Fraunhofer Institute for Interfacial Engineering and Biotechnology IGBPolymer materials offer convincing advantages such as low costs, good processability and a wide range of possible applications. We work with commercially available polymers as well as with their modifications and, for example, (block-co)polymers produced in-house by means of radical polymerization. Polymer membranes can be further optimized: Tailor-made mixed-matrix membranes can be created by adding particle inserts. For applications under more extreme conditions, for example with regard to temperature, we work with fully ceramic membranes.