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A Robust, Multifunctional MOF-Derived Co@C/rGO/GPTMS-Modified Superhydrophilic Fabric Coating for High-Efficiency
Yuxin Xu1, Jiahao Zhu1, Yi Zhang1
1Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education Collaborative, College of Textiles & Clothing, Qingdao University, Qingdao 266071, China.
Researchers developed a novel water-based coating for PET fabrics, enhancing electromagnetic wave absorption (EWA) and adding antibacterial, antistatic, and moisture-wicking functions. This eco-friendly textile innovation offers advanced personal protection and performance.
Area of Science:
- Materials Science and Engineering
- Textile Chemistry
- Nanotechnology
Background:
- Personal protective textiles require advanced functionalities beyond basic protection.
- High-performance electromagnetic wave absorption (EWA) is crucial for shielding applications.
- Integrating multiple properties like antibacterial and wicking into textiles remains a challenge.
Purpose of the Study:
- To develop a single-step, eco-friendly fabrication strategy for multifunctional coatings on PET fabrics.
- To enhance electromagnetic wave absorption (EWA) while simultaneously imparting antibacterial, antistatic, and water/sweat-wicking properties.
- To investigate the synergistic effects of Co@C nanoparticles, reduced graphene oxide (rGO), and GPTMS cross-linking for advanced textile performance.
Main Methods:
- A water-based coating formulation incorporating Co@C nanoparticles (from ZIF-67), in situ reduced graphene oxide (rGO), and GPTMS was applied to PET fabrics.
- The coating utilized synergistic interactions for cross-linking and functional integration.
- Characterization included EWA performance testing (RLmin, EABmax), antibacterial assays, and antistatic property evaluation.
Main Results:
- The Co@C/rGO/GPTMS-coated PET fabric demonstrated excellent EWA with RLmin of -56.5 dB and broad EABmax across the X-band.
- The fabric exhibited superior moisture-wicking and water adsorption capabilities.
- The coating achieved over 99% antibacterial rate against S. aureus and E. coli, with significant static voltage reduction (130 V) and a short half-life (0.01 s).
Conclusions:
- A novel, environmentally friendly method successfully created a multifunctional coating on PET fabrics.
- The integrated coating provides high-performance EWA, antibacterial, antistatic, and moisture-wicking properties.
- This research opens avenues for advanced smart textiles with enhanced personal protection and performance characteristics.
