2024-03-28T19:12:54Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/53442022-08-11T22:42:07Zcom_10259_4313com_10259_5086com_10259_2604col_10259_4314
Trigo López, Miriam
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500
0000-0001-5948-1230
Vallejos Calzada, Saúl
567
500
Reglero Ruiz, José A.
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500
García Gómez, Alejandra
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Seara Martínez, María
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García García, Félix Clemente
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García Pérez, José Miguel
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2020-06-16T13:27:15Z
2020-06-16T13:27:15Z
2020-08
0032-3861
http://hdl.handle.net/10259/5344
10.1016/j.polymer.2020.122629
We prepare low density nanoporous aramid films reinforced with carbon-based nanocharges (graphene, carbon nanofibers and carbon nanotubes), using ionic liquids to generate and control the porous structure, reaching a density reduction of about 4 times and pore sizes down to 240 nm. Because of the low dispersion ability of the nanocharges in the aramid matrix, we carried out a novel functionalization process in which nanocharges were chemically modified by anchoring a polyamide model to their surface. Then, we tested the different behavior of the aramid films reinforced with neat and functionalized nanocharges, observing that functionalization led to better nanocharges dispersion, reduction of pore size from the micrometer to the nanometer range and the improvement of the mechanical behavior, resulting in higher relative Young's moduli values (around 60% higher in porous aramids reinforced with functionalized nanocharges).
FEDER (Fondo Europeo de Desarrollo Regional) and both the Spanish Agencia Estatal de Investigación (MAT2017–84501-R) and the Consejería de Educación-Junta de Castilla y León (BU306P18)
application/pdf
eng
Elsevier
Polymer. 2020, V. 202, 122629
https://doi.org/10.1016/j.polymer.2020.122629
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
Nanoporous aramid
Carbon nanocharge
Ionic liquid
Chemistry
Química
High-performance nanoporous aramid films reinforced with functionalized carbon nanocharges using ionic liquids
info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
Polymer
202
122629
TEXT
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oai:riubu.ubu.es:10259/5344
2022-08-12 00:42:07.351
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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