| 摘要 |
T 1845 PREPARATION OF POLYMERS A process for the preparation of co-polymers which comprises co-polymerizing carbon monoxide with one or more ethylenically unsaturated compounds under polymerization conditions in the gasphase, in the presence of a catalyst system comprising a) a metal of Group VIII of the Periodic Table, b) a support, and c) a promoter, whereby the amount of promoter is less than 30 mol per gram atom of Group VIII metal. DF2/T1845FF |
