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One-Step Synthesis of Thermosensitive Nanogels Based on Highly Cross-Linked Poly(ionic liquid)s
来源:熊玉兵副教授个人网站 发布日期:2012-08-06
作者:Yubing Xiong,* Jingjiang Liu, Yujiao Wang, Hong Wang, and Rongmin Wang
关键字:carbon dioxide fixation, copolymerization, hydrogen bonds, ionic liquids · nanogel
论文来源:期刊
具体来源:Angew. Chem. Int. Ed.
发表时间:2012年

ImIL-based CLPNs were facilely prepared by one-step cross-linking copolymerization of geminal dicationic monomers and cross-linkers in selective solvents. Stable CLPN solutions were obtained and the particle sizes could be
fine-tuned by changing the 1·X/cross-linker feed ratio. Therefore, the one-step synthesis herein presented is an efficient method for the preparation of IL-based CLPNs. Moreover, ImIL-based CLPNs are thermosensitive and display reversible, temperature-driven nanogel–macrogel transitions in methanol. ImIL-based CLPNs were also found to be effective catalysts for CO2 cycloaddition reactions with epoxides, and could be readily separated by filtration, because of their thermosensitive properties. Such attributes make them a robust material platform suitable for a wide range of applications

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