Tuning electrical and thermal conductivity of polyurethane-based insulating systems by hallosite nanotube dopingMiloš Kováč, Štefan Hardoň, Jozef Kúdelčík, Marián Janek and Vitalii BondarievEPJ Web Conf., 372 (2026) 04002DOI: https://doi.org/10.1051/epjconf/202637204002