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The article presents the results of a study of the influence of various nanomaterials (carbon nanotubes, bismuth oxide, silicon dioxide) on the performance characteristics of AC-182 and PF-115 enamels, widely used for painting metal surfaces of building structures and equipment. Samples based on the selected enamels, without the addition of nanomaterials, demonstrate a general tendency to reduce the physical and mechanical characteristics during the aging of the coatings (the properties of the coatings decrease by 1.5-3 times). The introduction of nanomaterials helps to increase the adhesive strength and resistance to deformation effects, antistatic properties of the coatings up to two or more times. Moreover, the performance qualities of the coatings are maintained at a high level for a long time, which was shown by the results of thermal aging of the coatings. The greatest stability is demonstrated by samples with the addition of carbon nanotubes to the AC-182 paint and varnish material: the coatings retain their antistatic and electrically conductive qualities, which characterizes the increased durability of the coatings under operating conditions, providing reliable protection of metal surfaces.
metal surfaces, paints and varnishes, protective coatings, nanomaterials, nanostructured coatings, carbon nanotubes, nanoadditives.
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