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.
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收藏
页数：17
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