发明公开
EP1324143A2 Magnetic composite particles for magnetic color toner, magnetic color toner using the same, method for developing magnetic latent image using the toner, and method for developing electrostatic image using the toner 审中-公开
磁性复合磁性彩色调色剂,用于磁潜像磁性彩色调色剂显影方法,以及一种用于显影静电图像

  • 专利标题: Magnetic composite particles for magnetic color toner, magnetic color toner using the same, method for developing magnetic latent image using the toner, and method for developing electrostatic image using the toner
  • 专利标题(中): 磁性复合磁性彩色调色剂,用于磁潜像磁性彩色调色剂显影方法,以及一种用于显影静电图像
  • 申请号: EP02258935.2
    申请日: 2002-12-24
  • 公开(公告)号: EP1324143A2
    公开(公告)日: 2003-07-02
  • 发明人: Ishitani, SeijiIwasaki, KeisukeMorii, HirokoHayashi, Kazuyuki
  • 申请人: Toda Kogyo Corporation
  • 申请人地址: 1-2, Funairiminami 4-chome, Naka-ku Hiroshima-shi, Hiroshima-ken JP
  • 专利权人: Toda Kogyo Corporation
  • 当前专利权人: Toda Kogyo Corporation
  • 当前专利权人地址: 1-2, Funairiminami 4-chome, Naka-ku Hiroshima-shi, Hiroshima-ken JP
  • 代理机构: Woods, Geoffrey Corlett
  • 优先权: JP2001401673 20011228
  • 主分类号: G03G9/083
  • IPC分类号: G03G9/083 G03G9/09 G03G9/097 G03G9/087
Magnetic composite particles for magnetic color toner, magnetic color toner using the same, method for developing magnetic latent image using the toner, and method for developing electrostatic image using the toner
摘要:
A magnetic color toner comprises a binder resin, a colorant and magnetic composite particles having an average particle diameter of 0.06 to 10.0 µm and comprising:

magnetic core particles,
a gluing agent coating layer which is provided on the surface of said magnetic particles, and
an organic yellow-based pigment coat, an organic red-based pigment coat or an organic blue-based pigment coat which is provided on said gluing agent coating layer in an amount of from 1 to 200 parts by weight per 100 parts by weight of said magnetic core particles. The magnetic color toner exhibits not only a clear hue but also an excellent light resistance.
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