Hypercrosslinked organic polymer networks as potential adsorbents for pre-combustion CO2 capture

Claudia F Martin, Ev Stockel, Rob Clowes, Dave J Adams, Andrew I Cooper, Jose J Pis, Fernando Rubiera, Cova Pevida

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Abstract

Hypercrosslinked polymers (HCPs) synthesized by copolymerisation of p-dichloroxylene (p-DCX) and 4,4′-bis(chloromethyl)-1,1′-biphenyl (BCMBP) constitute a family of low density porous materials with excellent textural development. Such polymers show microporosity and mesoporosity and exhibit Brunauer–Emmett–Teller (BET) surface areas of up to 1970 m2 g−1. The CO2 adsorption capacity of these polymers was evaluated using a thermogravimetric analyser (atmospheric pressure tests) and a high-pressure magnetic suspension balance (high pressure tests). CO2 capture capacities were related to the textural properties of the HCPs. The performance of these materials to adsorb CO2 at atmospheric pressure was characterized by maximum CO2 uptakes of 1.7 mmol g−1 (7.4 wt%) at 298 K. At higher pressures (30 bar), the polymers show CO2 uptakes of up to 13.4 mmol g−1 (59 wt%), superior to zeolite-based materials (zeolite 13X, zeolite NaX) and commercial activated carbons (BPL, Norit R). In addition, these polymers showed low isosteric heats of CO2 adsorption and good selectivity towards CO2. Hypercrosslinked polymers have potential to be applied as CO2 adsorbents in pre-combustion capture processes where high CO2 partial pressures are involved.
Original languageEnglish
Pages (from-to)5475-5483
Number of pages9
JournalJournal of Materials Chemistry
Volume21
Issue number14
Early online date25 Feb 2011
DOIs
Publication statusPublished - 14 Apr 2011

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Organic polymers
Adsorbents
Polymers
Zeolites
Atmospheric pressure
Adsorption
Microporosity
Charcoal
Partial pressure
Activated carbon
Copolymerization
Porous materials
Suspensions

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Hypercrosslinked organic polymer networks as potential adsorbents for pre-combustion CO2 capture. / Martin, Claudia F; Stockel, Ev; Clowes, Rob; Adams, Dave J; Cooper, Andrew I; Pis, Jose J; Rubiera, Fernando; Pevida, Cova.

In: Journal of Materials Chemistry, Vol. 21, No. 14, 14.04.2011, p. 5475-5483.

Research output: Contribution to journalArticle

Martin, CF, Stockel, E, Clowes, R, Adams, DJ, Cooper, AI, Pis, JJ, Rubiera, F & Pevida, C 2011, 'Hypercrosslinked organic polymer networks as potential adsorbents for pre-combustion CO2 capture', Journal of Materials Chemistry, vol. 21, no. 14, pp. 5475-5483. https://doi.org/10.1039/C0JM03534C
Martin, Claudia F ; Stockel, Ev ; Clowes, Rob ; Adams, Dave J ; Cooper, Andrew I ; Pis, Jose J ; Rubiera, Fernando ; Pevida, Cova. / Hypercrosslinked organic polymer networks as potential adsorbents for pre-combustion CO2 capture. In: Journal of Materials Chemistry. 2011 ; Vol. 21, No. 14. pp. 5475-5483.
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