Multi-functional fabric and preparation method and application thereof

Abstract

The invention provides multi-functional fabric and a preparation method and application thereof. A conductive polymer film is deposited on the surface of the fabric through an oxidative chemical vapordeposition method, and a conductive polymer / MXene composite film is constructed on the fiber surface in the fabric through MXene surface modification to form a continuous conductive network, so thatthe fabric is endowed with excellent conductivity, electric heating performance, sensing performance and electrochemical performance. Besides, the MXene can generate active oxygen, so that lipid peroxidation of bacterial cell membranes and damage to proteins or genes in cells are caused, and the finally prepared conductive polymer / MXene modified fabric has excellent antibacterial performance.

Description

technical field [0001] The invention belongs to the field of multifunctional textiles, and in particular relates to a multifunctional fabric and its preparation method and application. Background technique [0002] Fabric-based wearable electronics have attracted much attention due to their potential applications in health monitoring, mobile energy harvesting and storage, wireless communication, etc. The traditional method is usually to embed electronic devices into fabrics to prepare wearable devices. However, it usually has the disadvantages of hard steel, poor flexibility, poor comfort, and poor washability. In order to solve the above problems, the preparation of multifunctional electronic fabrics by combining functional guest materials with fabrics is considered to be an ideal solution. [0003] At present, the preparation of functional fabrics mainly includes: using conductive polymers (polyaniline, polypyrrole, etc.), carbon nanomaterials (carbon nanotubes, graphene,...

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Problems solved by technology

The Chinese patent CN110344248A published on October 18, 2019 modified the cotton fabric with graphene and carbon black, and the prepared fabric has better electrothermal performance; the Chinese patent CN110970236A published on April 7, 2020 uses the in-situ interfacial polymerization method Prepared polypyrrole / cotton fabric supercapacitor electrodes; Chinese patent CN107233074A published on October 10, 2017 prepared continuous nanofiber yarns through conjugate electrospinning technology, and then polymerized and coated a layer of conductive fibers on the surface of the yarns polymer, and weaving the yarn into a fabric by weaving, and preparing a sandwich-structured nanofiber fabric sensor by compounding a gel film with conductive copper wires on the upper and lower surfaces of the fabric; however, the above method has a long process flow , the process is complicated, the electrical conductivity of the fabric is low, and the fabric has a single function

It has been reported in the literature that MXene is used to coat yarns and knit MXene-modified fabric supercapacitors (Materials Today 2020, 34, 17-29). The knitted structure is loose, and it is difficult to obtain electromagnetic shielding performance; the Chinese patent CN109868646A published on June 11, 2019 uses transition metal carbide (MXene) to modify cotton fabrics to prepare electromagnetic shielding fabrics with higher electrical conductivity

However, the electromagnetic shielding performance of the fabric is poor and the function is single

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