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Photothermal triggering of self-healing processes applied to the reparation of bio-based polymer networks

Altuna, Facundo Ignacio et al · IOP Publishing · 2016

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Author / responsible party
Altuna, Facundo Ignacio et al
Publisher
IOP Publishing
Year
2016
ISSN
2053-1591
ISSN
2053-1591
Language
English

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Summary

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Green laser irradiation successfully activated self-healing processes in epoxy-acid networks modified with low amounts of gold nanoparticles (NPs). A bio-based polymer matrix, obtained by crosslinking epoxidized soybean oil (ESO) with an aqueous citric acid (CA) solution, was self-healed through molecular rearrangements produced by transesterification reactions of β-hydroxyester groups generated in the polymerization reaction. The temperature increase required for the triggering of these thermally activated reactions was attained by green light irradiation of the damaged area. Compression force needed to assure a good contact between crack faces was achieved by volume dilatation generated by the same temperature rise. Gold NPs dispersed in the polymer efficiently generated heat in the presence of electromagnetic radiation under plasmon resonance, acting as nanometric heating sources and allowing remote activation of the self-healing in the crosslinked polymer. Fil: Altuna, Facundo Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina Fil: Antonacci, J.. Universidad Nacional de Mar del Plata; Argentina

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APA 7

Altuna, F. I. E. A. (2016). Photothermal triggering of self-healing processes applied to the reparation of bio-based polymer networks. http://hdl.handle.net/11336/33391

MLA

Altuna, Facundo Ignacio et al. "Photothermal triggering of self-healing processes applied to the reparation of bio-based polymer networks." 2016. http://hdl.handle.net/11336/33391.

Chicago

Altuna, Facundo Ignacio et al. 2016. "Photothermal triggering of self-healing processes applied to the reparation of bio-based polymer networks.". http://hdl.handle.net/11336/33391.

Harvard

Altuna, F. I. E. A. 2016, Photothermal triggering of self-healing processes applied to the reparation of bio-based polymer networks, IOP Publishing, available at: http://hdl.handle.net/11336/33391 [Accessed 8 Aug. 2026].

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Resource details

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Title
Photothermal triggering of self-healing processes applied to the reparation of bio-based polymer networks
Author / contributors
Altuna, Facundo Ignacio et al
Publisher
IOP Publishing
Publication year
2016
ISSN
2053-1591
ISSN
2053-1591
Language
English

Subjects

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Polymeric Nanocomposite; Photothermal Effect; Self-Healing; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1; https://purl.org/becyt/ford/2.5; https://purl.org/becyt/ford/2; https://purl.org/becyt/ford/2.10; https://purl.org/becyt/ford/2
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