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    • 9. 发明授权
    • Process for producing toner for developing electrostatic image
    • 用于生产静电图像显影用调色剂的方法
    • US06720123B2
    • 2004-04-13
    • US10066614
    • 2002-02-06
    • Yuqing XuKazuo MitsuhashiTomohiko TokunagaToyomasa Hoshino
    • Yuqing XuKazuo MitsuhashiTomohiko TokunagaToyomasa Hoshino
    • C08J3215
    • G03G9/0804G03G9/0806
    • A process for producing a toner for developing electrostatic image is described, which involves an agglomerate step wherein a dispersion liquid containing at least primary polymer particles and colorant particles is stirred in a stirring tank to agglomerate the particles to thereby obtain agglomerate of the particles and an aging step wherein the resultant agglomerate of the particles is kept at a temperature higher than the glass transition temperature (Tg) of the primary polymer particles by 10° C. or more for a predetermined period of time to thereby fuse the particles, which process is characterized in that the concentration of solid content (C1) in the agglomerate step is 10 to 40% by weight, and that the concentration of the solid content (C2) in the aging step is in the range of 0.3C1≦C2≦0.8C1.
    • 描述了一种用于生产用于静电图像显影的调色剂的方法,其包括附聚步骤,其中将至少含有初级聚合物颗粒和着色剂颗粒的分散液在搅拌槽中搅拌以使颗粒聚集,从而获得颗粒的附聚物和 老化步骤,其中所得颗粒的附聚物保持在比主要聚合物颗粒的玻璃化转变温度(Tg)高10℃或更长的温度下一段预定的时间,从而熔化颗粒,该过程是 其特征在于,凝聚体工序中固体成分(C1)的浓度为10〜40重量%,老化工序中固体成分浓度(C2)为0.3C1 <= C2&LE; 0.8 C1。