[1] Faculty of Civil Engineering, Technical University of Cluj-Napoca, 28 Memorandumului, Cluj-Napoca,400114, Romania
[2] Department of Polymer Composites, Raluca Ripan Institute for Research in Chemistry, Babeș-Bolyai University, 30 Fantanele Street, Cluj-Napoca,400294, Romania
[3] National Institute for Research and Development of Isotopic and Molecular Technologies, 65-103 Donath Street, Cluj-Napoca,400293, Romania
[4] Faculty of Chemistry and Chemical Engineering, Babeș-Bolyai University, 11 Arany Janos Street, Cluj-Napoca,400028, Romania