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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/52798

    Título
    New materials for gas separation applications: Mixed matrix membranes made from linear polyimides and porous polymer networks having lactam groups
    Autor
    Aguilar Lugo, Carla
    Suárez García, Fabián
    Miguel García, Jesús ÁngelAutoridad UVA Orcid
    Lozano, Ángel E.
    Campa, José G. de la
    Álvarez, Cristina
    Año del Documento
    2019
    Editorial
    ACS Publications
    Descripción
    Producción Científica
    Documento Fuente
    Industrial & Engineering Chemistry Research, 2019, vol. 58, n. 22. p. 9585–9595
    Abstract
    A set of mixed matrix membranes (MMMs) has been prepared by incorporating a triptycene-isatin porous polymer network (PPN) to three aromatic polyimides (one commercial, Matrimid, and two synthesized by us: 6FDA–6FpDA and 6FDA–TMPD) covering a wide range of performances for gas separation. The triptycene-isatin PPN is a highly microporous network having a high CO2 uptake and high chemical and thermal stability. The good compatibility between the components (PPN content of 15 and 30% w/w) was supported by the increase in the glass transition temperature of MMMs relative to the pure polyimide membranes. The addition of the PPN particles improved the permeability of all the gases tested, by increasing diffusivity and, in some cases, gas solubility. The improvements were particularly noticeable in Matrimid-based MMMs, where gas permeability increased by 700%, whereas CO2/N2 and CO2/CH4 ideal selectivities decreased by a mere 4% and 12%, respectively.
    Palabras Clave
    Mixed matrix membranes
    Membranas de matriz mixta
    Polyimides
    Poliimidas
    ISSN
    0888-5885
    Revisión por pares
    SI
    DOI
    10.1021/acs.iecr.9b01402
    Patrocinador
    Ministerio de Economía, Industria y Competitividad (projects MAT2016−76413-C2-R2, MAT2016− 76413-C2-R1, MAT2015−69844-R and CTQ2016−80913- P)
    Junta de Castilla y León (projects VA248U13 and VA051P17)
    Version del Editor
    https://pubs.acs.org/doi/10.1021/acs.iecr.9b01402
    Propietario de los Derechos
    © 2019 American Chemical Society
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/52798
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP63 - Artículos de revista [324]
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