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    • 44. 发明授权
    • Toner for electrophotography and method of preparing the toner
    • 电子照相用调色剂和调色剂的制备方法
    • US08445171B2
    • 2013-05-21
    • US12187717
    • 2008-08-07
    • Kazumi SuzukiYohichiroh Watanabe
    • Kazumi SuzukiYohichiroh Watanabe
    • G03G5/00
    • G03G9/0804G03G9/0812G03G9/0821
    • A method of preparing a toner, including dripping a toner constituent liquid comprising an organic solvent; and toner constituents comprising a resin and a colorant, which are dissolved or dispersed in the organic solvent through a nozzle to form a droplet; and removing the organic solvent from the droplet, wherein the droplet is dried while contacted with a first de-solvent gas comprising steam in a pre-heated period and at least a part of a constant-rate drying period, or the droplet is dried at least in a pre-heated period and a constant-rate drying period, which include two stages including a first stage and a second stage, wherein the droplet is contacted with the first de-solvent gas including steam in the first stage and a second de-solvent gas having a dew point not greater than −10° C. under ordinary pressure in the second stage.
    • 一种制备调色剂的方法,包括滴加包含有机溶剂的调色剂构成液; 以及包含树脂和着色剂的调色剂组分,其通过喷嘴溶解或分散在有机溶剂中以形成液滴; 并且从液滴中除去有机溶剂,其中在预热时段和至少部分恒定速率的干燥期间,将微滴干燥,同时与包含蒸汽的第一脱溶剂气体接触,或者液滴在 至少在预热期间和恒定速率的干燥期间,其包括包括第一阶段和第二阶段的两个阶段,其中所述液滴与包括第一阶段中的蒸汽的第一脱溶剂气体接触,第二阶段 在第二阶段的常压下露点不大于-10℃的溶剂气体。