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Membranes 2014, 4(2), 287-301; doi:10.3390/membranes4020287
Article

Synthesis and Characterisation of ETS-10/Acetate-based Ionic Liquid/Chitosan Mixed Matrix Membranes for CO2/N2 Permeation

1,* , 2
 and 1
Received: 2 April 2014; in revised form: 19 May 2014 / Accepted: 12 June 2014 / Published: 19 June 2014
(This article belongs to the Special Issue Nanocomposite Membranes)
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Abstract: Mixed matrix membranes (MMMs) were prepared by incorporating organic surfactant-free hydrothermally synthesised ETS-10 and 1-ethyl-3-methylimidazolium acetate ionic liquid (IL) to chitosan (CS) polymer matrix. The membrane material characteristics and permselectivity performance of the two-component membranes were compared with the three-component membrane and the pure CS membrane. The addition of IL increased CO2 solubility of the polymer, and, thus, the CO2 affinity was maintained for the MMMs, which can be correlated with the crystallinity, measured by FT-IR, and void fraction calculations from differences between theoretical and experimental densities. The mechanical resistance was enhanced by the ETS-10 nanoparticles, and flexibility decreased in the two-component ETS-10/CS MMMs, but the flexibility imparted by the IL remained in three-component ETS-10/IL/CS MMMs. The results of this work provide insight into another way of facing the adhesion challenge in MMMs and obtain CO2 selective MMMs from renewable or green chemistry materials.
Keywords: mixed matrix membranes; chitosan; microporous titanosilicate ETS-10; 1-ethyl-3-methyl-imidazolium acetate ionic liquid; membrane characterisation mixed matrix membranes; chitosan; microporous titanosilicate ETS-10; 1-ethyl-3-methyl-imidazolium acetate ionic liquid; membrane characterisation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Casado-Coterillo, C.; del Mar López-Guerrero, M.; Irabien, Á. Synthesis and Characterisation of ETS-10/Acetate-based Ionic Liquid/Chitosan Mixed Matrix Membranes for CO2/N2 Permeation. Membranes 2014, 4, 287-301.

AMA Style

Casado-Coterillo C, del Mar López-Guerrero M, Irabien Á. Synthesis and Characterisation of ETS-10/Acetate-based Ionic Liquid/Chitosan Mixed Matrix Membranes for CO2/N2 Permeation. Membranes. 2014; 4(2):287-301.

Chicago/Turabian Style

Casado-Coterillo, Clara; del Mar López-Guerrero, María; Irabien, Ángel. 2014. "Synthesis and Characterisation of ETS-10/Acetate-based Ionic Liquid/Chitosan Mixed Matrix Membranes for CO2/N2 Permeation." Membranes 4, no. 2: 287-301.


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