Silke Quester
Broschiertes Buch

On using gliadin for micro- and nanocellular foams

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Bio-derived, fully biodegradable closed-cell micro- and nanocellular foams from gliadin, an abundantly available wheat storage protein, were produced in a newly derived foaming procedure using nitrogen or carbon dioxide as blowing agent. First, dry gliadin powder or gliadin film was plasticized, resulting in a viscoelastic paste that was then subjected to an atmosphere of nitrogen or carbon dioxide in a high-pressure cell. Subsequent tempering, followed by a sudden release of pressure and cooling resulted in closed-cell micro- or nanocellular foams. Depending on the type of blowing agent and t...