Nano modified coatings with high durability, for the protection of various supports from the outside and aggressive environments

摘要

In this paper we present the anticorrosion performance of some modified nanocoatings used for a long life time protection of metal. The coatings have anticorrosion properties due to the presence of nanosilicon carbide in their composition. The multifunctional composite has the ability to form a nanomodified polymer matrix which generates in the mono component polyurethane binder, nano-structured configuration. This gives the composite material properties, feature and superior performance impossible to achieve at a micro scale. The structure and morphology of smart coatings were determined by infrared spectroscopy (FT-IR), and Scanning Tunneling Microscopy STM. The corrosion resistance of the modified coatings was measured by corrosion testing apparatus for salt spray. The introduction of 2%-3% nanosilicon carbide produces an optimum improvement in the corrosion resistance.