| 发明名称 | Image forming method and image forming apparatus | ||
| 摘要 | To provide an image forming method, which contains: applying a treatment liquid onto a recording medium; and applying a recording ink onto the recording medium, wherein the treatment liquid contains a cationic resin having a cationic degree of 5 or higher, nonionic polyacryl amide, an alkali salt of a C12-C18 olefin-maleic acid copolymer, an organic solvent, a surfactant, and water, and wherein the recording ink contains a colorant, an organic solvent, a surfactant, and water. | ||
| 申请公布号 | US9211726(B2) | 申请公布日期 | 2015.12.15 |
| 申请号 | US201314060690 | 申请日期 | 2013.10.23 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Katsuragi Koji |
| 分类号 | B41J2/01;B41J11/00;B41J2/21;B41M5/00 | 主分类号 | B41J2/01 |
| 代理机构 | Oblon, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. An image forming method comprising: applying a treatment liquid onto a recording medium; and applying a recording ink onto the recording medium, wherein the treatment liquid comprises a cationic resin having a cationic degree of 5 or higher, nonionic polyacryl amide, an alkali salt of a C12-C18 olefin-maleic acid copolymer, an organic solvent, a surfactant, and water, the recording ink comprises a colorant, an organic solvent, a surfactant, and water, and the treatment liquid has a transfer density of from 0.03 to 0.09. | ||
| 地址 | Tokyo JP | ||