Flaking and degradation of polyurethane coatings after 2 years of outdoor exposure in Lhasa |
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| Authors: | Liu FuChun Hao YongSheng Wang ZhenYu Shi HongWei Han EnHou Ke Wei |
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| Institution: | State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
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| Abstract: | The exposure of a high gloss polyurethane aircraft topcoat system with polyurethane intermediate coating and epoxy primer to strong ultraviolet radiation in Lhasa,Tibet was studied by using scanning electron microscopy(SEM) ,atomic force microscopy(AFM) ,attenuated total reflectance Fourier-transform infrared(ATR-FTIR) ,and X-ray photoelectron spectroscopy(XPS) .Micro-flakes were found to form on the topcoat surface after exposure and the size and quantity of the flakes increased with the increase of the ex... |
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| Keywords: | FTIR XPS AFM degradation weathering flake urethane Lhasa |
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