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    • 9. 发明授权
    • Resin coated carrier for electrophotography and two-component developer for electrophotography made therefrom
    • 用于电子照相的树脂涂覆载体和由其制成的用于电子照相的双组分显影剂
    • US07682764B2
    • 2010-03-23
    • US11108745
    • 2005-04-19
    • Akira FujiwaraYoshiaki Harada
    • Akira FujiwaraYoshiaki Harada
    • G03G9/113
    • G03G9/1133G03G9/10G03G9/107G03G9/1136
    • A resin coated carrier for electrophotography and a two-component developer for electrophotography made therefrom, in which electrostatic charge giving ability to toner is high, anti-spent property is superior, charging property is stable even if a large number sheets are continuously printed, initial electrostatic charge increasing ability and electrostatic charge maintaining ability after leaving are also superior, and fogging at supplying toner and fogging after leaving are not generated. In a resin coated carrier for electrophotography comprising a coating material and a core material, in which the coating material covers the surface of the core material, the coating material contains a resin component and a conductive agent, the core material is ferrite, and electric resistance of the carrier at an applied voltage of 100 V set to be 1.0×103 to 1.0×106 Ω·cm, or breakdown voltage is set to be 120 to 280 V.
    • 用于电子照相的树脂涂布载体和由其制成的用于电子照相的双组分显影剂,其中赋予调色剂的静电电荷高,防消耗性优异,即使连续印刷大量的片材,充电性也稳定,初始 离子后的静电电荷增加能力和静电电荷保持能力也是优异的,并且不产生在供给调色剂时的起雾和离开后起雾。 在用于电子照相的树脂涂布载体中,包括涂覆材料和芯材料,其中涂覆材料覆盖芯材表面,涂层材料包含树脂组分和导电剂,芯材为铁氧体,电阻 在100V的施加电压下设置为1.0×103〜1.0×106&OHgr·cm,或将击穿电压设定为120〜280V。