| 发明名称 |
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS |
| 摘要 |
A toner includes a base particle comprising a crystalline polyester resin; and an external additive which is a group of silica particles having a number-average particle diameter of from 0.01 μm to 0.11 μm on the surface of the toner. A number ratio of the silica particles having a circularity not less than 0.8 is 20% or more in the total number of the silica particles. |
| 申请公布号 |
US2016266507(A1) |
申请公布日期 |
2016.09.15 |
| 申请号 |
US201615052160 |
申请日期 |
2016.02.24 |
| 申请人 |
WATANABE Junichi;Yoneda Kenji;Satoh Kohsuke;Nagatomo Tsuneyasu;Makabe Keiji;Hisakuni Daichi |
发明人 |
WATANABE Junichi;Yoneda Kenji;Satoh Kohsuke;Nagatomo Tsuneyasu;Makabe Keiji;Hisakuni Daichi |
| 分类号 |
G03G9/00 |
主分类号 |
G03G9/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A toner, comprising:
a base particle comprising a crystalline polyester resin; and an external additive which is a group of silica particles having a number-average particle diameter of from 0.01 μm to 0.11 μm on the surface of the toner, wherein a number ratio of the silica particles having a circularity not less than 0.8 is 20% or more in the total number of the silica particles. |
| 地址 |
Shizuoka JP |
