Preparation of environmentally harmless paints based on self-crosslinking acrylate latexes and assessment their industrial coating properties

Abstract

This paper describes the properties of environmentally harmless anticorrosion paints based on newly synthesized water-based polymeric acrylate dispersions and containing magnesium oxide nanoparticles at a concentration of 1.5 % relative to the monomers. An aqueous dispersion obtained by the same procedure, i.e. semi-continuous emulsion polymerisation, but containing no MgO nanoparticles, had served as a reference system when evaluating the effect of the nanoparticles. The paints have been studied with respect to the effects of the new binder and of various environmentally harmless pigments possessing different chemical compositions and particle shapes on the anticorrosion efficiency of the paint film. The paint film’s mechanical and chemical resistance was also evaluated because a high mechanical and chemical resistance of the coating is a prerequisite for high anticorrosion efficiency of the paint system. The results of measurements of the mechanical, chemical as well as corrosion resistance of the latex films have demonstrated better protective properties of the new polymeric dispersions with magnesium nanoparticles compared to the reference system that did not contain any nanoparticles.