He wrote his PhD thesis on investigations of the second dielectric virial coefficient and the intermolecular pair potential at Carl Schorlemmer Technical University in Merseburg. Dr. Wohlfarth’s main research focuses on polymer systems. Currently, his areas of research interest include molecular thermodynamics, continuous thermodynamics, phase equilibria in polymer mixtures and solutions, polymers in supercritical fluids, PVT behavior and equations of state, and sorption properties of polymers. He has published approximately 100 original papers as well as various books.