New PVDF microcapsules for application in catalysis (Articolo in rivista)

Type
Label
  • New PVDF microcapsules for application in catalysis (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Buonomenna, M.G.; Figoli, A.; Spezzano, I.; Davoli, M.; Drioli, E. (2008)
    New PVDF microcapsules for application in catalysis
    in Applied catalysis. B, Environmental (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Buonomenna, M.G.; Figoli, A.; Spezzano, I.; Davoli, M.; Drioli, E. (literal)
Pagina inizio
  • 185 (literal)
Pagina fine
  • 194 (literal)
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  • 80 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • M.G. Buonomenna, ITM-CNR c/o University of Calabria, via P. Bucci 87030 Rende (CS), Italy A. Figoli, ITM-CNR c/o University of Calabria, via P. Bucci 87030 Rende (CS), Italy I. Spezzano, ITM-CNR c/o University of Calabria, via P. Bucci 87030 Rende (CS), Italy E. Drioli, ITM-CNR c/o University of Calabria, via P. Bucci 87030 Rende (CS), Italy M. Davoli, Department of Earth Science, University of Calabria, Via P. Bucci, Cubo 14/b, 87030 Rende (CS), Italy (literal)
Titolo
  • New PVDF microcapsules for application in catalysis (literal)
Abstract
  • Novel polyvinylidene fluoride (PVDF) porous microcapsule membranes were successfully prepared with non-solvent induced phase inversion method for the immobilization of catalyst ammonium molybdate tetrahydrate ((NH4)6Mo7O24?4H2O). The chemical-physical analysis of the new PVDF catalytic microcapsules was carried out by means of SEM, EDX, IR, DSC and XRD techniques. Catalytic activity of the PVDF catalytic microcapsules has been evaluated in the oxidation of benzyl alcohol to benzaldehyde in solvent free conditions. The polymeric microcapsules ''keep in contact'' the two phases: the organic phase, containing the substrate and the product, and the aqueous phase with the oxidant, H2O2. In literature, ((NH4)6Mo7O24?4H2O) was reported to be effective in the oxidation of alcohols with H2O2 in combination with a phase transfer catalyst in chlorinated solvents. The effect of reaction temperature, substrate:oxidant ratio, swelling of polymeric microcapsules on the reaction progress was investigated. PVDF catalytic microcapsules have given proof of their complete stability under oxidation conditions and their good recycle. (literal)
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