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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/67015

    Título
    Mixed matrix membranes using porous organic polymers (POPs)—Influence of textural properties on CO2/CH4 separation
    Autor
    Matesanz Niño, LauraAutoridad UVA Orcid
    Moranchel Pérez, Jorge
    Álvarez, Cristina
    Lozano, Ángel E.
    Casado Coterillo, Clara
    Año del Documento
    2023
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    Polymers, 2023, Vol. 15, Nº. 20, 4135
    Resumo
    Mixed matrix membranes (MMMs) provide the opportunity to test new porous materials in challenging applications. A series of low-cost porous organic polymer (POPs) networks, possessing tunable porosity and high CO2 uptake, has been obtained by aromatic electrophilic substitution reactions of biphenyl, 9,10-dihydro-9,10-dimethyl-9,10-ethanoanthracene (DMDHA), triptycene and 1,3,5-triphenylbenzene (135TPB) with dimethoxymethane (DMM). These materials have been characterized by FTIR, 13C NMR, WAXD, TGA, SEM, and CO2 uptake. Finally, different loadings of these POPs have been introduced into Matrimid, Pebax, and chitosan:polyvinyl alcohol blends as polymeric matrices to prepare MMMs. The CO2/CH4 separation performance of these MMMs has been evaluated by single and mixed gas permeation experiments at 4 bar and room temperature. The effect of the porosity of the porous fillers on the membrane separation behavior and the compatibility between them and the different polymer matrices on membrane design and fabrication has been studied by Maxwell model equations as a function of the gas permeability of the pure polymers, porosity, and loading of the fillers in the MMMs. Although the gas transport properties showed an increasing deviation from ideal Maxwell equation prediction with increasing porosity of the POP fillers and increasing hydrophilicity of the polymer matrices, the behavior of biopolymer-based CS:PVA MMMs approached that of Pebax-based MMMs, giving scope to not only new filler materials but also sustainable polymer choices to find a place in membrane technology.
    Materias (normalizadas)
    Polymers
    Polímeros y polimerización
    Gases - Separation
    Gas separation membranes
    Biopolymers
    Biopolímeros
    Mixed matrix membranes
    Organic chemistry
    Polymer Sciences
    Materias Unesco
    2210.19 Fenómenos de Membrana
    2306 Química Orgánica
    2206.10 Polímeros
    3312 Tecnología de Materiales
    ISSN
    2073-4360
    Revisión por pares
    SI
    DOI
    10.3390/polym15204135
    Patrocinador
    Generalitat Valenciana y Universidad de Cantabria - (grant PRO-81)
    Agencia Estatal de Investigación (AEI), Fondo Europeo de Desarrollo Regional (FEDER), Unión Europea (EU) - (Projects: PID2019-109403RBC22 y PID2019-109403RB-C21)
    Version del Editor
    https://www.mdpi.com/2073-4360/15/20/4135
    Propietario de los Derechos
    © 2023 The authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/67015
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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