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    • 5. 发明申请
    • METHOD FOR PRODUCING TONER
    • 生产调色剂的方法
    • US20120021353A1
    • 2012-01-26
    • US13185864
    • 2011-07-19
    • Hiroshi NAGASAWAMikio KOUYAMAKenji HAYASHIHiroaki OBATA
    • Hiroshi NAGASAWAMikio KOUYAMAKenji HAYASHIHiroaki OBATA
    • G03G9/087
    • G03G9/0804G03G9/08755G03G9/08793G03G9/08795G03G9/08797
    • Disclosed is a method for producing toner, comprising (1) mixing, with an aqueous medium, a resin solution of an organic solvent in which amorphous polyester resin having unsaturated dicarboxylic acid monomer units is dissolved, and forming an amorphous polyester resin particle dispersion; (2) adding a radical polymerization initiator to the amorphous polyester resin particle dispersion obtained in (1), cross-linking the amorphous polyester resin, and forming a cross-linked amorphous polyester resin particle dispersion; and (3) mixing at least the cross-linked amorphous polyester resin particle dispersion obtained in (2), with a crystalline polyester resin particle dispersion, aggregating cross-linked amorphous polyester resin particles and crystalline polyester resin particles, and forming toner particles.
    • 公开了一种调色剂的制造方法,其特征在于,包括:(1)在水性介质中混合溶解有不饱和二羧酸单体单元的无定形聚酯树脂的有机溶剂的树脂溶液,形成无定形聚酯树脂粒子分散液; (2)向(1)中得到的无定形聚酯树脂粒子分散液中添加自由基聚合引发剂,交联无定形聚酯树脂,形成交联的无定形聚酯树脂粒子分散液; 和(3)至少将(2)中得到的交联的无定形聚酯树脂颗粒分散体与结晶性聚酯树脂颗粒分散体,聚集交联的无定形聚酯树脂颗粒和结晶聚酯树脂颗粒混合,并形成调色剂颗粒。