| 发明名称 |
HYDROGENATED STYRENE-BUTADIENE COPOLYMERS AND PROCESS FOR THEIR PREPARATION |
| 摘要 |
<p>A hydrogenated styrene-butadiene star copolymer including about 3 to 25% styrene and about 97 to 75% butadiene and a hydrogenation degree of at least 95%. The star polymer comprises a plurality of arms having random or block structure and an average molecular weight Mw higher than 30.000.</p> |
| 申请公布号 |
EP2632963(B1) |
申请公布日期 |
2015.08.05 |
| 申请号 |
EP20110772995 |
申请日期 |
2011.10.24 |
| 申请人 |
VERSALIS S.P.A. |
发明人 |
CAVALLO, CLAUDIO;ZINNA, MARIANNA;RIGHI, SANDRA |
| 分类号 |
C08F8/04;C08C19/02;C08C19/44;C08F212/08;C08F236/10;C08F297/04;C08L9/06;C08L15/00;C08L53/02;C10M143/00;C10M143/12 |
主分类号 |
C08F8/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
