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Volume 133
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10.3390/engproc2026133153
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Proceeding Paper

Self-Healing Thermosetting Load-Bearing Resins: Morphological and Mechanical Properties †

by
Marialuigia Raimondo
1,*,
Elisa Calabrese
1,
Luigi Vertuccio
2 and
Liberata Guadagno
1
1
Department of Industrial Engineering, University of Salerno, 84084 Fisciano, Italy
2
Department of Engineering, University of Campania “Luigi Vanvitelli”, 81031 Aversa, Italy
*
Author to whom correspondence should be addressed.
†
Presented at the 15th EASN International Conference, Madrid, Spain, 14–17 October 2025.
Eng. Proc. 2026, 133(1), 153; https://doi.org/10.3390/engproc2026133153
Published: 18 May 2026
(This article belongs to the Proceedings of The 15th EASN International Conference on “Innovation in Aviation & Space Towards Sustainability Today & Tomorrow”)
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Abstract

This paper focuses on developing reinforced self-healing supramolecular resins that meet both functional and structural needs for industrial use. The formulated advanced nanocomposites are made from compounds that allow for reversible self-healing interactions. The self-healing molecules bond with the toughened epoxy matrix using hydrogen bonding. To enhance the epoxy’s typical insulating properties, electrically conductive carbon nanotubes (CNTs) were added to achieve an electrical percolation threshold (EPT) with a low amount of nanofiller. This study found that self-healing efficiency can reach nearly 99%. The addition of healing compounds significantly raises the glass transition temperature to over 200 °C. Tunneling Atomic Force Microscopy (TUNA), which is an innovative tool for correlating local topography with electrical properties, reveals the structural properties and compatibility of these materials, mapping conductive pathways at the micro- and nanoscale.
Keywords: tunneling atomic force microscopy (TUNA); mechanical properties; thermosetting resins; carbon nanotubes; molecular self-healing fillers; smart materials; reversible interactions tunneling atomic force microscopy (TUNA); mechanical properties; thermosetting resins; carbon nanotubes; molecular self-healing fillers; smart materials; reversible interactions

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MDPI and ACS Style

Raimondo, M.; Calabrese, E.; Vertuccio, L.; Guadagno, L. Self-Healing Thermosetting Load-Bearing Resins: Morphological and Mechanical Properties. Eng. Proc. 2026, 133, 153. https://doi.org/10.3390/engproc2026133153

AMA Style

Raimondo M, Calabrese E, Vertuccio L, Guadagno L. Self-Healing Thermosetting Load-Bearing Resins: Morphological and Mechanical Properties. Engineering Proceedings. 2026; 133(1):153. https://doi.org/10.3390/engproc2026133153

Chicago/Turabian Style

Raimondo, Marialuigia, Elisa Calabrese, Luigi Vertuccio, and Liberata Guadagno. 2026. "Self-Healing Thermosetting Load-Bearing Resins: Morphological and Mechanical Properties" Engineering Proceedings 133, no. 1: 153. https://doi.org/10.3390/engproc2026133153

APA Style

Raimondo, M., Calabrese, E., Vertuccio, L., & Guadagno, L. (2026). Self-Healing Thermosetting Load-Bearing Resins: Morphological and Mechanical Properties. Engineering Proceedings, 133(1), 153. https://doi.org/10.3390/engproc2026133153

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