| 发明名称 | Toner, developer, and image forming apparatus | ||
| 摘要 | Provided is a toner, including: a crystalline resin; and a colorant, wherein the toner has a sea island structure in which a crystal region containing the crystalline resin is formed as a sea, and a non-crystalline region containing the colorant is formed as an island. | ||
| 申请公布号 | US9442403(B2) | 申请公布日期 | 2016.09.13 |
| 申请号 | US201314421071 | 申请日期 | 2013.08.30 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Miyaake Azumi;Suzuki Kazumi;Shiba Masana;Morita Tatsuya;Yamauchi Yoshitaka |
| 分类号 | G03G9/087;G03G9/08 | 主分类号 | G03G9/087 |
| 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. A toner, comprising: a crystalline resin; and a colorant, wherein the toner has a sea island structure in which a crystal region comprising the crystalline resin is formed as a sea, and a non-crystalline region comprising the colorant is formed as an island, wherein the island has a domain diameter of from 1.1 μm to 2.0 μm, and wherein the toner has a storage elastic modulus at 160° C. of from 1.0×103 Pa to 1.6×104 Pa. | ||
| 地址 | Tokyo JP | ||