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    • 31. 发明申请
    • METHOD FOR PRODUCING POLYMERIZED TONER, POLYMERIZED TONER, METHOD FOR PRODUCING BINDER RESIN FOR TONER AND BINDER RESIN FOR TONER
    • 生产聚合物聚合物的方法,聚合物调色剂,用于生产用于调色剂和粘合剂树脂的粘合剂的粘合剂的方法
    • US20100119965A1
    • 2010-05-13
    • US12593637
    • 2008-05-16
    • Atsushi TaniNorikazu FujimotoHitoshi Itabashi
    • Atsushi TaniNorikazu FujimotoHitoshi Itabashi
    • G03G9/087G03G9/08
    • G03G9/0806
    • The present invention provides a method for producing a toner that can suppress the production of the decomposition products derived from a polymerization initiator, and can suppress the remaining presence, in the toner particles, of the unreacted polymerizable monomer and decomposition product residues. On the basis of this method, the present invention provides a toner that is excellent in triboelectric charging stability and can yield stable images over a long term. The present invention provides a method for producing a polymerized toner including a step of producing a polymerized toner particle by dispersing in an aqueous medium a polymerizable monomer composition including at least a polymerizable monomer and a colorant and by polymerizing the polymerizable monomer by using a polymerization initiator in the aqueous medium, the method being characterized in that the polymerization initiator has a structure represented by the following General Formula: (wherein R1 and R2 each independently represent an optionally branched or substituted aliphatic hydrocarbon group having 1 to 6 carbon atoms, and R3 represents an optionally branched aliphatic hydrocarbon group having 3 to 12 carbon atoms).
    • 本发明提供了一种制造可以抑制由聚合引发剂衍生的分解产物的生成的调色剂的方法,并且可以抑制调色剂颗粒中未反应的可聚合单体和分解产物残余物的残留。 基于该方法,本发明提供了一种具有优异的摩擦带电稳定性并可长期产生稳定图像的调色剂。 本发明提供一种生产聚合调色剂的方法,其包括通过在水介质中分散至少包含可聚合单体和着色剂的可聚合单体组合物并通过使用聚合引发剂聚合可聚合单体来生产聚合调色剂颗粒的步骤 在水性介质中,该方法的特征在于聚合引发剂具有由以下通式表示的结构:(其中R 1和R 2各自独立地表示可以具有取代基的碳原子数为1〜6的脂肪族烃基,R 3表示 任选具有3至12个碳原子的支链脂族烃基)。