Reprogrammable, Sustainable, and 3D‐Printable Cellulose Hydroplastic

Reprogrammable, Sustainable, and 3D‐Printable Cellulose Hydroplastic

Advanced Science

10.1002/advs.202402390

http://dx.doi.org/10.1002/advs.202402390

J. Justin Koh, Xue Qi Koh, Jing Yee Chee, Souvik Chakraborty, Si Yin Tee, Danwei Zhang, Szu Cheng Lai, Jayven Chee Chuan Yeo, Jia Wen Jaslin Soh, Peiyu Li, Swee Ching Tan, Warintorn Thitsartarn, Chaobin He

3D printing, cellulose, electronics, Sustainability, hydroplastic

28 May 2024

Koh, J. J., Koh, X. Q., Chee, J. Y., Chakraborty, S., Tee, S. Y., Zhang, D., Lai, S. C., Yeo, J. C. C., Soh, J. W. J., Li, P., Tan, S. C., Thitsartarn, W., & He, C. (2024). Reprogrammable, Sustainable, and 3D‐Printable Cellulose Hydroplastic. Advanced Science, 11(29). Portico. https://doi.org/10.1002/advs.202402390

AbstractModern human societies are highly dependent on plastic materials, however, the bulk of them are non‐renewable commodity plastics that cause pollution problems and consume large amounts of energy for their thermal processing activities. In this article, a sustainable cellulose hydroplastic material and its composites, that can be shaped repeatedly into various 2D/3D geometries using just water are introduced. In the wet state, their high flexibility and ductility make it conducive for the shaping to take place. In the ambient environment, the wet hydroplastic transits spontaneously into rigid materials with its intended shape in a short time of <30 min despite a thickness of hundreds of microns. They also possess humidity resistance and are structurally stable in highly humid environments. Given their excellent mechanical properties, geometry reprogrammability, bio‐based, and biodegradable nature, cellulose hydroplastic poses as a sustainable alternative to traditional plastic materials and even “green” thermoplastics. This article also demonstrates the possibility of 3D‐printing these hydroplastics and the potential of employing them in electronics applications. The demonstrated hydroshapable structural electronic components show capability in performing electronic functions, load‐bearing ability and geometry versatility, which are attractive features for lightweight, customizable and geometry‐unique electronic devices.

Attribution 4.0 International (CC BY 4.0)

This research / project is supported by the Agency of Science, Technology and Research (A*STAR) - RIE2025 MTC Young Individual Research Grant
Grant Reference no. : M22K3c0101

This research / project is supported by the Agency of Science, Technology and Research (A*STAR) - RIE2025 MTC Young Individual Research Grant
Grant Reference no. : M21K3c0125

https://oar.a-star.edu.sg/communities-collections/articles/20756

2198-3844
2198-3844

Institute of Materials Research and Engineering