Roll-to-roll (R2R) processes, in which, for example, films, textiles, flat membranes, metal foils or even ultra-thin glass are functionalized, play an important role in numerous industrial processes.    In the R2RNet network, founded on June 10, 2020, 21 European partners from industry, research organizations and universities are pooling their expertise in the continuous functionalization of surfaces in the roll-to-roll process.    The aim is to promote the exchange of experience and to ...