Layer-by-layer assembly of silica-based flame retardant thin film on PET fabric
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A novel method to improve flame retardant properties of textile fabric using multilayered thin films was evaluated. In this work, PET fabrics were coated with silica nanoparticles using layer-by-layer assembly. Five bilayers of positively and negatively charged colloidal silica (<10 nm average thickness) increased time to ignition and decreased heat release rate peak of PET fabric by 45% and 20%, respectively. In vertical burn test, this same nanocoating dramatically reduced burn time and eliminated melt dripping. This study demonstrates the ability to impart flame retardant behavior using a water-based, environmentally-friendly protective coating. © 2011 Elsevier Ltd. All rights reserved.
author list (cited authors)
Carosio, F., Laufer, G., Alongi, J., Camino, G., & Grunlan, J. C.