2024-03-28T09:52:06Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/48612021-11-10T09:38:20Zcom_10259_4313com_10259_5086com_10259_2604com_10259_4244col_10259_4314col_10259_4245
Microcellular polymer films based on cross-linked 1-vinyl-2-pyrrolidone and methyl methacrylate
Reglero Ruiz, José A.
Vallejos Calzada, Saúl
Pascual Portal, Blanca Sol
Ramos Rodríguez, Cipriano
Beltrán Calvo, Sagrario
García García, Félix Clemente
García Pérez, José Miguel
Microcellular polymer foam
Films
Cross-linking
Tensile properties
ScCO2 foaming
A series of cross-linked copolymer films based on 1-vinyl-2-pyrrolidone and methyl methacrylate were produced using different poly(ethylene glycol) dimethacrylates as cross-linking agents. The average molecular mass of the cross-linking agent was varied, then allowing the foaming process using supercritical CO2 (ScCO2), obtaining microcellular films with different cellular structures as a function of the molecular mass of the cross-linking agent. The chemical structure, swelling behavior, CO2 uptake and cellular morphology of the materials were studied. Finally, the influence of the different cross-linking agents in the mechanical properties was also evaluated by measuring the tensile properties of the microcellular films.
2018-07-23
2018-10
2020-10
info:eu-repo/semantics/article
0896-8446
http://hdl.handle.net/10259/4861
10.1016/j.supflu.2018.07.011
eng
The Journal of Supercritical Fluids. 2018, V. 140, p. 270-278
https://doi.org/10.1016/j.supflu.2018.07.011
info:eu-repo/grantAgreement/MINECO/MAT2017-84501-R
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
Attribution-NonCommercial-NoDerivatives 4.0 International
Elsevier