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    • 55. 发明授权
    • Method for producing toner
    • 调色剂的制造方法
    • US08057976B2
    • 2011-11-15
    • US12544839
    • 2009-08-20
    • Tomoaki UedaMasanori Abe
    • Tomoaki UedaMasanori Abe
    • G03G9/083
    • G03G15/2007G03G9/0804G03G9/0833G03G9/0836G03G9/0838
    • A toner which can efficiently induce high-frequency magnetic induction heating by Neel relaxation and/or Brown relaxation is provided. A toner including a core particle containing a thermoplastic polymer material and superparamagnetic ferrite fine particles having a particle diameter of less than 100 nm which adhere to the surfaces of the core particle is manufactured by directly forming the superparamagnetic ferrite fine particles having a particle diameter of less than 100 nm on the surfaces of the core particle so that the superparamagnetic ferrite fine particles having a particle diameter of less than 100 nm are not in contact with each other. As a result, the toner is prevented from being scattered due to the influence of a magnetic field, so that a high quality image is formed.
    • 提供了可以通过Neel松弛和/或棕色弛豫有效地诱导高频磁感应加热的调色剂。 通过直接形成粒径较小的超顺磁性铁氧体微粒,制造含有含有热塑性聚合物材料的核心颗粒和粒径小于100nm的超顺磁铁氧体细颗粒的调色剂 在核心颗粒的表面上超过100nm,使得粒径小于100nm的超顺磁铁氧体细颗粒彼此不接触。 结果,防止调色剂由于磁场的影响而被散射,从而形成高质量的图像。