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High-Performance All-Bio-Based Laminates Derived from Delignified Wood
- Marion Frey*Marion Frey*Email: [email protected]Wood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandWoodTec Group, Cellulose & Wood Materials, EMPA, Ueberlandstrasse 129, Dübendorf CH-8600, SwitzerlandMore by Marion Frey
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- Livia SchneiderLivia SchneiderWood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandMore by Livia Schneider
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- Hajar RaziHajar RaziWood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandWoodTec Group, Cellulose & Wood Materials, EMPA, Ueberlandstrasse 129, Dübendorf CH-8600, SwitzerlandMore by Hajar Razi
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- Etienne TrachselEtienne TrachselWood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandMore by Etienne Trachsel
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- Eric FaudeEric FaudeWood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandMore by Eric Faude
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- Sophie Marie KochSophie Marie KochWood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandWoodTec Group, Cellulose & Wood Materials, EMPA, Ueberlandstrasse 129, Dübendorf CH-8600, SwitzerlandMore by Sophie Marie Koch
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- Kunal MasaniaKunal MasaniaShaping Matter Lab, Faculty of Aerospace Engineering, TU Delft, HS Delft 2629, the NetherlandsMore by Kunal Masania
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- Peter FratzlPeter FratzlDepartment of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam 14424, GermanyMore by Peter Fratzl
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- Tobias Keplinger*Tobias Keplinger*Email: [email protected]Wood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandWoodTec Group, Cellulose & Wood Materials, EMPA, Ueberlandstrasse 129, Dübendorf CH-8600, SwitzerlandMore by Tobias Keplinger
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- Ingo BurgertIngo BurgertWood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, Zurich CH-8093, SwitzerlandWoodTec Group, Cellulose & Wood Materials, EMPA, Ueberlandstrasse 129, Dübendorf CH-8600, SwitzerlandMore by Ingo Burgert
Abstract
The need for renewable bio-based materials that could replace well-established synthetic composite materials is rapidly growing. For example, bio-based materials are increasingly used in applications where a lightweight design should be combined with sustainability and recyclability. However, it is often very challenging to directly transfer the excellent properties of biological materials to a product in a scalable and cost-efficient manner. In this study, we combined delignified wood layers (veneers) and a starch-based glue into bio-based high-performance composites. First, we investigated the ideal amount of starch-based glue between the layers to prevent delamination in the final composite. Then, we produced laminates in unidirectional, cross-ply, and quasi-isotropic configurations using wet processing. Laminates with tensile properties up to 40 GPa and 200 MPa in tensile stiffness and strength, respectively, were fabricated with a very high fiber volume content of up to 80%. The high fiber volume contents led to mechanical interlocks between neighboring fibers and made the need for an additional matrix unnecessary. The water-based laminate process is cost-efficient and scalable and additionally allows one to make full use of delignified wood’s formability by producing shaped parts for various applications.
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This article is cited by 13 publications.
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- Zhenjiong Wang, Zheng Xing, Qin Zhang, Dongxia Hu, Jiasheng Lv, Chaoyi Wu, Wenzhi Zhou, Zia-ud-Din. Effects of various durations of enzyme hydrolysis on properties of starch-based wood adhesive. International Journal of Biological Macromolecules 2022, 205 , 664-671. https://doi.org/10.1016/j.ijbiomac.2022.02.036
- Hao Sun, Congyu Hou, Tong Ji, Xinyuan Zhou, Zechun Ren, Yongming Song. Processing Bulk Wood into a Light-Permeable Passive Radiative Cooling Material for Energy-Efficient Building. SSRN Electronic Journal 2022, 524 https://doi.org/10.2139/ssrn.4007270
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