Synthesis of azo linked polymers by a diazotization-coupling reaction and its application for CO2 capture

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Azo bridged, heterocyclic, microporous polymers were synthesized by a metal catalyst-free direct one-step coupling reaction of a diazotized amine group with the five-membered ring. The two polymers were synthesized by incorporating pyrrole and imidazole groups. These polymers are amorphous in nature and exhibited surface areas between the range 100-300 m(2) g(-1). The CO2 adsorption capacity was investigated and it was 3.5 mmol g(-1) at 298 K at 1 bar. Meanwhile, the CO2/N-2 selectivity of the polymers was measured between 20 and 41 and the interactions of the polymers with gas molecules are discussed
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2016
Language
English
Article Type
Article
Keywords

MICROPOROUS ORGANIC POLYMERS; CARBON-DIOXIDE CAPTURE; TRIAZINE-BASED FRAMEWORKS; ADSORPTION PROPERTIES; ROOM-TEMPERATURE; HIGH-PERFORMANCE; FACILE SYNTHESIS; POROUS POLYMERS; GAS-ADSORPTION; ENERGY-STORAGE

Citation

RSC ADVANCES, v.6, no.96, pp.93463 - 93468

ISSN
2046-2069
DOI
10.1039/c6ra13267g
URI
http://hdl.handle.net/10203/214854
Appears in Collection
CBE-Journal Papers(저널논문)
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