Assembly of nanocomposite PEBAX membranes: A complementary study of affinity and clusterization phenomena (Articolo in rivista)

Type
Label
  • Assembly of nanocomposite PEBAX membranes: A complementary study of affinity and clusterization phenomena (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.memsci.2012.06.050 (literal)
Alternative label
  • De Lorenzo, L., Tocci, E., Gugliuzza, A., Drioli, E. (2012)
    Assembly of nanocomposite PEBAX membranes: A complementary study of affinity and clusterization phenomena
    in Journal of membrane science (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Lorenzo, L., Tocci, E., Gugliuzza, A., Drioli, E. (literal)
Pagina inizio
  • 75 (literal)
Pagina fine
  • 84 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0376738812005091 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 421-422 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
  • Google Scholar (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute on Membrane Technology, ITM-CNR, via P. Bucci, Cubo 17/C, c/o University of Calabria, 87030 Rende (CS), Italy Department of Chemical Engineering and Materials, University of Calabria, 87030 Rende (CS), Italy (literal)
Titolo
  • Assembly of nanocomposite PEBAX membranes: A complementary study of affinity and clusterization phenomena (literal)
Abstract
  • The behaviourofablock co-poly(ether/amide)80PTMO/PA12(PEBAX)membraneblendedwithan amphiphilicfiller, N-ethyl-o/p-toluenesulphonamide(KET),wasstudiedbothexperimentallyand theoreticallyinordertoidentifytheaffinity,themiscibilityandtheeffectivedistributionand arrangementofKETmoleculesandthemechanismcontrollingwaterinteractionsondifferentlength scales,frommacrotonano.Bothmethodshavealsobeenusedtoestablishtheroleofmolecular rearrangementandclusterizationphenomenaofmodifiersinpackedmembranes,andtorelatethisto the macroscopicaffinitybehaviour.ThecompatibilitybetweenKETandPEBAXandthepresenceof nanoclustersofKETinsidethematrixhavebeenstudiedatmolecularlevelthroughmodelling, calorimetryandinfraredspectroscopyanalyses.Agoodmiscibilityhasbeenobservedupto50wt% of modifiercontentbutwithdiscrepancieswhenKETisat70wt%,confirmingasaturationof hydrophilicsitesofthefiller,resultinginareducedaffinityofthemembranestopolarpenetrant.An integratedexperimental-theoreticalapproachhasprovidedamoredetailedinvestigationofthree- componentcomplexsystems,inwhichthemacroscopicpropertiesandmorphologiesaredetermined by interactionsinthenano-scalerange,thusresultinginareciprocalvalidationandusefulcorrelations betweenMDandexperimentalanalysis. (literal)
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