Due to their particularly fine structure, the use of nanofibers offers a better barrier effect against bacteria and viruses than pure nonwovens, which is why they can be of great benefit in combination with nonwovens as a filter material in face masks or as a barrier material in protective suits and are also not sensitive to moisture.
The international CORNET project NanoHyb, which was launched in July 2020, is currently working on the development of hybrid textile structures based on nanofibers. These nanofiber layers are produced by electrospinning and integrated into a sandwich composite between two nonwovens. Various technologies are used to effectively bond the different layers together without adhesives and to achieve particularly strong adhesion and thus reliable filter performance. The international research team from Germany and the Czech Republic, led by the Forschungskuratorium Textil e.V. (FKT), is investigating the possibility of modifying individual surface layers using plasma treatment, as well as joining using laser and ultrasonic welding technology. The R&D results of NanoHyb will subsequently be made available to small and medium-sized enterprises (SMEs).
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