发明申请
- 专利标题: MAGNETIC TONER
- 专利标题(中): 磁性墨粉
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申请号: US14691514申请日: 2015-04-20
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公开(公告)号: US20150309432A1公开(公告)日: 2015-10-29
- 发明人: Daisuke Tsujimoto , Yoshihiro Ogawa , Toru Takahashi , Wakashi Iida
- 申请人: CANON KABUSHIKI KAISHA
- 优先权: JP2014-090456 20140424; JP2015-083617 20150415
- 主分类号: G03G9/08
- IPC分类号: G03G9/08 ; G03G9/083 ; G03G9/087
摘要:
Provided is a magnetic toner, including a toner particle containing a binder resin and a magnetic iron oxide particle, in which: the binder resin includes a resin having a polyester unit in which at least one kind of aliphatic compound selected from the group consisting of an aliphatic monocarboxylic acid having 30 to 102 carbon atoms and an aliphatic monoalcohol having 30 to 102 carbon atoms is condensed at an end of the polyester unit; a content of the magnetic iron oxide particle is from 30 to 80 parts by mass with respect to 100 parts by mass of the binder resin; and the magnetic iron oxide particle satisfies the following conditions: (i) a number-based median diameter D50 is from 0.05 to 0.15 μm; (ii) a number-based ratio D10/D50 is from 0.40 to 1.00; and (iii) a number-based ratio D90/D50 is from 1.00 to 1.50.
公开/授权文献
- US09454094B2 Magnetic toner 公开/授权日:2016-09-27
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