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    • 9. 发明授权
    • Electrostatic image developing toner and producing method of the same
    • 静电图像显影调色剂及其制备方法
    • US08586278B2
    • 2013-11-19
    • US13272558
    • 2011-10-13
    • Mikihiko SukenoHajime TadokoroKen OhmuraTatsuya NagaseTomomi OshibaKenji HayashiSaburou HiraokaTomoko Mine
    • Mikihiko SukenoHajime TadokoroKen OhmuraTatsuya NagaseTomomi OshibaKenji HayashiSaburou HiraokaTomoko Mine
    • G03G9/093
    • G03G9/08755G03G9/0806G03G9/08793G03G9/08797G03G9/09321G03G9/09328G03G9/09371G03G9/09392
    • A method of producing an electrostatic image developing toner comprising toner particles comprising a binder resin containing at least a non-crystalline polyester resin having a crosslinking structure and a crystalline polyester resin, the method comprising the steps of (a-1) preparing a crystalline polyester resin particle aqueous dispersion liquid; (a-2) preparing a polymerizable unsaturated non-crystalline polyester resin aqueous dispersion liquid; (b) preparing crosslinking non-crystalline polyester resin particles by adding a radical polymerization initiator to the aqueous dispersion liquid of particles containing the non-crystalline polyester resin having a polymerizable unsaturated bond; (c) preparing core particles by aggregating at least the particles containing the crystalline polyester resin in an aqueous medium; and (d) preparing a shell layer containing the non-crystalline polyester resin having a crosslinking structure by fusing the particles containing the non-crystalline polyester resin having a crosslinking structure on surfaces of the core particles in an aqueous medium.
    • 一种静电图像显影调色剂的制造方法,其包含调色剂颗粒,所述调色剂颗粒包含至少含有具有交联结构的非结晶性聚酯树脂和结晶性聚酯树脂的粘合剂树脂,所述方法包括以下步骤:(a-1)制备结晶聚酯 树脂颗粒水分散液; (a-2)制备聚合性不饱和非结晶性聚酯树脂水性分散液; (b)通过向包含具有聚合性不饱和键的非结晶性聚酯树脂的粒子的水性分散液中添加自由基聚合引发剂来制备交联的非结晶性聚酯树脂粒子; (c)通过在水性介质中至少聚集含有结晶性聚酯树脂的颗粒来制备芯颗粒; 和(d)通过在水性介质中将含有具有交联结构的非结晶性聚酯树脂的颗粒在芯颗粒的表面上熔融来制备含有具有交联结构的非结晶性聚酯树脂的壳层。