发明授权
US07878643B2 Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
有权
水性墨水,喷墨记录方法,墨盒,记录单元和喷墨记录装置
- 专利标题: Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
- 专利标题(中): 水性墨水,喷墨记录方法,墨盒,记录单元和喷墨记录装置
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申请号: US12160282申请日: 2008-05-07
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公开(公告)号: US07878643B2公开(公告)日: 2011-02-01
- 发明人: Satoshi Kudo , Kenji Moribe
- 申请人: Satoshi Kudo , Kenji Moribe
- 申请人地址: JP Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JP Tokyo
- 代理机构: Fitzpatrick, Cella, Harper & Scinto
- 优先权: JP2007-126632 20070511; JP2008-112759 20080423
- 国际申请: PCT/JP2008/058797 WO 20080507
- 国际公布: WO2008/140089 WO 20081120
- 主分类号: G01D11/00
- IPC分类号: G01D11/00 ; B41J2/01 ; B41J2/05
摘要:
An aqueous ink contains at least an aqueous medium, a surfactant, and a dye. The aqueous medium includes only water and at least one water-soluble organic compound(s) and the static surface tension of the aqueous medium is from 45 mN/m or more to 57 mN/m or less. The dynamic surface tension of the aqueous ink satisfies the following conditions: (1) The dynamic surface tension of the aqueous ink at a lifetime of 50 milliseconds is from 42 mN/m or more to less than 49 mN/m; (2) The dynamic surface tension of the aqueous ink at a lifetime of 500 milliseconds is from 28 mN/m or more to 38 mN/m or less; and (3) A difference between the dynamic surface tension of the aqueous ink at a lifetime of 50 milliseconds and the dynamic surface tension of the aqueous ink at a lifetime of 500 milliseconds is 7 mN/m or more.
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