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[Polym. Chem.] Rare Earth Metal-Mediated Ring-opening Polymerisation of Cyclic Phosphoesters
来源:张宁教授个人网站 发布日期:2019-03-23
作者:Qiliao Wang, Shanshan Chen, Bicheng Deng, Ying Wang, Dewen Dong and Ning Zhang
关键字:Ring-opening Polymerisation, Rare Earth Metal, Phosphoesters
论文来源:期刊
具体来源:Polym. Chem.
发表时间:2019年
In this report, simple ytterbocene complex was used for the first time in the ring-opening polymerisation of cyclic phosphoesters. The polymerisation is applicable to both cyclic phosphonates and cyclic phosphates, giving corresponding biodegradable polyphosphoesters with medium to high molar mass and low molecular weight distribution. NMR and MALDI-Tof investigation indicates the polymerisation follows a living group-transfer polymerisation mechanism, allowing the preparation of both homopolymers and block copolymers.
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