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Upcycling Sunflower Stems as Natural Fibers for Biocomposite Applications

Abstract : One of the big global, environmental, and socioeconomic challenges of today is to make a transition from fossil fuels to biomass as a sustainable supply of renewable raw materials for industry. Growing public awareness of the negative environmental effects of petrochemical-based products adds to the need for alternative production chains, especially in materials science. One option lies in the value-added upcycling of agricultural by-products, which are increasingly being used for biocomposite materials in transport and building sector applications. Here, sunflower by-product (obtained by grinding the stems) is considered as a source of natural fibers for engineered biocomposite material. Recent results are shown for the main mechanical properties of sunflower-based biocomposites and the socioeconomic impact of their use. This paper demonstrates that sunflower stem makes a good candidate feedstock for material applications. This is due not only to its physical and chemical properties, but also to its socioeconomic and environmental rationales.
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https://hal.uca.fr/hal-01658069
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Submitted on : Friday, December 8, 2017 - 2:56:35 PM
Last modification on : Tuesday, September 7, 2021 - 3:55:03 PM

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Jean-Denis Mathias, Arnaud Alzina, Michel Grédiac, Philippe Michaud, Philippe Roux, et al.. Upcycling Sunflower Stems as Natural Fibers for Biocomposite Applications. Bioresources, North Carolina State University, 2015, 10 (4), pp.8076-8088. ⟨hal-01658069⟩

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