Amino Disiloxanes for CO2 Capture

A series of aminodisiloxanes were synthesized with varying degrees of functionality and steric hindrance and screened as CO2-capture solvents. Compounds with unhindered primary amine groups were found to come closest to reaching their theoretical CO2 uptake values. In contrast, materials containing...

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Veröffentlicht in:	Energy & fuels 2011-04, Vol.25 (4), p.1906-1918
Hauptverfasser:	Perry, Robert J, O’Brien, Michael J
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon Dioxide Issues
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container_title	Energy & fuels
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creator	Perry, Robert J O’Brien, Michael J
description	A series of aminodisiloxanes were synthesized with varying degrees of functionality and steric hindrance and screened as CO2-capture solvents. Compounds with unhindered primary amine groups were found to come closest to reaching their theoretical CO2 uptake values. In contrast, materials containing either hindered primary amines or secondary amine functionality were less efficient. Addition of a cosolvent, triethylene glycol, was found in most cases to maintain solution liquidity and thereby minimize mass transfer limitations on exposure to CO2.
doi_str_mv	10.1021/ef101564h
format	Article
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subjects	Carbon Dioxide Issues
title	Amino Disiloxanes for CO2 Capture
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