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Superhydrophobic self-extinguishing cotton fabrics for electromagnetic interference shielding and human motion detection

查看全文 作　　者：Lei [1]Liu;Zhewen [2]Ma;Menghe [1]Zhu;Lina [2]Liu;Jinfeng [2]Dai;Yongqian [3]Shi;Jiefeng [4]Gao;Toan [5,6]Dinh;Thanh [5,6]Nguyen;Long-Cheng [7]Tang;Pingan [5,8]Song 高影响力作者 机构地区：[1]College of Environment and Safety Engineering,Qingdao University of Science and Technology,Qingdao 266061,China;[2]School of Chemistry and Materials Engineering,Zhejiang A&F University,Hangzhou 311300,China;[3]College of Environment and Safety Engineering,Fuzhou University,Fuzhou 350116,China;[4]School of Chemistry and Chemical Engineering,Yangzhou University,Yangzhou 225002,China;[5]Centre for Future Materials,University of Southern Queensland,Springfield 4300,Australia;[6]School of Engineering,University of Southern Queensland,Springfield 4300,Australia;[7]College of Material,Chemistry and Chemical Engineering,Key Laboratory of Organosilicon Chemistry and Material Technology of MoE,Hangzhou Normal University,Hangzhou 311121,China;[8]School of Agriculture and Environmental Science,University of Southern Queensland,Springfield 4300,Australia高影响力机构 出　　处：《Journal of Materials Science & Technology》索引2023年第1期,共10页高影响力期刊 基　　金：supported by the Australian Research Council(Nos.DP190102992,FT190100188);the National Natural Science Foundation of China(No.51873196);the Key Research and Development Projects of Zhejiang Province(No.2019C01098). 摘　　要：Multifunctional intelligent fire-safe cotton fabric promises next-generation fire-fighting uniform and sen-sor 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),am-monium 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. 关 键 词：Cotton fabric SUPER-HYDROPHOBICITY Flame retardancy Electromagnetic interference shielding Motion sensor MXene
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