Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 132, Issue -, Pages 59-68Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2022.05.036
Keywords
Cotton fabric; Super -hydrophobicity; Flame retardancy; Electromagnetic interference shielding; Motion sensor; MXene
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In this study, a superhydrophobic fireproof cotton fabric was successfully prepared via sequential layer-by-layer deposition and hydrophobic treatment, which exhibited excellent fire resistance and multifunctional properties, showing great potential for practical applications.
Multifunctional intelligent fire-safe cotton fabric promises next-generation fire-fighting uniform and sensor applications. However, cotton fabrics' hygroscopicity and intrinsic flammability significantly impede their potential applications in industries. Herein, we report a superhydrophobic fireproof cotton fabric (PEI-APP-PEI-MXene) generated via sequential layer-by-layer deposition of polyethyleneimine (PEI), ammonium polyphosphate (APP), and titanium carbide (MXene), followed by hydrophobic treatment with silicone elastomer. Compared to untreated cotton, the treated cotton fabric with 10 polymolecular layers exhibits -43% and -42% reductions in the peak heat release rate and total heat release, respectively, a desired UL-94 V-0 rating, and a high limiting oxygen index (LOI) value of 39.5 vol.%. In addition to that, the treated fabrics displayed improved electromagnetic interference (EMI) shielding and motion-sensing abilities. The presented work provides a facile and effective surface modification approach to generate multifunctional cotton fabrics with promising practical applications. (c) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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