Journal
SENSORS AND ACTUATORS A-PHYSICAL
Volume 187, Issue -, Pages 1-9Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.sna.2012.08.004
Keywords
Wool; Citric acid; Reflectance spectra; Electromagnetic reflection
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Nano-ZrO2 particles were stabilized on wool surface using citric acid (CA) as a crosslinking agent and sodium hypophosphite (SHP) as a catalyst under UV irradiation. The influence of the amount of nano-ZrO2 on the performance of wool fiber was investigated by the use of Fourier transform infrared spectrophotometer (FTIR), horizontal flammability apparatus (HFA), scanning electron microscope (SEM), water contact angle tester (WCA), reflectance spectrophotometer (RS) and electromagnetic transition instrument (ETI). The possible interactions between nano-zirconia particles, cross-linking agent and wool free radicals were elucidated by the FUR spectroscopy. Results indicated that the stabilized nano-zirconia enhances the flame retardancy and electromagnetic reflection of wool. (C) 2012 Elsevier B.V. All rights reserved.
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