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http://hdl.handle.net/10261/152018
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dc.contributor.author | Garrido, Leoncio | - |
dc.contributor.author | García Sánchez, Carolina | - |
dc.contributor.author | López-González, Mar | - |
dc.contributor.author | Comesaña-Gándara, Bibiana | - |
dc.contributor.author | Lozano López, Ángel Emilio | - |
dc.contributor.author | Guzmán, Julio | - |
dc.date.accessioned | 2017-06-26T10:33:24Z | - |
dc.date.available | 2017-06-26T10:33:24Z | - |
dc.date.issued | 2017 | - |
dc.identifier | doi: 10.1021/acs.macromol.7b00384 | - |
dc.identifier | issn: 0024-9297 | - |
dc.identifier | e-issn: 1520-5835 | - |
dc.identifier.citation | Macromolecules 50: 3590-3597 (2017) | - |
dc.identifier.uri | http://hdl.handle.net/10261/152018 | - |
dc.description.abstract | The solubility and diffusion coefficients of pure carbon dioxide and its mixtures with methane, ethylene, and propylene in poly(4,4′-hexafluoroisopropylidene diphthalic anhydride-2,3,5,6-tetramethyl-1,4-phenylenediamine) (6FDA-TMPDA) membranes were determined with proton and C NMR spectroscopy and pulsed-field gradient NMR, respectively. In addition, the solubility and permeability of the pure gases in the polyimide membranes were also measured by sorption and permeation methods. The results showed that NMR measurements on pure gases are very reproducible and in relatively good agreement with those determined by the other methods. Furthermore, the NMR method allows the independent measurement of the solubility and diffusion coefficients for each component in mixtures of two or three gases and subsequently the gas permeability. The main conclusion of this work is that NMR spectroscopy is a suitable tool to determine all transport coefficients of multicomponent gas mixtures in polymer membranes, provided that gas molecules contain NMR observable nuclei. | - |
dc.description.sponsorship | The financial support provided by the Ministerio de Economía y Competitividad (MINECO) through projects MAT2013- 45071-R and MAT2016-81001-P and the CSIC is gratefully acknowledged | - |
dc.publisher | American Chemical Society | - |
dc.rights | closedAccess | - |
dc.title | Determination of Gas Transport Coefficients of Mixed Gases in 6FDA-TMPDA Polyimide by NMR Spectroscopy | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1021/acs.macromol.7b00384 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1021/acs.macromol.7b00384 | - |
dc.date.updated | 2017-06-26T10:33:24Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
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