Morphological, chemical and electrical characterization of a family of commercial nanofiltration polyvinyl alcohol coated polypiperazineamide membranes - Otero-Fernández, A.; Díaz, P.; Otero, J.A.; Ibáñez, R.; Maroto-Valiente, A.; Palacio, L.; Prádanos, P.; Carmona, F.J.; Hernández, A. (European Polymer Journal, 2020)