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Zeolite-based composite PEEK-WC membranes: gas transport and surface properties (Articolo in rivista)
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- Zeolite-based composite PEEK-WC membranes: gas transport and surface properties (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.micromeso.2008.01.048 (literal)
- Alternative label
G. Clarizia; C. Algieri; A. Regina; E. Drioli (2008)
Zeolite-based composite PEEK-WC membranes: gas transport and surface properties
in Microporous and mesoporous materials (Print); ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- G. Clarizia; C. Algieri; A. Regina; E. Drioli (literal)
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- http://dx.doi.org/10.1016/j.micromeso.2008.01.048 (literal)
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- ISI Web of Science (WOS) (literal)
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- G. Clarizia: Institute on Membrane Technology, ITM-CNR, Via P. Bucci, I-87030 Rende, Italy
C. Algieri: Institute on Membrane Technology, ITM-CNR, Via P. Bucci, I-87030 Rende, Italy
E. Drioli: Institute on Membrane Technology, ITM-CNR, Via P. Bucci, I-87030 Rende, Italy--Department of Chemical and Materials Engineering, University of Calabria, Via P. Bucci, I-87030 Rende, Italy (literal)
- Titolo
- Zeolite-based composite PEEK-WC membranes: gas transport and surface properties (literal)
- Abstract
- Mixed matrix membranes (MMMs) have been prepared by using different protocols in order to improve the affinity between NaA
(LTA) zeolite and a modified polyetheretherketone (PEEK-WC). A terpenic resin has been added to the polymer-zeolite slurry for
enhancing the polymer chain flexibility and, consequently, its adhesion with the crystals. Coupling agents such as c-aminopropyl-diethoxymethyl
silane (APDEMS) and diethanolamine (DEA) have been used to modify the zeolite surface. The instrumental analyses
showed a relative efficiency of these treatments with respect to the simple dispersion of the inorganic fillers within the polymer matrix.
At high zeolite concentration (30 wt%), MMMs are characterised by gas transport properties lower than neat polymer-based membrane.
DEA-based treatment seems the more encouraging approach also taking into account that as the filler concentration decreases, the
occurrence of defects at the interface becomes less significant. (literal)
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