| 发明名称 | Toner, developer, and image forming apparatus | ||
| 摘要 | A toner, including: a polyester resin, wherein the polyester resin includes a diol component and a crosslink component as constituent components thereof, wherein the diol component contains an aliphatic diol having 3 to 10 carbon atoms in an amount of 50 mol % or more, wherein the crosslink component contains a trihydric or higher aliphatic alcohol, and wherein the toner has a glass transition temperature (Tg1st) of 20° C. to 50° C., where the glass transition temperature (Tg1st) is measured in first heating in differential scanning calorimetry (DSC) of the toner. | ||
| 申请公布号 | US9557672(B2) | 申请公布日期 | 2017.01.31 |
| 申请号 | US201414913606 | 申请日期 | 2014.08.13 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Chiba Susumu;Sugimoto Tsuyoshi;Nakayama Shinya;Nagata Kohsuke;Nagai Shinsuke;Asahina Daisuke |
| 分类号 | G03G9/087 | 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 polyester resin, wherein the polyester resin comprises a diol component and a crosslink component as constituent components thereof, wherein the diol component comprises an aliphatic diol having 3 to 10 carbon atoms in an amount of 50 mol % or more, wherein the crosslink component comprises a trihydric or higher aliphatic alcohol, and wherein the toner has a glass transition temperature (Tg1st) of 20° C. to 50° C., where the glass transition temperature (Tg1st) is measured in first heating in differential scanning calorimetry (DSC) of the toner. | ||
| 地址 | Tokyo JP | ||