| 摘要 |
A process for hydrogenating unsaturations in polymers, the process comprising contacting at least one polymer having unsaturations with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of an alkaline earth metal silicate having a surface area of at least 30 m<2>/g at a temperature of from 50 to 250 DEG C and a pressure of from 5 to 150 bar. |
