期刊
FIBERS
卷 11, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/fib11030029
关键词
shielding effectiveness; conductive coating; magnetic properties; porosity; cover factor
Shielding of instruments and humans from electromagnetic interference (EMI) has become increasingly important. Textile fabrics with bendable, drapable, and stretchable EMI shielding properties are ideal for this purpose. However, conductivity and magnetic properties need to be added through conductive yarn, coatings, or fibers. Recent research has focused on MXenes due to their high conductivity and EMI shielding effectiveness, while other conductive and magnetic coatings and fibers are still promising for EMI shielding textile fabrics.
Shielding of instruments and humans from electromagnetic interference (EMI) has become increasingly important during the last decades due to more and more machines and devices radiating electromagnetic waves. While several applications can use rigid shields, more flexibility is enabled by developing bendable, drapable, ideally even stretchable EMI shielding. Textile fabrics can have these properties, combined with potentially good mechanical properties, depending on the textile structure and the chosen material. On the other hand, the necessary physical properties, especially conductivity and magnetic properties, cannot be taken for granted in normal textile fabrics. These properties have to be added by conductive yarn or layer coatings, integration of conductive or magnetic fibers, producing intrinsically conductive or magnetic fibers, etc. The article gives a critical comparison of the properties of materials typically used for this purpose, such as intrinsically conductive polymers, metal-coated fabrics and metal wires, MXene coatings, MXene fibers, carbon coatings, and fibers. The review concentrates on thematically suitable papers found in the Web of Science and Google Scholar from the last five years and shows that especially MXenes are highly investigated recently due to their high conductivity and EMI shielding effectiveness, while other conductive and magnetic coatings and fibers are nevertheless still interesting for the preparation of EMI shielding textile fabrics.
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