Effect of Lignin and CNTs on the properties of melt-spun polymeric fibers Panagiotis Goulis, Ioannis A. Kartsonakis, Konstantinos Mpalias and Costas A. Charitidis MATEC Web Conf., 188 (2018) 01026 Published online: 07 August 2018 DOI: 10.1051/matecconf/201818801026