1. Duzce University; Department of Polymer Engineering; Faculty of Technology; 81620 Duzce Turkey.
2. Balikesir University; Department of Chemistry; Faculty of Arts and Science; 10145 Balikesir Turkey.
3. Sakarya University; Department of Chemistry; Faculty of Arts and Science; 54187 Sakarya Turkey.
4. Gaziosmanpasa University; Department of Chemistry; Faculty of Arts and Science; 60250 Tokat Turkey.