Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 614, Issue -, Pages 194-204Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2022.01.030
Keywords
Spunlace non-woven fabric; rGO/MXene; Sandwich structure; Electromagnetic interference shielding; Electric heating
Categories
Funding
- National Natural Science Foun-dation of China [51773170]
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Combining flexible reduced graphene oxide (rGO) with highly electrical conductive and flame retardant MXene, a sandwich structure composite film was prepared using a small amount of polyvinyl alcohol (PVA) as the adhesive. The fabricated film exhibited excellent electromagnetic interference (EMI) shielding effectiveness, electric heating performance, and flame retardancy.
Combining flexible reduced graphene oxide (rGO) with highlyelectrical conductive and flame retardant MXene to prepare electromagnetic interference (EMI) shielding composite film is a research hotspot. In this work, with a small amount of polyvinyl alcohol (PVA) used as the adhesive, rGO/MXene loaded on spunlace non-woven fabric (SNF) through a soaking-drying-reduction method to form a sandwich structure composite film (SNF covered with rGO/MXene nanosheets as the interlayer, and rGO/MXene thin films as the upper and lower layers). The related EMI shielding effectiveness (SE), electric heating performance and flame retardancy of the fabricated sandwich structure composite film have been investigated. When the mass ratio of rGO to MXene is 6:4 (named rGO/MXene-4), the average SET of the film can reach 55.81 dB in X-band with an absorption-dominant shielding. Applying a 4 V voltage to rGO/MXene-4 film, its surface temperature can exceed 110 degrees C within 10 s, which indicated the fabricated rGO/MXene-4 film can be applied as a high electromagnetic shielding electric heating device with outstanding flame retardancy. (C) 2022 Elsevier Inc. All rights reserved.
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