Abstract
The electrical conductivity and mechanical properties of a stretchable conductive composite textile (CCT) were simply enhanced by solvent treatment with ethanol (EtOH). The proposed flexible conductive composites were prepared using a conductive silicone polymer and a stretchable fabric, wherein the EtOH solvent effectively eliminates the unreacted silicone components between the textile fibers to form a mechanically interlocking structure between silicone polymer and fabric. As a result, mechanical failure between the silicone matrix and the textile layer after repeated tensile testing was prevented to result in a high strain recovery rate of silicone-embedded CCT. After six cyclic strain recovery tests, the EtOH-treated CCT exhibited an excellent recovery rate of 79.3% and continued to maintain a high recovery rate of 70.4% even after ten cycles. Notably, even after continuous tensile loading, an extremely low electrical resistance of 3.1 Ω was also retained.
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Acknowledgements
This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. NRF-2018R1A5A1024127). This work was also supported by Korea Institute for Advancement of Technology (KIAT) grant funded by the Korea Government (MOTIE) (P0012770).
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Kim, JW., Shin, G.J., Kim, D.H. et al. Enhancing the electrical conductivity of stretchable silicone composite textiles using ethanol solvent treatment. Korean J. Chem. Eng. 40, 1240–1246 (2023). https://doi.org/10.1007/s11814-023-1394-2
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DOI: https://doi.org/10.1007/s11814-023-1394-2