Fraunhofer IGB
Feasibility of a bio-based circular economy
The researchers have a wide variety of applications in mind: Proteins produced from rapeseed extraction meal, for example, serve as oxygen barrier layers on food packaging. Protein-based nanofiber materials from various raw materials, such as kidney beans and rapeseed, are used to develop filter materials, coating agents, or wound dressing materials, and nanofiber nonwovens are spun from rapeseed protein.
Protein-based materials with water-repellent properties are also being developed. In the future, they could replace halogenated hydrocarbons in the finishing of functional textiles. In combination with polyglucosamine from chitin, which comes from the shells and carapaces of crabs, shrimps, and prawns, the Fraunhofer researchers were able to demonstrate that functional layers with both water-repellent and water-vapor-permeable properties can be produced with bio-based and biodegradable materials.
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