Nanocomposite membranes of polyetherimide nanostructured with palladium particles: Processing route, morphology and functional properties

Polymer/metal nanocomposites films with different morphologies have been prepared from polyetherimide and palladium acetate with Pd amount ranging from 0 to 15 wt%. In a first step, hybrid precursor films have been obtained from polymer/metal complex solutions and the metal nanoparticles have been t...

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Bibliographic Details
Published in:Journal of membrane science 2010-09, Vol.361 (1), p.167-175
Main Authors: Clémenson, S., Espuche, E., David, L., Léonard, D.
Format: Article
Language:English
Subjects:
Active membranes
Gas permeation
Morphology
Palladium
Polymer/metal nanocomposites
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Summary:Polymer/metal nanocomposites films with different morphologies have been prepared from polyetherimide and palladium acetate with Pd amount ranging from 0 to 15 wt%. In a first step, hybrid precursor films have been obtained from polymer/metal complex solutions and the metal nanoparticles have been then generated within the PEI matrix by annealing the precursor film under different conditions. The membrane nanostructuration process and the final membrane morphology have been discussed as a function of the metal precursor amount and annealing conditions. The gas transport properties of the membranes have been analysed for CO 2, He and H 2. Specific interactions between hydrogen and the Pd based nanoparticles have been evidenced and the gas transport mechanisms have been discussed as a function of the gas nature, the nanoparticles structure and the nanoparticles location within the membrane.
ISSN:0376-7388
1873-3123
DOI:10.1016/j.memsci.2010.05.061