1. Department of Chemical Engineering; Kocaeli University; İzmit Kocaeli Turkey
2. Department of Polymer Science & Technology; Kocaeli University; İzmit Kocaeli Turkey
3. Polymer Chemistry Division; Department of Chemistry; Hacettepe University; Ankara Turkey
4. Polymer Science and Technology Division; Institute of Science; Hacettepe University; Ankara Turkey
5. Tekno Rubber Company; İzmit Kocaeli Turkey