Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 59, Issue 31, Pages 14025-14036Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.0c02618
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Funding
- National Natural Science Foundation of China [U1833113, 51573173]
- Youth Innovation Promotion Association CAS [2019448]
- Fundamental Research Funds for the Central Universities [WK2320000043, WK2320000044]
- Excellent Young Scientist Training Program of USTC [KY2320000018]
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In this work, a highly efficient flame retardant and electromagnetic interference (EMI) shielding coating on cotton fabric was fabricated by a simple solution impregnation and dipcoating method, which involved three layers of polyacetimidate (PEI), ammonium polyphosphate (APP), and Ti3C2Tx. When exposed directly to flame, the PEI/APP coating lead to a char layer resulting in self-extinguishing performance. Particularly, the cotton fabric coated by increasing amounts of Ti3C2Tx gradually achieved EMI shielding performance. When the Ti3C2Tx sheets content was 5.2 mg/cm(2), a high electrical conductivity of 670.3 S.m(-1) and a EMI shielding effectiveness of 31.04 dB were achieved in the X-band with an absorption-dominated mechanism. Besides, such modified cotton fabric also has the potential to be used as an electrical heating material. The temperature could even reach up to about 64.3 degrees C under an applied voltage of just 4 V. Therefore, this work provided a feasible idea for preparing multifunctional fabrics.
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