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Título

Confinement of poly(ethylene oxide) in the nanometer-scale pores of resins and carbon nanoparticles

Autor Barroso-Bujans, Fabienne ; Palomino, Pablo; Cerveny, Silvina ; Fernández-Alonso, Félix; Rudić, Svemir; Alegría, Ángel ; Colmenero de León, Juan ; Enciso, Eduardo
Fecha de publicación 2013
EditorRoyal Society of Chemistry (Great Britain)
Citación Soft Matter 9(46): 10960-10965 (2013)
ResumenThe confinement of poly(ethylene oxide) (PEO) in porous materials derived from organic resins and carbon nanoparticles leads to the disappearance of crystallization and to a significant modification of the glass transition. Textural data on pristine and PEO-filled materials obtained by means of nitrogen physisorption link this thermal behaviour to the spatial confinement of PEO in the micro- and mesopore cavities, and it is largely dictated by the morphology and composition of the underlying substrate. High-resolution inelastic neutron scattering of PEO confined in carbon nanoparticles confirms that the chain conformations are distinctly different from those characteristic of the semicrystalline bulk, and similar to those of PEO confined in the interlayer space of graphite oxide. © The Royal Society of Chemistry 2013.
URI http://hdl.handle.net/10261/102552
DOI10.1039/c3sm51563J
Identificadoresdoi: 10.1039/c3sm51563J
issn: 1744-683X
e-issn: 1744-6848
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