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.

引用

页数：4

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