Ionic liquids (ILs) are fascinating materials with unique physicochemical properties like non-volatility, non-flammability, wide electrochemical window, high thermal stability and high ionic conductivity. They offer numerous possibilities in the fields ranging from electrochemistry to mechanical engineering however their employment in the 3D printing technology is very limited till to date. One of the big challenges of using 3D printing for materials is a careful selection of component material with a perfect concentration and an appropriate method. In this study, we focused on the potential of ILs on 3D printing technology covering the most popular printing methods named fused deposition modeling (FDM) and stereolithography (SLA) process. For FDM process IL-based conductive nanocomposite filaments have been developed and printed via 3D printing process along with their material characterization. In a different approach, ionic gels in IL medium have been successfully printed by SLA process with precise structures of microscale resolution. Conductive, mechanical and other physicochemical properties have been explored to get the proper understanding of the ionic gel materials.
Kumkum Ahmed, Naofumi Naga, Masaru Kawakami, Ajit Khosla, and Hidemitsu Furukawa, "Ionic liquid in 3D printing (Conference Presentation)," Proc. SPIE 10597, Nano-, Bio-, Info-Tech Sensors, and 3D Systems II, 105970W (Presented at SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring: March 07, 2018; Published: 27 March 2018); https://doi.org/10.1117/12.2296818.5759124550001.
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