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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/73077

    Título
    Viscoelastic property enhancement of polymethylmethacrylate molecularly confined within 3D nanostructures
    Autor
    Martín de León, JuditAutoridad UVA
    Pura Ruiz, José LuisAutoridad UVA
    Rodríguez Méndez, María LuzAutoridad UVA Orcid
    Rodríguez Pérez, Miguel ÁngelAutoridad UVA Orcid
    Año del Documento
    2024
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    European Polymer Journal, 2024, vol. 214, 113181
    Abstract
    Owing to its applications in various fields, such as biomedical, microelectronics, sensors, and polymer composites, polymer nanoconfinement is a widely studied topic. This confinement changes the configuration of molecules compared with those of solids, which, in the case of polymeric films, decreases the glass transition temperature and mechanical properties of the polymer. In this study, nanostructured polymethylmethacrylate, presenting three-dimensional nanoscale confinement were evaluated using amplitude modulation–frequency modulation atomic force microscopy for the first time. The Young’s moduli and loss tangents were measured, and the results suggest that for cells smaller than approximately 39 nm, the Young’s modulus of the 3-D confined polymer enhances that of the raw solid owing to reduced molecular mobility. This research shows that the molecular mobility was reduced because polymer chains were confined within three-dimensional space.
    Palabras Clave
    Three-dimensional polymer confinement
    Amplitude modulation–frequency modulation atomic force microscopy
    Nanocellular polymer
    Mechanical property
    Loss tangent
    Confined polymethylmethacrylate
    ISSN
    0014-3057
    Revisión por pares
    SI
    DOI
    10.1016/j.eurpolymj.2024.113181
    Patrocinador
    Ministerio de Ciencia e Innovación (RTI2018-098749-B-I00 and PID2021-127108OB-I00, TED2021-130965B-I00 and PDC2022-133391-I00)
    Junta de Castilla y León (VA202P20)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0014305724004427
    Propietario de los Derechos
    © 2024 The Author(s)
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/73077
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • DEP32 - Artículos de revista [284]
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