(Image: Empa)
Drug-releasing textiles could, for instance, be used to treat skin wounds. Empa researchers are currently developing polymer fibers that can be equipped with drugs. The smart fibers recognize the need for therapy all by themselves and dose the active ingredients with precision and accuracy. For the «Self Care Materials» project, fibers are produced from biodegradable polymers using various processes. «The targeted use of the fiber determines which manufacturing process is best,» explains Empa researcher and project coordinator René Rossi. Delicate, light membranes with a large surface are formed during so-called electrospinning. If robust fibers are required, e.g. for protective clothing, it is better to draw the melted ingredients.
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