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    • 3. 发明申请
    • Method of preparing toner and toner prepared using the method
    • 使用该方法制备调色剂和调色剂的方法
    • US20080145776A1
    • 2008-06-19
    • US11898747
    • 2007-09-14
    • Yo-da ShinTae-hoe KooKyung-yol YonMin-young Cheong
    • Yo-da ShinTae-hoe KooKyung-yol YonMin-young Cheong
    • G03G9/093G03G13/06G03G15/08
    • G03G9/0806G03G9/08728G03G9/08731G03G9/08753G03G9/08755G03G9/08759G03G9/08762G03G9/09392
    • A method of preparing toner includes: preparing a primary latex by polymerizing a toner composition including a macromonomer having a hydrophilic group, a hydrophobic group and at least one reactive functional group, and at least one polymerizable monomer; preparing a primary agglomerated toner by mixing the primary latex with a pigment dispersion dispersed by the macromonomer and adding an inorganic salt to the mixture; and coating the primary agglomerated toner using a secondary latex including a core formed by polymerizing the macromonomer and at least one polymerizable monomer, a wax layer formed on the core by applying a dispersion in which at least one polymerizable monomer is dispersed in a wax, and a shell layer formed on the wax layer by adding at least one polymerizable monomer to the wax layer. A toner prepared by the method is also provided. According to the method, the manufacture process of toner can be simplified, the amount of wastewater can be minimized by reducing the amount of a surfactant, charge stability, durability, fusing ratio and glossiness of the final toner can be improved by coating the secondary latex having a relatively higher Tg than the primary latex and including a wax layer and a shell layer, and the shape and size of toner particles can be regulated.
    • 制备调色剂的方法包括:通过聚合包含具有亲水基团,疏水基团和至少一个反应性官能团的大分子单体的调色剂组合物和至少一种可聚合单体来制备初级胶乳; 通过将初级胶乳与由大分子单体分散的颜料分散体混合并向混合物中加入无机盐来制备初级附聚调色剂; 并使用包含通过使大分子单体和至少一种可聚合单体聚合形成的芯的第二胶乳涂布,通过将至少一种可聚合单体分散在蜡中的分散体形成在芯上形成的蜡层,以及 通过向蜡层中加入至少一种可聚合单体而形成在蜡层上的壳层。 还提供了通过该方法制备的调色剂。 根据该方法,可以简化调色剂的制造过程,通过减少表面活性​​剂的量可以使废水的量最小化,电荷稳定性,耐久性,最终调色剂的熔合率和光泽度可以通过涂覆第二胶乳 具有比初级胶乳相对更高的Tg,并且包括蜡层和壳层,并且可以调节调色剂颗粒的形状和尺寸。