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

被引：1

作者：

Iadarola, Andrea ^{[1
]}

Di Matteo, Pietro ^{[2
]}

Ciardiello, Raffaele ^{[1
]}

Gazza, Francesco ^{[3
]}

Lambertini, Vito Guido ^{[3
]}

Brunella, Valentina ^{[2
]}

Paolino, Davide Salvatore ^{[1
]}

机构：

[1] Politecn Torino, Dept Mech & Aerosp Engn, Corso Duca Abruzzi 24, I-10029 Turin, Italy

[2] Univ Torino, Dept Chem, Via Pietro Giuria 7, I-10125 Turin, Italy

[3] Ctr Ric Fiat Stellantis, Mat Tech Expertise Dept, Corso Giovanni Agnelli 220, I-10135 Turin, Italy

来源：

POLYMERS | 2025年 / 17卷 / 03期

关键词：

cashew nutshell liquid; carbon footprint; composites; automotive;

D O I：

10.3390/polym17030296

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

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.

引用

页数：17

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