发明名称 |
ELECTROSTATIC IMAGE DEVELOPING TONER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE |
摘要 |
<p>An electrostatic image developing toner including: toner base particles each including a binder resin and a colorant; and an external additive, wherein the toner base particles each have protrusions on a surface thereof, an average of lengths of long sides of the protrusions is 0.1 µm or more but less than 0.5 µm, a standard deviation of the lengths of the long sides of the protrusions is 0.2 or less, a coverage rate of the protrusions on the surface of each toner base particle is 10% to 90%, and the external additive includes an external additive (A) which is fine inorganic particles each containing silicone oil.</p> |
申请公布号 |
CA2833505(C) |
申请公布日期 |
2015.11.24 |
申请号 |
CA20122833505 |
申请日期 |
2012.04.25 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
FUKAO, TOMOHIRO;KADOTA, TAKUYA;MIKURIYA, YOSHIHIRO;NOZAKI, TSUYOSHI;ISHIKAWA, YOSHIMICHI;FUWA, KAZUOKI;MIKI, TOMOHARU |
分类号 |
G03G9/08;G03G9/087 |
主分类号 |
G03G9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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