Improvement of Water Vapor Permeability in Polypropylene Composite Films by the Synergy of Carbon Nanotubes and β-Nucleating Agents. - Visvini, Glykeria A.; Mathioudakis, Georgios N.; Soto Beobide, Amaia; Piperigkou, Zoi; Giannakas, Aris E.; Messaritakis, Stavros; Sotiriou, Giannis; Voyiatzis, George A. (Polymers (20734360), 2023)