发明申请
- 专利标题: TONER, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
- 专利标题(中): 调色剂,图像形成方法和图像形成装置
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申请号: US12759448申请日: 2010-04-13
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公开(公告)号: US20100261111A1公开(公告)日: 2010-10-14
- 发明人: Tomohiro ARUGA , Hideki OKADA , Yoichi YAMADA , Daisuke MATSUMOTO
- 申请人: Tomohiro ARUGA , Hideki OKADA , Yoichi YAMADA , Daisuke MATSUMOTO
- 申请人地址: JP Tokyo
- 专利权人: SEIKO EPSON CORPORATION
- 当前专利权人: SEIKO EPSON CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2009-097942 20090414
- 主分类号: G03G9/00
- IPC分类号: G03G9/00 ; G03G15/08
摘要:
A toner includes at least a binder resin, a colorant, and a release agent. The toner contains base toner particles having an average volume particle size of 2 μm to 6 μm, small particle silica having an average volume particle size of 7 nm to 15 nm, large particle silica having an average volume particle size of 50 nm to 400 nm, small particle transition alumina having an average volume particle size of 7 nm to 20 nm, and large particle α-type alumina having an average volume particle size of 50 nm to 400 nm or large particle cerium oxide having an average volume particle size of 50 nm to 400 nm.