In order to improve the electrical conductivity of flexible electronic textiles and explore the influence of layers for multiple components electrical coated layer assembly on fabric property,the nano antimony tin oxide/polypyrrole(ATO@WPU/PPy)bio-component conductive coating was constructed on cotton fabric substrate by dipping-assisted layer-by-layer assembly technique.The microstructure,quality,thickness,permeability,electrical conductivity,flame retardancy and thermal stability of different coated cotton fabrics were tested and compared with nano antimony tin oxide/poly dimethyl diallyl ammonium chloride(ATO@WPU/PDDA)single component conductive coated fabric.The results showed that with the increase of ATO@WPU/PPy assembly layer,the surface coating load of cotton fabrics was increased,and the surface resistance of the bio-component composite conductive coated cotton fabric was decreased,the lowest was 1.4 kΩ/sq,while the surface resistance of the ATO@WPU/PDDA single-component conductive coated fabric with the same assembly layers was 37.3 kΩ/sq.It indicated that the electrical conductivity of the bio-component composite coated cotton fabric was significantly improved.The flame retardancy and thermal stability of ATO@WPU/PPy composite coated cotton fabric were also gradually improved.It is considered that the performance of the prepared cotton fabric with bio-component conductive coating is better than that of the fabric with single-component conductive coating.It has advantages in the development of flexible electronic textile devices.
antimony tin oxidepolypyrrolelayer-by-layer assemblycoated fabricelectrical conductivityflame retardancy
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