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This paper investigates the properties of epoxy based coatings modified with antimicrobial metal nano- and microparticles. Surface modifications have been applied to geopolymer materials in order to improve their properties. Samples of modified epoxy coating with 1% of copper or silver nano- or microparticles were prepared, applied on geopolymer samples and their tribological properties were investigated by linear reciprocating tribological test and drop test to measure change in wear resistance and hydrophobicity. Properties of coatings on geopolymer samples treated with cold, atmospheric plasma were also investigated to determine its effect on adhesion between epoxides and geopolymer, as well as other properties of the coating, as plasma may be used to increase adhesion of various coatings, thin layers and other surface modifications.
Keywords: Geopolymer, epoxy coating, wear resistance, microparticles, nanoparticles, hydrophobicity, metal© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.