1 | Lublin University of Technology, Faculty of Mechanical Engineering, Department of Polymer Processing; Nadbystrzycka 36, 20-618 Lublin, Poland |
2 | Technical University of Kosice, Faculty of Mechanical Engineering, Department of Technologies and Materials, Masiarska 74, 04001 Kosice, Slovakia |
3 | Lviv Polytechnic National University, Department of Chemical Technology of Plastics, S. Bandera str. 12, 79013 Lviv, Ukraine |