| 发明名称 | Water-based ink for ink-jet recording, ink cartridge and method for producing water-based ink for ink-jet recording | ||
| 摘要 | A water-based ink for ink-jet recording includes: a water-soluble colorant; water; a water-insoluble liquid; a nonionic surfactant; and an ionic surfactant having a polarity same as that of the water-soluble colorant. The water-insoluble liquid is dispersed stably in the water by the nonionic surfactant and the ionic surfactant having the polarity same as that of the water-soluble colorant. | ||
| 申请公布号 | US9580617(B2) | 申请公布日期 | 2017.02.28 |
| 申请号 | US201615089907 | 申请日期 | 2016.04.04 |
| 申请人 | Brother Kogyo Kabushiki Kaisha | 发明人 | Tanaka Hiroyuki;Aoyama Michiko |
| 分类号 | G01D11/00;C09D11/00;B41J2/17;C09D11/38;C09D11/023 | 主分类号 | G01D11/00 |
| 代理机构 | Banner & Witcoff, Ltd. | 代理人 | Banner & Witcoff, Ltd. |
| 主权项 | 1. A water-based ink for ink-jet recording comprising: a water-soluble colorant; water in an amount not less than 40% by weight based on a total weight of the water-based ink; a water-insoluble liquid, wherein a weight ratio of water:water-insoluble liquid ranges from 30:1 to 2:1; a nonionic surfactant; and an ionic surfactant having a polarity same as that of the water-soluble colorant; wherein the water-insoluble liquid is dispersed in the water by the nonionic surfactant and the ionic surfactant having the polarity same as that of the water-soluble colorant. | ||
| 地址 | Nagoya-shi, Aichi-ken JP | ||