发明名称 |
Toner for developing electrostatic image, developer including the toner, container containing the toner, and developing method using the toner |
摘要 |
<p>Toner particles, comprising: a binder resin; a colorant; a release agent; and a particulate resin which is present on at least a portion of a surface of said toner particles, wherein said particulate resin has a glass transition temperature of from 50 to 90°C; wherein the ratio (Dv/Dn) of a) the volume average particle diameter (Dv) of the toner particles to b) the number average particle diameter (Dn) thereof is from 1.00 to 1.40; and wherein the ratio of 1) an area of the surface of said toner particles which are covered by said particulate resin to 2) the total area of said surface is from 1 to 90 %. Also provided is a developer including the toner particles and a developing method using the toner particles.</p> |
申请公布号 |
EP1868039(A2) |
申请公布日期 |
2007.12.19 |
申请号 |
EP20070117754 |
申请日期 |
2002.10.31 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
YAGI, SHINICHIRO;TOMITA, MASAMI;NANYA, TOSHIKI;EMOTO, SHIGERU;YAMADA, HIROSHI;YAMASHITA, HIROSHI;WATANABE, NAOHIRO;SUGIYAMA, TSUNEMI;TAKIGAWA, TADAO |
分类号 |
G03G9/08;G03G9/087;G03G9/097 |
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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