发明授权
US09594322B2 Toner for image formation, and developer and image forming apparatus using the toner
有权
用于图像形成的调色剂,以及使用调色剂的显影剂和图像形成装置
- 专利标题: Toner for image formation, and developer and image forming apparatus using the toner
- 专利标题(中): 用于图像形成的调色剂,以及使用调色剂的显影剂和图像形成装置
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申请号: US14471024申请日: 2014-08-28
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公开(公告)号: US09594322B2公开(公告)日: 2017-03-14
- 发明人: Suzuka Amemori , Tsuyoshi Sugimoto , Akinori Saito , Toyoshi Sawada , Keiji Makabe
- 申请人: Suzuka Amemori , Tsuyoshi Sugimoto , Akinori Saito , Toyoshi Sawada , Keiji Makabe
- 申请人地址: JP Tokyo
- 专利权人: Ricoh Company, Ltd.
- 当前专利权人: Ricoh Company, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2013-188068 20130911
- 主分类号: G03G9/087
- IPC分类号: G03G9/087 ; G03G9/08
摘要:
A toner is provided. The toner includes a crosslinked polyester resin, and a block copolymer. The crosslinked polyester resin includes a diol component, which includes an aliphatic diol component having 3 to 10 carbon atoms in an amount of 50% by mole, and a crosslinked component, which is at least one of a crosslinked component of an aliphatic alcohol having three or more valences and a crosslinked component of an aliphatic acid having three or more valences, and the block copolymer includes a crystalline segment (a) and a non-crystalline segment (b). The toner has a first glass transition temperature (Tg1st) of from 20° C. to 50° C., which is determined by subjecting the toner to differential scanning calorimetry (DSC) and measuring a glass transition temperature in a first temperature rising process in the differential scanning calorimetry (DSC).
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