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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/72736

    Título
    Gas separation properties of systems with different amounts of long poly(ethylene oxide) segments for mixtures including carbon dioxide
    Autor
    Tena Matias, AlbertoAutoridad UVA Orcid
    Lozano, Angel E.
    Marcos-Fernandez, Angel
    Prádanos del Pico, Pedro LourdesAutoridad UVA Orcid
    de Abajo, Javier
    Hernández Giménez, AntonioAutoridad UVA Orcid
    Año del Documento
    2013
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    International Journal of Greenhouse Gas Control 12 (2013) 146–154
    Résumé
    A complete series of aliphatic aromatic copolyimides has been synthesized. In this case all the samples had the same structure, BKDA-PEO6000-ODA, but different percentage of PEO in the final polymer. These copolymers have been thermally treated and characterized by several techniques. A direct relationship between temperature of treatment and both phase segregation and permeability improvement has been demonstrated. Results show that the permeability is higher when higher the PEO content is, but otherwise the selectivity does not follow the same trend. Notable is the case of the CO2/N2 couple of gases that show selectivity-versus-permeability very near the upper bound of Robeson especially when permeation is done at 50 °C. The Maxwell model has been applied to carry out the prediction of permeability (for CO2, CH4, O2 and N2) and it has been found that depending on the percentage of amorphous PEO in the polymer, the model reproduces well the experimental tendency.
    Revisión por pares
    SI
    DOI
    10.1016/j.ijggc.2012.10.014
    Patrocinador
    Ministry of Science and Innovation in Spain for their economic support of this work (MAT2008-00619/MAT, MAT2010 20668/MAT, MAT2011-25513/MATandCIT-420000-2009-32)
    Consolider Ingenio 2010 (project CSD-0050-MULTICAT)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S1750583612002472
    Propietario de los Derechos
    elsevier
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/72736
    Tipo de versión
    info:eu-repo/semantics/submittedVersion
    Derechos
    openAccess
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    • DEP31 - Artículos de revista [167]
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