Improvement of the electromagnetic properties of blended electromagnetic shielding fabric of cotton/stainless steel/polyester based on multi-layer MXenes

Abstract

Blended electromagnetic shielding (EMS) fabrics of cotton/stainless steel/polyester have been widely applied. The porous structure of the fabric is the guarantee of its good comfort performance, but it also hinders the improvement of shielding efficiency and the endowing of wave absorption performance. To solve the above problems, this paper proposes a mixed resistance field based on fabric pores by the construction of multi-layer MXenes. Ti3AlC2 is etched by hydrochloric acid and lithium fluoride to generate hydrofluoric acid in situ to prepare multi-layer Ti3C2T x. The finishing experiments are designed to finish the fabric around the pores with Ti3C2T x impregnation. The enhancement effect and mechanism of the mixed resistance field on the shielding effectiveness and wave absorbing properties of the fabric are analyzed. The result shows that the multi-layer Ti3C2T x for textile finishing is prepared quickly and effectively using the proposed method. The micro media of the Ti3C2T x in the dispersion are adsorbed on the surface of various fibers, most of which are cotton fibers. The shielding effectiveness of the finished EMS fabric is improved significantly in the frequency ranges of 6.57–14 GHz and 11.97–18 GHz. The wave absorbing performances in the frequency range of 11.97–18 GHz are excellent. It is proved that the effect of the mixed resistance field of the pores was satisfactory. This paper provides a new way for the application of Ti3C2T x in EMS fabric, solves the disadvantages caused by pores, and can provide a reference for the design and production of wave absorbing EMS fabric.

Review of MXene Nanosheet Composites for Flexible Pressure Sensors

“…Nonwovens are fabrics that are formed without spinning and weaving. They are simply textile staple fibers or filaments arranged in a directional or random pattern to form a fiber web structure, which is then reinforced by mechanical, thermal, or chemical means and can be used directly for clothing wear, and are part of the fabric part. , The interconnected fibers on the nonwoven can form a continuous conductive network with splendid isotropy, which provides an ideal template for the deposition of conductive materials. , Table summarizes the properties of MXene/nonwoven fabric composites.…”

Effect of carbon nanotube fiber on shielding effectiveness of stainless-steel electromagnetic shielding fabric

“…To prevent electromagnetic pollution, it is necessary to employ effective electromagnetic radiation protection measures. Electromagnetic shielding (EMS) fabrics are widely applied as electromagnetic protective materials (Liu et al ., 2022).…”

Influence of washability treatment on the electromagnetic interference shielding material’s comfort properties

“…[7][8][9][10] For electromagnetic shielding textile materials, there are also a number of specialists who have studied the comfort performance associated with them. [11][12][13][14] However, few researchers have studied its washability and how to improve the washability of this material. 15 Therefore, the focus of this paper is to investigate a method to improve the washability of electromagnetic shielding textile materials and also to study its effect on the related comfort properties of materials.…”