1. Laboratory of Plastics and Rubber Technology; Budapest University of Technology and Economics; Műegyetem Rakpart 3 Budapest H-1111 Hungary
2. Institute of Materials Science and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences; Magyar Tudósok Körútja 2 Budapest H-1117 Hungary
3. Borealis Polyolefine GmbH; St.-Peter-Strasse 25 Linz a-4021 Austria