| 发明名称 | Non-aqueous ink | ||
| 摘要 | [Problem to be solved] A non-aqueous ink, which has excellent pigment dispersion stability and can achieve reduction or elimination of print-through, thereby achieving high print density, is disclosed.;[Solution] The non-aqueous ink contains at least a pigment and an organic solvent, wherein the organic solvent contains a five-membered heterocyclic compound having a C═O bond in an amount of 50 mass % or more of the organic solvent, and the content of a polymer component in the ink is 20 mass % or less relative to the pigment. | ||
| 申请公布号 | US8915994(B2) | 申请公布日期 | 2014.12.23 |
| 申请号 | US201113881334 | 申请日期 | 2011.10.17 |
| 申请人 | Riso Kagaku Corporation | 发明人 | Endo Toshihiro;Hosoya Tetsuo |
| 分类号 | C09D11/02;C09D11/322;C09D11/36 | 主分类号 | C09D11/02 |
| 代理机构 | Studebaker & Brackett PC | 代理人 | Studebaker & Brackett PC |
| 主权项 | 1. A non-aqueous ink comprising at least a pigment and an organic solvent, and substantially containing no polymer component, wherein the organic solvent contains a five-membered heterocyclic compound having a C═O bond in an amount of 50 mass % or more of the organic solvent, and the heterocyclic compound is a carbonate compound. | ||
| 地址 | Tokyo JP | ||