氨基功能化气凝胶二氧化碳吸附研究进展-中国材料进展

文章信息/Info

作者:: 孔勇1; 2; 江幸1; 2; 沈晓冬1; 2; （1. 南京工业大学材料科学与工程学院，江苏南京 210009） (2. 确成硅化学股份有限公司，江苏无锡 214196)

Author(s):: KONG Yong1; 2; JIANG Xing1; 2; SHEN Xiaodong1; 2; (1. College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China) (2. Quechen Silicon Chemical Co., Ltd., Wuxi 214196, China)

Keywords:: global warming; CO2 capture; aerogel; amine functionalization; adsorbents; nanomaterials

摘要:: 高性能CO2吸附剂不仅对控制全球变暖意义重大，而且在航空航天、国防军工、能源、化工等多个领域有广泛应用。多孔材料的氨基功能化是开发高性能CO2吸附剂的有效手段，其中气凝胶具有相互贯通的三维纳米多孔网络结构、大的比表面积和发达的孔隙，是一种理想的气体吸附材料。探讨了氨基功能化气凝胶材料的CO2吸附机理和吸附性能测试方法，总结了浸渍、表面接枝和原位聚合3种气凝胶氨基功能化的方法，介绍了相应的3类氨基功能化气凝胶的制备工艺与CO2吸附性能。总结了3类氨基功能化气凝胶制备方法及其相应CO2吸附剂的优缺点，展望了氨基功能化气凝胶CO2吸附剂的应用前景和未来发展方向。

Abstract:: The high-performance CO2 adsorbents are not only significant for the global warming control, but also have wide applications in many other aspects, such as aerospace, energy, environment, etc. Amine functionalization of the porous materials is an effective way to develop high-performance CO2 adsorbents, aerogel of which has interpenetrating nanoporous network, large specific surface area and well-developed porosity, and is an ideal candidate for gas adsorption. In this paper, the CO2 adsorption mechanisms and characterization methods of the amine functionalized aerogels are introduced. Three methods, including impregnation, grafting and insitu polymerization, to achieve the amine functionalization of the aerogels are summarized. The preparation technologies and CO2 adsorption performances of these three classes of amine functionalized aerogels are reviewed. Finally, the strengths and weaknesses of the preparation methods and the corresponding CO2 adsorbents of these three amine functionalized aerogels are discussed, and the application prospects and the future development directions of the amine functionalized aerogels are forecasted.