发明名称 |
Toner and image forming apparatus using the toner |
摘要 |
<p>A toner composition including toner particles including mother toner particles, which include a binder resin, a colorant and a release agent, and a charge controlling agent which is at least located on a surface of the mother toner particles while fixed thereon, wherein the toner particles have a spherical degree of from 0.960 to 1.000 and a specific surface area of from 0.70 to 2.5 m<2>/g. The toner composition optionally includes an external additive which is present on the surface of the toner particles.</p> |
申请公布号 |
EP1296194(A2) |
申请公布日期 |
2003.03.26 |
申请号 |
EP20020021234 |
申请日期 |
2002.09.18 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
EMOTO, SHIGERU;YAMASHITA, HIROSHI;WATANABE, NAOHIRO;SUGIYAMA, TSUNEMI;YAMADA, HIROSHI;TOMITA, MASAMI |
分类号 |
G03G9/087;G03G9/08;G03G9/097;(IPC1-7):G03G9/08 |
主分类号 |
G03G9/087 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|