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Cellulose nanofibers (CNFs) were modified with 2 bilayers coating composed of polyethlenimine (PEI), melamine and phytic acid using a layer-by-layer self-assembly technique. The (PEI + melamine/phytic acid)2 based coating was successfully deposited on the surface of modified cellulose nanofibers (MCNFs). Herein, the CNF referred to the carbon source and the phytic acid was chosen as the acid source...
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...
A series of boron–nitrogen polymers (PEIPAs) were synthesized to provide a green alternative for flame retardant finishing on cotton fabrics. An organic boron compound, phenylboronic acid (PA) was successfully bonded to the branched polyethylenimine, which was confirmed by 1H NMR and FTIR analysis. Thermogravimetric analysis showed that the polymer with molar ratio 1:1 of ethylenimine:PA (PEIPA 1:1),...
A flame retardant nanocoating made from chitosan and titanate nanotubes was deposited on the surface of cotton fabric by the layer by layer assembly to improve its flame retardancy. Firstly, the hydrothermal method was used to prepare titanate nanotubes. Then, coated cotton fabrics were prepared by alternately submersing cotton fabrics into chitosan solution and titanate nanotube suspension. The structure...
Polyelectrolytes multilayer (PEM) films based on fully biobased polysaccharides, chitosan and phosphorylated cellulose (PCL) were deposited on the surface of cotton fabric by the layer-by-layer assembly method. Altering the concentration of PCL could modify the final loading on the surface of cotton fabrics. A higher PCL concentration (2 wt%) could result in more loading. Attenuated total reflection...
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