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- Title
Multifunctional waterproof MXene-coated wood with high electromagnetic shielding performance.
- Authors
Wei, Yuyi; Dai, Zhenhua; Zhang, Yanfei; Zhang, Weiwei; Gu, Jin; Hu, Chuanshuang; Lin, Xiuyi
- Abstract
Increasing electromagnetic pollution calls for electromagnetic interference (EMI) shielding materials, especially sustainable, lightweight, and environmentally stable, biomass-based materials. MXene-coated wood (M/wood) is prepared by simply spraying MXene sheets on the wood surface. Varying this spray coating manipulates the shielding performance and its application to different wood species. The M/wood exhibits high electrical conductivity (sheet resistance is only 0.65 Ω/sq) with an excellent EMI shielding effectiveness of 31.1 dB at 8.2 ~ 12.4 GHz and is also fire retardant. Furthermore, waterborne acrylic resin (WA) is coated on M/wood to enhance environmental stability. The WA coating improves EMI shielding performance stability after water-soaking and drying testing and prevents the peeling of MXene from wood. These satisfactory properties of WA-M/wood and the facile manufacturing approach promote the feasibility of wood-based EMI shielding materials.
- Subjects
WESTERN Australia; ELECTROMAGNETIC shielding; FIREPROOFING agents; WOOD; ELECTROMAGNETIC interference; WATERPROOFING
- Publication
Cellulose, 2022, Vol 29, Issue 10, p5883
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-022-04609-3