1. University of Applied Sciences Esslingen, Kanalstrasse
33, 73728 Esslingen, Germany
2. R&D Center, Solvay Specialty Polymers, Viale Lombardia 20, 20021 Bollate, Milan, Italy
3. Institute
of Engineering Thermodynamics, German Aerospace Center, Pfaffenwaldring
38-40, 70569 Stuttgart, Germany