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. 2013 Feb;2(1):17-20.
doi: 10.1002/open.201200045. Epub 2013 Jan 18.

Carbon dioxide adsorption in betulin-based micro- and macroporous polyurethanes

Jekaterina Jeromenok  1 , Winfried Böhlmann  2 , Christian Jäger  3 , Jens Weber  1
Affiliations

Carbon dioxide adsorption in betulin-based micro- and macroporous polyurethanes

Jekaterina Jeromenok et al. ChemistryOpen. 2013 Feb.
No abstract available

Keywords: carbon dioxide; gas adsorption; microporous polymers; renewable resources; solid state NMR spectroscopy.

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Figures

Scheme 1
Scheme 1
A) Chemical structures of betulin and triphenylmethane triisocyanate and the corresponding polyurethane network. B) SEM micrographs of the morphology of the resulting networks.
Figure 1
Figure 1
A) Solid-state 1H NMR spectrum, B) solid-state 1H-13C CPMAS NMR spectrum and D) solid-state 1H-15N CPMAS NMR spectrum of a botulin-based polyurethane network (Bet-PUR-1).
Figure 2
Figure 2
A) CO2 (273 and 283 K) and N2 (273 K) adsorption isotherms on Bet-PUR-1. B) IAST prediction of the CO2/N2 selectivity (273 K) for a 0.2:0:8 and a 0.15:0.85 gas composition. C) Isosteric heat of adsorption qst, calculated directly by the AS1Win software and calculated based on the fitted isotherms. D) 13C NMR spectra of 13C-CO2 confined within Bet-PUR-1.
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