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Recent Advances in Amine Functionalized Aerogels for CO2 Adsorption(PDF)

MATERIALS CHINA[ISSN:1674-3962/CN:61-1473/TG]

Issue:
2021年第05期
Page:
352-358
Research Field:
Publishing date:

Info

Title:
Recent Advances in Amine Functionalized Aerogels for CO2 Adsorption
Author(s):
KONG Yong12 JIANG Xing12 SHEN Xiaodong12
(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
CLC:

PACS:
O647.3;TB34
DOI:
10.7502/j.issn.1674-3962.202001012
DocumentCode:

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.

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Last Update: 2021-04-30