Effect of antimony doped tin oxide on behaviors of waterborne polyurethane acrylate nanocomposite coatings |
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| Authors: | Xin Wang Yuan Hu Lei Song Hongdian Lu Pin Lv |
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| Affiliation: | a State Key Lab of Fire Science, University of Science and Technology of China, Hefei, Anhui 230026, PR Chinab Suzhou Key Laboratory of Urban Public Safety, Suzhou Institute for Advanced Study, University of Science and Technology of China, Suzhou, Jiangsu 215123, PR Chinac Department of Chemical and Materials Engineering, Key Laboratory of Powder and Energy Materials, Hefei University, Hefei, Anhui, 230022, PR Chinad State Key Laboratory of Environmental Adaptability for Industrial Products, China National Electric Apparatus Research Institute, Guangzhou, 510300, PRChina |
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| Abstract: | A multi-functional waterborne polyurethane acrylate (WPUA) nanocomposite coating was prepared through introducing the acrylate groups into the end of the polyurethane main chains and then modified by antimony doped tin oxide (ATO) nanoparticles by ultrasonic dispersion. Structural and morphological features of coatings were assessed using Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and a 3D measuring laser microscope. Performance of the coatings was evaluated using water resistance studies, thermogravimetric analysis (TGA), dynamic mechanical thermal analysis (DMTA) and mechanical tests such as tensile strength, elongation at break. The data showed that the WPUA/ATO coatings possessed good mechanical properties and thermal stability. The UV-visible-near infrared (UV-VIS-NIR) spectra results suggested that the WPUA/ATO coatings could absorb near infrared radiation so that it would prevent heat transmission and heat diffusion effectively. |
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| Keywords: | Waterborne polyurethane acrylate (WPUA) Antimony doped tin oxide (ATO) Mechanical properties Heat insulation |
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