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. 2020 Nov 3;11:5401. doi: 10.1038/s41467-020-19174-1

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — a Ashby diagram of ultimate strength vs. modulus for all-natural bioinspired structural material compared with typical polymers³¹. b Ashby diagram of thermal conductivity vs. CTE for all-natural bioinspired structural material compared with typical polymers³¹. c Large-sized all-natural bioinspired structural material with a volume of 310 × 300 × 18 mm³. d All-natural bioinspired structural materials with different colors. Scale bar, 2 cm. e Mobile phone shell produced from the all-natural bioinspired structural material. PTFE polytetrafluoroethylene, PE polyethylene, PP polypropylene, TPU thermoplastic urethane, PVC polyvinyl chloride, PS polystyrene, PET polyethylene terephthalate, PEEK poly(ether ether ketone), POM polyformaldehyde.