发明申请
- 专利标题: TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
- 专利标题(中): 调色剂,开发商和图像形成装置
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申请号: US13728060申请日: 2012-12-27
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公开(公告)号: US20130171550A1公开(公告)日: 2013-07-04
- 发明人: Suzuka Amemori , Masahide Yamada , Yoshihiro Moriya , Taichi Nemoto , Yukiko Nakajima , Yoshitaka Yamauchi , Daiki Yamashita , Keiji Makabe , Akiyoshi Sabu
- 申请人: Suzuka Amemori , Masahide Yamada , Yoshihiro Moriya , Taichi Nemoto , Yukiko Nakajima , Yoshitaka Yamauchi , Daiki Yamashita , Keiji Makabe , Akiyoshi Sabu
- 优先权: JP2011-288511 20111228
- 主分类号: G03G9/00
- IPC分类号: G03G9/00 ; G03G15/08
摘要:
To provide a toner including at least a binder resin and a colorant, wherein the binder resin has two glass transition temperatures Tg1 and Tg2 in a differential scanning calorimetry at a heating speed of 5° C./min, the glass transition temperature Tg1 is −20° C. to 20° C., and the glass transition temperature Tg2 is 35° C. to 65° C., wherein the binder resin comprises a polyester skeleton and a ring-containing skeleton molecule at ends thereof, and wherein the binder resin is obtained by block copolymerization of: a polyester skeleton A which includes a structural unit obtained by dehydration condensation of a hydroxycarboxylic acid in a repeating structure; and a skeleton B which does not include a structural unit obtained by dehydration condensation of a hydroxycarboxylic acid in a repeating structure.
公开/授权文献
- US08735040B2 Toner, developer, and image forming apparatus 公开/授权日:2014-05-27
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