公开(公告)号：US20140242510A1

公开(公告)日：2014-08-28

申请号：US14346713

申请日：2012-07-25

申请人： Tadayuki Sawai ,  Yoritaka Tsubaki ,  Keiichi Kikawa ,  Keigo Mutamura ,  Yui Kawano ,  Shintaro Fukuoka

发明人： Tadayuki Sawai ,  Yoritaka Tsubaki ,  Keiichi Kikawa ,  Keigo Mutamura ,  Yui Kawano ,  Shintaro Fukuoka

IPC分类号： G03G9/113 ,  G03G13/08

CPC分类号： G03G9/1133 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0906 ,  G03G9/09708 ,  G03G13/08 ,  G03G15/0806 ,  G03G2215/0607

摘要： A two-component color developer containing a toner and a resin-coated carrier, the toner containing at least a polyester resin as a binding resin, an organic pigment as a colorant and inorganic fine particles as an external additive, wherein the inorganic fine particles have a negative polarity, the toner has a volume resistivity of 40×109 to 220×109 Ωcm and a negative polarity, and the carrier has a coat durability of 90% or greater.

摘要翻译： 含有调色剂和树脂涂布载体的双组分彩色显影剂，所述调色剂至少含有作为粘合树脂的聚酯树脂，作为着色剂的有机颜料和作为外部添加剂的无机细颗粒，其中无机细颗粒具有 负极性，调色剂的体积电阻率为40×109〜220×109＆OHgr·cm，负极性，载体的涂层耐久性为90％以上。