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    • 1. 发明授权
    • Toner bearer, and developing device and image forming apparatus using same
    • 调色剂载体,以及使用其的显影装置和图像形成装置
    • US08606150B2
    • 2013-12-10
    • US13216496
    • 2011-08-24
    • Yasuyuki YamashitaRyohichi KitajimaShohei Gohda
    • Yasuyuki YamashitaRyohichi KitajimaShohei Gohda
    • G03G15/10
    • G03G15/0818G03G2215/0651
    • A toner bearer including an electroconductive substrate; an insulating layer located on the electroconductive substrate; multiple electrodes located on the insulating layer at regular intervals; an outermost layer located on the multiple electrodes; and a voltage applicator to apply a voltage between the electroconductive substrate and the multiple electrodes to form a periodically reversed electric field therebetween so that toner particles on the outermost layer hop, thereby forming a toner cloud above the outermost layer. The insulating layer includes a crosslinked material having a unit obtained from a fluorine-containing resin and a crosslinking agent. The fluorine-containing resin is selected from the group consisting of copolymers having a unit obtained from fluoroethylene having at least three fluorine atoms and a unit obtained from a vinyl ether monomer and copolymers including a unit obtained from tetrafluoroethylene and a unit obtained from a vinyl monomer.
    • 一种调色剂载体,包括导电基材; 位于所述导电性基体上的绝缘层; 多个电极以规则的间隔位于绝缘层上; 位于所述多个电极上的最外层; 以及电压施加器,以在导电基板和多个电极之间施加电压,以在其间形成周期性反转的电场,使得最外层上的调色剂颗粒跳跃,由此在最外层上形成调色剂云。 绝缘层包括具有由含氟树脂和交联剂获得的单元的交联材料。 含氟树脂选自由具有至少3个氟原子的氟代乙烯获得的单元和由乙烯基醚单体获得的单元的共聚物和包含由四氟乙烯获得的单元的共聚物和由乙烯基单体获得的单元 。