号: G03G9/113 G03G9/107

    摘要: The present invention relates to a developer for electrostatic image development comprising: a toner for electrostatic image development which comprises a resin and a colorant; and a carrier formed by a carrier core material and a resin layer including a resistance control agent which is formed on the surface of the carrier core material, wherein the resin layer of the carrier has a concentration gradient of the resistance control agent toward the thickness direction of the resin layer, a concentration of the resistance control agent is the highest in the vicinity of the carrier core material, and is gradually lowered toward the surface of the resin layer, and the resistance control agent is present on the surface of the resin layer, as well as relates to an image forming method, wherein it comprises a step of developing an electrostatic image at a developing speed of 20 m/min or higher, by means of employing the developer for electrostatic image development. The developer for electrostatic image development of the invention exhibits a stable development and transfer behavior without any variation of triboelectric charging performance, electric resistance, or the like, even when used as a two-component developer, and in addition, affords a printed image with high image quality and high grade without any fogging.