期刊
MACROMOLECULES
卷 54, 期 12, 页码 5539-5548出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.macromol.1c00440
关键词
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资金
- Creative Research Initiative Grant
- Nano-Material Technology Program through NRF, Korea
This study successfully synthesized 35 doubly grafted polymers with high grafting efficiency and well-defined properties using a diversity-oriented polymerization concept at 30 degrees Celsius. Detailed H-1 NMR and SEC analyses showed narrow-to-moderate dispersities of the polymers.
Doubly grafted polymers bearing two different macromolecular side groups in each repeat unit of the polymer backbone have received considerable attention because of their unique molecular structures and properties. However, the preparation of these polymers is challenging because of the synthetic difficulty arising from their steric crowding and structural complexity. Here, based on the diversity-oriented polymerization concept, we report the synthesis of well-defined doubly grafted polymers at 30 degrees C using a one-shot Cu-catalyzed multicomponent grafting strategy using readily accessible precursor polymers possessing sulfonyl azides and alkyne and amine macromonomers. Based on this strategy, we prepared 35 doubly grafted polymers. Detailed H-1 NMR and SEC analyses revealed high grafting efficiency (79-99%) and narrow-to-moderate dispersities of the well-defined doubly grafted polymers.
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