| 申请日期 | 2025-07-20 | 申请号 | WOGB18053539 |
| 公开（公告）号 | WO2019116006A1 | 公开（公告）日 | 2019-06-20 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | SCG CHEMICALS CO LTD | ||
| 简介 | A catalytic process for the polymerisation of cyclic ester and cyclic amides is described, which uses, as catalysts, Rare-earth complexes comprising permethylpentalene or (hydro)permethylpentalene ligands. The complexes are notably more active in lactide polymerisation that zirconium-containing analogues. | ||
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