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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/72774

    Título
    Poly(ether–amide) vs. poly(ether–imide) copolymers for post-combustion membrane separation processes
    Autor
    Tena Matias, AlbertoAutoridad UVA Orcid
    Shishatskiy, Sergey
    Filiz, Volkan
    Año del Documento
    2015
    Editorial
    Royal Society of Chemistry
    Descripción
    Producción Científica
    Documento Fuente
    RSC Adv.,2015,5, 22310–22318
    Resumen
    This work is focused on the comparison between the commercial polyamide PEBAX® MH 1657 and a new set of synthetized polyimides with different polyethylene glycol lengths. The samples were synthesized with the same poly(ethylene oxide) (PEO) content (57 wt%) for comparison with the commercial polymer. All polymers have been characterized by several techniques revealing a direct relationship between crystallinity, PEO length and permeability properties. Results at temperatures lower than the Tm of the polyether blocks confirm that lower PEO crystallinity corresponds to higher permeability. At temperatures higher than the Tm of the PEO block, no significant differences were found between the commercial polyamides and the synthesized polyimides. This confirms that the aliphatic phase controls the separation while the hard block provides mechanical strength. Remarkable are the results for the CO2/N2 separation. These new copolyimides are promising materials for post-combustion processes.
    Revisión por pares
    SI
    DOI
    10.1039/C5RA01328C
    Patrocinador
    Helmholtz Association of German Research Centers through the Helmholtz Portfolio MEM-BRAIN
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/72774
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP31 - Artículos de revista [168]
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    Attribution-NonCommercial-NoDerivs 3.0 UnportedLa licencia del ítem se describe como Attribution-NonCommercial-NoDerivs 3.0 Unported

    Universidad de Valladolid

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