Robust C-C bonded porous networks with chemically designed functionalities for improved CO2 capture from flue gas

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Effective carbon dioxide (CO2) capture requires solid, porous sorbents with chemically and thermally stable frameworks. Herein, we report two new carbon-carbon bonded porous networks that were synthesized through metal-free Knoevenagel nitrile-aldol condensation, namely the covalent organic polymer, COP-156 and 157. COP-156, due to high specific surface area (650 m(2)/g) and easily interchangeable nitrile groups, was modified post-synthetically into free amine-or amidoxime-containing networks. The modified COP-156-amine showed fast and increased CO2 uptake under simulated moist flue gas conditions compared to the starting network and usual industrial CO2 solvents, reaching up to 7.8 wt % uptake at 40 degrees C
Publisher
BEILSTEIN-INSTITUT
Issue Date
2016-10
Language
English
Article Type
Article
Keywords

NANOPOROUS ORGANIC FRAMEWORKS; CARBON-DIOXIDE CAPTURE; POLYMER NETWORKS; MICROPOROUS POLYMERS; SELECTIVITY; POROSITY

Citation

BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY, v.12, pp.2274 - 2279

ISSN
1860-5397
DOI
10.3762/bjoc.12.220
URI
http://hdl.handle.net/10203/214434
Appears in Collection
EEW-Journal Papers(저널논문)
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