发明申请
US20070218392A1 TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
有权
调色剂,开发者,调色剂容器,过程盒,图像形成装置和图像形成方法
- 专利标题: TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
- 专利标题(中): 调色剂,开发者,调色剂容器,过程盒,图像形成装置和图像形成方法
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申请号: US11687372申请日: 2007-03-16
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公开(公告)号: US20070218392A1公开(公告)日: 2007-09-20
- 发明人: Masahide Yamada , Shigeru Emoto , Naohiro Watanabe , Masahiro Ohki , Akinori Saitoh , Shinichi Wakamatsu
- 申请人: Masahide Yamada , Shigeru Emoto , Naohiro Watanabe , Masahiro Ohki , Akinori Saitoh , Shinichi Wakamatsu
- 优先权: JP2006-074786 20060317
- 主分类号: G03G9/087
- IPC分类号: G03G9/087
摘要:
A toner containing a colorant, and a binder resin, wherein the toner is prepared by dissolving or dispersing a colorant, a precursor of the binder resin having a site capable of reacting with an active hydrogen group-containing compound, the active hydrogen group-containing compound, in an organic solvent, to prepare a toner constituent mixture liquid, dispersing or emulsifying the toner constituent mixture liquid, in an aqueous medium while subjecting the precursor to a reaction with the active hydrogen group-containing compound, to prepare a toner dispersion, and removing the organic solvent from the toner dispersion; the binder resin contains a modified polyester having an isocyanate-derived binding site; the Sn content in the toner is 800 ppm or less; the content of a metal which is non Sn and derived from a polyesterified catalyst is 10 ppm to 200 ppm; and the content of a metal which is non Sn and derived from an isocyanated catalyst is 10 ppm to 200 ppm.