Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials

Abstract Background While mycelium is considered a promising alternative for fossil-based resins in lignocellulosic materials, the mechanical properties of mycelium composite materials remain suboptimal, among other reasons due to the weak internal bonds between the hyphae and the natural fibres. A...

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Autores principales:	Elise Elsacker, Simon Vandelook, Bastien Damsin, Aurélie Van Wylick, Eveline Peeters, Lars De Laet
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Mycelium materials Trametes versicolor White-rot fungi Bacterial cellulose Biocomposite Hybrid materials Biotechnology TP248.13-248.65
Acceso en línea:	https://doaj.org/article/9953c8ab6cc6425ca892f6ead0c49567
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spelling	oai:doaj.org-article:9953c8ab6cc6425ca892f6ead0c495672021-12-05T12:18:56ZMechanical characteristics of bacterial cellulose-reinforced mycelium composite materials10.1186/s40694-021-00125-42054-3085https://doaj.org/article/9953c8ab6cc6425ca892f6ead0c495672021-12-01T00:00:00Zhttps://doi.org/10.1186/s40694-021-00125-4https://doaj.org/toc/2054-3085Abstract Background While mycelium is considered a promising alternative for fossil-based resins in lignocellulosic materials, the mechanical properties of mycelium composite materials remain suboptimal, among other reasons due to the weak internal bonds between the hyphae and the natural fibres. A solution could be provided by the hybridisation of mycelium materials with organic additives. More specifically, bacterial cellulose seems to be a promising additive that could result in reinforcing mycelium composites; however, this strategy is underreported in scientific literature. Results In this study, we set out to investigate the mechanical properties of mycelium composites, produced with the white-rot fungus Trametes versicolor, and supplemented with bacterial cellulose as an organic additive. A methodological framework is developed for the facile production of bacterial cellulose and subsequent fabrication of mycelium composite particle boards based on a hybrid substrate consisting of bacterial cellulose and hemp in combination with a heat-pressing approach. We found that, upon adding bacterial cellulose, the internal bond of the composite particle boards significantly improved. Conclusions The addition of bacterial cellulose to mycelium composite materials not only results in a strengthening of internal bonding of mycelium material, but also renders tuneable mechanical properties to the material. As such, this study contributes to the ongoing development of fully biological hybrid materials with performant mechanical characteristics.Elise ElsackerSimon VandelookBastien DamsinAurélie Van WylickEveline PeetersLars De LaetBMCarticleMycelium materialsTrametes versicolorWhite-rot fungiBacterial celluloseBiocompositeHybrid materialsBiotechnologyTP248.13-248.65ENFungal Biology and Biotechnology, Vol 8, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Mycelium materials Trametes versicolor White-rot fungi Bacterial cellulose Biocomposite Hybrid materials Biotechnology TP248.13-248.65
spellingShingle	Mycelium materials Trametes versicolor White-rot fungi Bacterial cellulose Biocomposite Hybrid materials Biotechnology TP248.13-248.65 Elise Elsacker Simon Vandelook Bastien Damsin Aurélie Van Wylick Eveline Peeters Lars De Laet Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials
description	Abstract Background While mycelium is considered a promising alternative for fossil-based resins in lignocellulosic materials, the mechanical properties of mycelium composite materials remain suboptimal, among other reasons due to the weak internal bonds between the hyphae and the natural fibres. A solution could be provided by the hybridisation of mycelium materials with organic additives. More specifically, bacterial cellulose seems to be a promising additive that could result in reinforcing mycelium composites; however, this strategy is underreported in scientific literature. Results In this study, we set out to investigate the mechanical properties of mycelium composites, produced with the white-rot fungus Trametes versicolor, and supplemented with bacterial cellulose as an organic additive. A methodological framework is developed for the facile production of bacterial cellulose and subsequent fabrication of mycelium composite particle boards based on a hybrid substrate consisting of bacterial cellulose and hemp in combination with a heat-pressing approach. We found that, upon adding bacterial cellulose, the internal bond of the composite particle boards significantly improved. Conclusions The addition of bacterial cellulose to mycelium composite materials not only results in a strengthening of internal bonding of mycelium material, but also renders tuneable mechanical properties to the material. As such, this study contributes to the ongoing development of fully biological hybrid materials with performant mechanical characteristics.
format	article
author	Elise Elsacker Simon Vandelook Bastien Damsin Aurélie Van Wylick Eveline Peeters Lars De Laet
author_facet	Elise Elsacker Simon Vandelook Bastien Damsin Aurélie Van Wylick Eveline Peeters Lars De Laet
author_sort	Elise Elsacker
title	Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials
title_short	Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials
title_full	Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials
title_fullStr	Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials
title_full_unstemmed	Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials
title_sort	mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials
publisher	BMC
publishDate	2021
url	https://doaj.org/article/9953c8ab6cc6425ca892f6ead0c49567
work_keys_str_mv	AT eliseelsacker mechanicalcharacteristicsofbacterialcellulosereinforcedmyceliumcompositematerials AT simonvandelook mechanicalcharacteristicsofbacterialcellulosereinforcedmyceliumcompositematerials AT bastiendamsin mechanicalcharacteristicsofbacterialcellulosereinforcedmyceliumcompositematerials AT aurelievanwylick mechanicalcharacteristicsofbacterialcellulosereinforcedmyceliumcompositematerials AT evelinepeeters mechanicalcharacteristicsofbacterialcellulosereinforcedmyceliumcompositematerials AT larsdelaet mechanicalcharacteristicsofbacterialcellulosereinforcedmyceliumcompositematerials
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Mechanical characteristics of bacterial cellulose-reinforced mycelium composite materials

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