A Circular Approach for the Valorization of Tomato By-Product in Biodegradable Injected Materials for Horticulture Sector - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Polymers Year : 2023

A Circular Approach for the Valorization of Tomato By-Product in Biodegradable Injected Materials for Horticulture Sector

Abstract

This study focuses on the use of tomato (Solanum lycopersicum L.) by-product biomass from industrial plants as reinforcement for designing a range of new degradable and biobased thermoplastic materials. As a novel technique, this fully circular approach enables a promising up-cycling of tomato wastes. After an in-depth morphological study of the degree of reinforcement through SEM and dynamic analysis, mechanical characterization was carried out. Our mechanical results demonstrate that this circular approach is of interest for composite applications. Despite their moderate aspect ratio values (between 1.5 and 2), the tomato by-product-reinforced materials can mechanically compete with existing formulations; PBS-Tomato fiber, for example, exhibits mechanical performance very close to that of PP-flax, especially regarding strength (+11%) and elongation at break (+6%). According to the matrix and particle morphology, a large range of products—biobased and/or degradable, depending on the targeted application—can be designed from tomato cultivation by-products.
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hal-04024222 , version 1 (10-03-2023)

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Alain Bourmaud, Kolja Konschak, Coralie Buffet, Méline Calatraba, Anton Loïc Rudolph, et al.. A Circular Approach for the Valorization of Tomato By-Product in Biodegradable Injected Materials for Horticulture Sector. Polymers, 2023, 15 (4), pp.820. ⟨10.3390/polym15040820⟩. ⟨hal-04024222⟩
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