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Performance textiles with versatile protective surface and well-preserved comfort are highly demanded but hard to achieve due to the challenge in developing functionalized surface without affecting the porous structure of textiles. Incorporation of nanofibrous materials into textiles has shown its potential but a combination mechanism between the textile substrate and nanocomponents is needed to balance...
Simple and facile fabrication techniques to load conductive components onto textiles for wearable applications are highly demanded. In this work, highly conductive cotton fabrics were fabricated by dip-coating of single-walled carbon nanotubes (CNTs) after polydopamine (PDA) templating. The coated fabrics were characterized by scanning electron microscopy, X-ray photoelectron spectroscopy and energy...
Highly efficient and reusable photocatalysts that enable photodegradation of pollutants under visible light is the key in waste water treatment with impacts on environment and sustainable development. In this article, we report the preparation and application of a novel core–shell photocatalyst of bismuth vanadate@polydopamine (BiVO4@PDA). The optical absorption property and microstructure of the...
A simple but effective method of developing multifunctional wearable cotton fabrics was achieved via screen printing of carbon nanotube (CNT) ink on one side of a weft knitted cotton fabrics. Scanning electron microscopy was employed to investigate the morphology of the CNT/Cotton Composite fabric (CCCF). The deposition of conductive CNT paste has brought electric conductivity (50.75 Ω/sq) to CCCF...
Cellulosic fibers are widely used in biocomposites, paper and paperboard products, and other fiber-based materials. The properties of fiber-based materials are significantly affected by lignin characteristics, especially the lignin distribution in cellulosic fiber cell walls. In this study, chemical (sodium chlorite) and biological (laccase/mediator system) techniques were used to control three fiber...
Depositing anisotropic noble metal nanoparticles with high uniformity and yield on flexible substrates is the determining factor for surface enhanced Raman spectroscopy (SERS) detection. In this work, flexible, durable and sensitive SERS substrates were fabricated by in situ reduction of Ag nanoparticles on polydopamine templated cotton fabrics (CF) as catalytic hotspots to enhance the following deposition...
A nanofibrous polyurethane coating was achieved by direct electrospinning of nanofibers onto the surface of padded fabrics followed by functionalisation with a water/oil repellent. As a comparison, a conventional knife method was also applied to coat the polyurethane onto the padded cotton fabrics. The obtained coated fabrics were examined by SEM, FTIR, and for thickness, water contact angle and air...
Oil/water separation is highly desired due to increasing industrial oily wastewater and frequent oil spill accidents. Here, superhydrophobic/superoleophilic paper was successfully fabricated by the combination of layer-by-layer (LBL) deposition of chitosan (CS) and hexadecyltrimethoxysilane (HMTS)-g-TiO2 on paper surface and subsequent heat treatment. The formation of CS/HTMS-g-TiO2 multilayers on...
Lightweight bio-based foams from renewable cellulose nanofibers (CNF) and phosphorus-hybridized graphene nanosheets (PGN) were prepared by means of a simple freeze-drying process. By comparison, the CNF–Graphite, CNF–chemically reduced graphene nanosheets (CRG), CNF–red phosphorus (RP) composite foams were also fabricated. The CNF–PGN composite foam showed porous structures and the PGNs were uniformly...
In this study, we finished cotton fabrics with polyethylenimine (PEI)/melamine and phytic acid (PA) by layer-by-layer assembly to enhance their flame retardant properties. Subsequently, the flame retardant treated cotton fabrics were impregnated with a diluted solution of poly(dimethylsiloxane) (PDMS) for improving water repellent behavior. The morphology and chemical composition of un-treated and...
In this work, titanium dioxide (TiO2) nanoparticles were immobilized on the surface of cotton fabrics by in situ reduction on polydopamine (PDA) templates. Evidenced by the results of scanning electron microscopy/energy-dispersive X-ray analysis (SEM–EDX), Fourier transform infrared and X-ray photoelectron spectroscopy (XPS), PDA films were successfully formed on the surface of cotton fabrics as the...
Surface functionalization of textiles is crucial in developing protective clothing that protects wearers from potential hazards of liquid, chemical and biological contamination. This study aims to explore chemical and water protective surface on cotton fabric by pad-knife-pad coating of waterborne polyurethane (WPU), polydimethylsiloxane (PDMS) and trimethylated silica (TMS). The chemical structure...
In this article, a new method based on a generalized method of cells and laminate analogy approach was used to predict the elastic properties of natural fibers. The elastic properties of cellulose crystals and amorphous cellulose were adopted to calculate the effective properties of microfibrils. A ten-layer antisymmetrical laminated structure was used to predict the effective properties of cell walls...
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