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Producing and properties of the polylactide-alumina nanocomposite fibres

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Electro-spinning is a very promising and very interesting process of fibre production. This technique allows us to produce fibres of a diameter ranging from few na nometers to 1 mm [1÷5]. Experiments have showed that almost every polymer can be made into fibres by electro-spinning. Electro-spun fibre can be applied in an aerosol filtration but it can also be used as a drug carrier or bandage. First publications about electro-spinning for fibre production were published by Petrianov [6]. Other current applications include medical applications of electro-spun fibres as wound dressings. A portable device for fibres electro-spinning can be applied directly on the wound and produce a permeable wound dressing, applicable especially in the case of vast burns [7]. Electro-spun fibres, even if they are very fine, can be easily collected, if compared to other methods. The method for electro-spinning fibres collection is showed in Figure 1. Polylactide (PLA) is polyester produced in the lactide ring-opening polymerization process. Polylactide is the most important plastic material that can be derived from renewable resources. It also has an omnipresent status in the biomedical field, because of ability to decompose over a period of time [8]. In case of materials that can be decomposed in human organism, it is crucial to use filler, which will serve as a scaffold for human tissue after polylactide decomposition. Among all inert inorganic fill[...]

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