| 王晓晨,刘安求,董强,徐泽忠,吴云,温雨廷,井梦梦.介孔聚离子液体的可控合成及在常压CO2环加成反应中应用[J].分子催化,2019,33(2):181-189 |
| 介孔聚离子液体的可控合成及在常压CO2环加成反应中应用 |
| Synthesis of Mesoporous Poly(ionic liquid)s Towards Atmospheric Fixation of Carbon Dioxide into Carbonates |
| 投稿时间：2019-01-28 修订日期：2019-02-19 |
| DOI： |
| 中文关键词: 聚离子液体 介孔材料 多相催化 CO2环加成 |
| 英文关键词:poly(ionic liquid)s mesoporous materials heterogeneous catalysis cycloaddition of CO2 |
| 基金项目:国家自然科学基金（No.21606066）；安徽省自然科学基金（No.1708085QB46）；合肥学院人才科研基金项目（16-17RC13） |
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| 中文摘要: |
| 采用刚性的离子液体聚合单体双-（3-乙烯基-1-咪唑）亚甲基双溴盐（[C1DVIM]Br），以聚乙二醇（PEG）为溶剂，能够简单快捷制备出高比表面积的介孔聚离子液体.通过调节PEG的分子量大小，即可有效控制所得聚离子液体的孔结构.介孔聚离子液体由于具有典型的聚阳离子骨架、较高的比表面积以及丰富的卤素位，作为非金属多相催化剂在常压下氧化苯乙烯为底物的CO2环加成反应中表现出优异的催化活性和良好的回收稳定性，循环使用5次后催化性能基本保持不变.此外，该催化材料还表现出良好的底物兼容性，可以有效转化很难反应的脂肪类环氧化合物. |
| 英文摘要: |
| Mesoporous poly(ionic liquid)s (MPILs) with tunable pore structure were synthesized using polyethylene glycol (PEG) as solvent through the free radical self-polymerization of the rigid divinylimidazole IL monomer[C1DVIM]Br. By varying the type of PEG, the obtained MPILs presented various pore structures. Owing to the distinctive features of polycations matrix, large surface area, and abundant halogen anion, the obtained nanoporous polymers behaved as efficient metal-free heterogeneous catalyst for solvent-free cycloaddition of CO2 to styrene oxide under atmospheric pressure, and exhibited no significant loss of activity after recycling for five times. In addition, the catalyst even converted the extremely inert aliphatic long carbon-chain alkyl epoxides in such mild reaction condition. |
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