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18 April 2023 3D printing of concentrated nanocellulose blended tannic acid blend for environmentally friendly structural applications (Conference Presentation)
Jongmin Song, Yangxiaozhe Jiang, Muhammad Latif, Hyeon Cheol Cho, Jaehwan Kim
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Proceedings Volume PC12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023; PC1248509 (2023) https://doi.org/10.1117/12.2658232
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States
Abstract
Extrusion-based 3D printing is widely used to fabricate precise and accurate 3D structures with nanocellulose suspensions due to its excellent material flow control and system stability. The current issues related to high concentration nanocellulose 3D structures are low printability, layers adhesion, shape fidelity, and mechanical strength. Herein, the issues associated with 3D printed concentrated nanocellulose structures were resolved by mixing different concentrations of tannic acid. The printing parameters of a twin-screw extruder, tannin acid content, and drying conditions were optimized for concentrated nanocellulose paste. The mechanical results showed that tannic acid effectively improved the adhesion between printed layers, as confirmed by a scanning electron microscope.
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Jongmin Song, Yangxiaozhe Jiang, Muhammad Latif, Hyeon Cheol Cho, and Jaehwan Kim "3D printing of concentrated nanocellulose blended tannic acid blend for environmentally friendly structural applications (Conference Presentation)", Proc. SPIE PC12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023, PC1248509 (18 April 2023); https://doi.org/10.1117/12.2658232
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KEYWORDS
3D printing
Control systems
Electron microscopes
Printing
Scanning electron microscopy
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