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A Novel Two-Step Method for Fabricating Silver Plating Cotton Fabrics

机译:一种制造镀银棉织物的新型两步方法

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摘要

A novel two-step method was presented for fabricating silver plating cotton fabrics (SPCFs) with high electrical conductivity and excellent washing fastness. First, polydopamine (PDA) film was coated on the surface of cotton fabrics by in situ polymerization of dopamine, the silver ions in silver nitrate solution were reduced by the catechol groups of polydopamine, and silver nanoparticles were combined with polydopamine by covalent bond on the surface of cotton fabrics. Second, silver ions were reduced by glucose, and silver plating was coated on the surface. Subsequently, the properties of SPCFs were characterized by field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS) and thermogravimetric analysis (TGA), and so forth. With the increasing of silver-ammonia solution concentration or dopamine concentration, the surface resistivity of SPCFs decreases and gradually stabilized. The surface resistivity of the SPCFs can reach 0.12±0.02 Ω, and electromagnetic shielding effectiveness (ESE) of the SPCFs can reach 58.5±4.5 dB. Conductive fabrics have wide application prospect in many of fields, such as antibacterial, intelligent textiles, smart garments, electromagnetic shielding, and flexible sensors.
机译:提出了一种新的两步方法,用于制造具有高导电性和优异的洗涤牢度的镀银棉织物(SPCF)。首先,通过原位聚合在多巴胺的聚合上涂覆多碳胺(PDA)膜,通过多碳胺的儿茶酚基团的银离子在硝酸银离子中减少,并通过共价键将银纳米颗粒与多碳胺合并棉织物表面。其次,通过葡萄糖减少银离子,并且涂覆银电镀在表面上。随后,通过现场发射扫描电子显微镜(FESEM),X射线光电子能谱(XPS)和热重分析(TGA)等特征是SPCF的性质。随着银氨溶液浓度或多巴胺浓度的增加,SPCFs的表面电阻率降低并逐渐稳定。 SPCFS的表面电阻率可达到0.12±0.02Ω,SPCF的电磁屏蔽效果(ESE)可达到58.5±4.5 dB。导电织物在许多领域具有广泛的应用前景,例如抗菌,智能纺织品,智能服装,电磁屏蔽和柔性传感器。

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