Mechanical Characterization of Cardanol Bio-Based Epoxy Resin Blends: Effect of Different Bio-Contents

Mechanical Characterization of Cardanol Bio-Based Epoxy Resin Blends: Effect of Different Bio-Contents

This study investigates the impact of an increased bio-content on the mechanical properties of bio-based epoxy resins. Cardanol-based epoxy and novolac resins (65% and 84% bio-content, respectively) were combined with two commercial cardanol-based epoxy systems to achieve higher total bio-contents....

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Veröffentlicht in:Polymers 2025-01, Vol.17 (3), p.296
Hauptverfasser: Iadarola, Andrea, Di Matteo, Pietro, Ciardiello, Raffaele, Gazza, Francesco, Lambertini, Vito Guido, Brunella, Valentina, Paolino, Davide Salvatore
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container_issue 3
container_start_page 296
container_title Polymers
container_volume 17
creator Iadarola, Andrea
Di Matteo, Pietro
Ciardiello, Raffaele
Gazza, Francesco
Lambertini, Vito Guido
Brunella, Valentina
Paolino, Davide Salvatore
description This study investigates the impact of an increased bio-content on the mechanical properties of bio-based epoxy resins. Cardanol-based epoxy and novolac resins (65% and 84% bio-content, respectively) were combined with two commercial cardanol-based epoxy systems to achieve higher total bio-contents. Quasi-static tensile tests showed that resin blends with up to 40% bio-content maintain tensile properties comparable to traditional formulations, with a glass transition temperature (Tg) suitable for automotive requirements. The results highlight that an increased bio-content enhances flexibility and viscoelastic behavior. Additionally, the tests showed that epoxy resins with a high bio-content represent a sustainable alternative with reduced environmental impact. This work benchmarks novel cardanol-based epoxy formulations with existing bio-based systems, supporting their industrial application.
doi_str_mv 10.3390/polym17030296
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title Mechanical Characterization of Cardanol Bio-Based Epoxy Resin Blends: Effect of Different Bio-Contents
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