Issue 23, 2017

Aminated poly(vinyl chloride) solid state adsorbents with hydrophobic function for post-combustion CO2 capture

Abstract

In this paper, we show a novel sustainable route for the production of sorption materials for carbon capture technologies by utilizing a general plastic waste. By supporting aminated poly(vinyl chloride) on mesoporous silicas, a family of polymer/silica composites was synthesized, characterized and tested gravimetrically for adsorption of CO2 from the 1 : 1 v/v CO2–N2 mixture. The composites show good adsorption capacity for CO2 peaking at 12 cm3 g−1 for ethylenediamine-treated PVC products on SBA-15 support. The adsorption efficiency (CO2 : N ratio) is comparable to those observed for other nanoporous materials, such as amine-grafted mesoporous silicas. Ethylenediamine was found to be the best aminating reagent for PVC as the composite prepared from EDA–PVC gave the highest CO2 adsorption efficiency. Moreover, contact angle measurements suggested a significant improvement in hydrophobicity of the selected composites when they were compared with the unfunctionalized silica supports. This very useful development could make the composites suitable for applications in elevated moisture content environments found in flue vapours of gas-fired power plants.

Graphical abstract: Aminated poly(vinyl chloride) solid state adsorbents with hydrophobic function for post-combustion CO2 capture

Supplementary files

Article information

Article type
Paper
Submitted
12 Jan 2017
Accepted
25 Apr 2017
First published
26 Apr 2017
This article is Open Access
Creative Commons BY license

J. Mater. Chem. A, 2017,5, 11864-11872

Aminated poly(vinyl chloride) solid state adsorbents with hydrophobic function for post-combustion CO2 capture

G. Sneddon, J. C. McGlynn, M. S. Neumann, H. M. Aydin, H. H. P. Yiu and A. Y. Ganin, J. Mater. Chem. A, 2017, 5, 11864 DOI: 10.1039/C7TA00389G

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