Electrical and magnetic network design for improving electromagnetic interference shielding performance of waterborne polyurethane fabrics

被引：6
|
作者：
Zhou, Yiyang [1 ]
Sang, Guolong [2 ]
Yu, Miao [1 ]
Xu, Pei [1 ]
Ding, Yunsheng [1 ]
机构：
[1] Hefei Univ Technol, Sch Chem & Chem Engn, Anhui Key Prov Lab Adv Funct Mat & Devices, Hefei 230009, Peoples R China
[2] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源：
MATERIALS LETTERS | 2022年 / 314卷
基金：
中国国家自然科学基金;
关键词：
Fabric; Carbon nanotubes; Waterborne polyurethane; Composite materials; Electromagnetic interference shielding; FILMS;
D O I：
10.1016/j.matlet.2022.131862
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Waterborne polyurethane (WPU) fabrics containing multiwalled carbon nanotubes (CNTs) and Ni coated multiwalled carbon nanotubes (Ni@CNTs) were successfully fabricated through emulsion mixing and drop-coating method. Carbon-based nanofillers were distributed in the conformal WPU matrix and fabric substrate, and intertwined with each other to form electric/magnetic network. The electromagnetic interference shielding effectiveness (EMI SE) of PU/10Ni@CNTs/10CNTs fabric reaches 77.2 dB, batter than that PU/20CNTs fabrics due to the synergistic effect of electrical, dielectric, and magnetic loss.
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页数：4
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