Abstract
The invention relates to a process for the preparation of polycarbonates from oxiranes and CO2 characterized in that the polymerization is carried out in a single step in the presence of a chain transfer agent. Preferred chain transfer agents are polyols. The invention also relates to branched polycarbonates that have functional hydroxyl endgroups.
| Original language | English |
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| Patent number | EP2112187 |
| Publication status | Published - 28 Oct 2009 |