期刊
CARBOHYDRATE POLYMERS
卷 254, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2020.117033
关键词
Wood-based composites; Lignocellulose; MXene; Mechanical robustness; Electromagnetic interference shielding
资金
- Beijing Common Construction Project
- Beijing Forestry University [2016HXKFCLXY001]
This study presents an environmentally friendly and effective method to fabricate wood-based composites with high mechanical robustness and EMI shielding performance through a MXene/cellulose scaffold assembly strategy. These materials exhibit excellent compressive strength and EMI shielding effectiveness, making them suitable for structural materials in next-generation communications and electronic devices.
Electromagnetic-interference (EMI) shielding materials that are green, lightweight, and with high mechanical properties need to be urgently developed to address increasingly severe radiation pollution. However, limited EMI shielding materials are successfully used in practical applications, due to the intensive energy consumption or the absence of sufficient strength. Herein, an environmentally friendly and effective method was proved to fabricate wood-based composites with high mechanical robustness and EMI shielding performance by a MXene/cellulose scaffold assembly strategy. The lignocellulose composites with a millimeter-thick mimic the mortar brick layered structure, resulting in excellent mechanical properties that can achieve the compressive strength of 288 MPa and EMI shielding effectiveness of 39.3 dB. This top-down method provides an alternative for the efficient production of robust and sustainable EMI shielding materials that can be used in the fields of structural materials for next-generation communications and electronic devices.
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