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    • 8. 发明授权
    • Carrier for electrophotography developers, developer prepared by using the carrier and method for forming image
    • 用于电子照相显影剂的载体,通过使用载体制备的显影剂和形成图像的方法
    • US07288355B2
    • 2007-10-30
    • US10861083
    • 2004-06-04
    • Yoichi KamikoriyamaKenji SuzuokaTakashi NakashimaKazuya KinoshitaYuji SatoHiromichi KobayashiTakeshi GondoTakashi Hikichi
    • Yoichi KamikoriyamaKenji SuzuokaTakashi NakashimaKazuya KinoshitaYuji SatoHiromichi KobayashiTakeshi GondoTakashi Hikichi
    • G03G9/107
    • G03G9/107G03G9/1131G03G9/1132G03G9/1135G03G9/1136G03G9/1137G03G9/1139
    • Provided are a carrier for electrophotography developers prepared by generating a slight amount of byproducts such as water, alcohol, etc, which carrier is free from release of a magnetic powder, has excellent mechanical strength and durability, and good environmental stability, and further can restrain occurrence of toner spent condition and has favorable fluidity and excellent capability of imparting charging to a toner, a two-component developer comprising the carrier and a method for forming an image using the developer. The carrier for electrophotography developers comprises a magnetic powder dispersed binder resin, the binder resin material comprises (A) a polysiloxane compound having an epoxy group as a functional group and (B) a polysiloxane compound having a group capable of ring-opening addition reaction with the epoxy group of the polysiloxane compound (A), and the binder resin is a silicone resin prepared by curing with ring-opening addition reaction of the epoxy resin. The developer comprises the carrier for electrophotography developers and the toner particle. The method for forming an image comprises developing a static latent image by the developer with an alternating electric field.
    • 提供了通过产生少量副产物如水,醇等的电子照相显影剂的载体,其载体不释放磁粉,具有优异的机械强度和耐久性,以及良好的环境稳定性,并且还可以抑制 调色剂消耗状况的发生,并且具有良好的流动性和对调色剂充电的优异能力,包含载体的双组分显影剂和使用显影剂形成图像的方法。 用于电子照相显影剂的载体包括磁粉分散的粘合剂树脂,粘合剂树脂材料包含(A)具有环氧基作为官能团的聚硅氧烷化合物和(B)具有能够开环加成反应的基团的聚硅氧烷化合物 聚硅氧烷化合物(A)的环氧基和粘合剂树脂是通过环氧树脂的开环加成反应固化而制备的有机硅树脂。 显影剂包括用于电子照相显影剂的载体和调色剂颗粒。 形成图像的方法包括用交变电场显影显影剂的静电潜像。