The team members of M.E.G.A. Tamara Tomašegović and Tomislav Hudika are attending NANOSMAT2020 conference. Due to the epidemiologic measures, the conference will be held virtually by presenting the papers as video recordings. Two topics will be presented: Properties of protective PCL paper primers with SiO2 and ZnO nanoparticles for application in offset printing te PCL/TiO2 nanocomposite as a protective film for cardboard packaging.