| 申请日期 | 2025-07-03 | 申请号 | EP03079059 |
| 公开（公告）号 | EP1431318B1 | 公开（公告）日 | 2008-08-13 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | Polimeri Europa S p A | ||
| 简介 | A process is described for the preparation of polydienes with a low vinyl content and having a branched structure effected by means of the polymerization of conjugated dienes in the presence of catalysts based on rare-earth compounds. The resulting polymers are characterized in that they have a cis content varying from 80 to 96% and prove to be branched with consequent low viscosity values in solution. | ||
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