| 发明名称 | High styrene high vinyl styrene-butadiene rubber with narrow molecular weight distribution and methods for preparation thereof | ||
| 摘要 | A polymer having at least the following characteristics: (a) a block styrene content with more than 6 consecutive styrene units from about 15 to about 35 weight percent based on total styrene content in the polymer; (b) a vinyl content from about 25 to about 80 weight percent based on total amount of polymerized 1,3-diene; and (c) a styrene content from about 35 to about 75 weight percent based on total weight of polymer; and (d) a molecular weight distribution (Mw/Mn) of 1.5 or less. | ||
| 申请公布号 | US8927645(B2) | 申请公布日期 | 2015.01.06 |
| 申请号 | US201214125340 | 申请日期 | 2012.06.22 |
| 申请人 | Styron Europe GmbH | 发明人 | Hamann Evemarie;Valenti Silvia;Holtz Gabriele |
| 分类号 | C08L9/06;C08F236/10;C08F4/46;C08F212/08;C08F2/06 | 主分类号 | C08L9/06 |
| 代理机构 | Brinks Gilson & Lione | 代理人 | Brinks Gilson & Lione |
| 主权项 | 1. A polymer having at least the following characteristics: (a) a block styrene content with more than 6 consecutive styrene units from about 15 to about 35 weight percent based on total styrene content in the polymer; (b) a vinyl content from about 25 to about 80 weight percent based on total amount of polymerized 1,3-diene; (c) a styrene content from about 35 to about 75 weight percent based on total weight of polymer; and (d) a molecular weight distribution (Mw/Mn) of 1.5 or less. | ||
| 地址 | Horgen CH | ||