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Photo: INNOVENT e.V.
Photo: INNOVENT e.V.

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Exhibit: ELECTROSPUN FLEECE

Electrospinning is a versatile method for generation of nanofibers with diameters right up to only a few nanometers. Using electrospinning technology various materials like synthetic polymers, biopolymers, polymer blends as well as composites can be transformed into nano and microfibers showing different surface morphologies. Applying both static or rotating collectors and special nozzle setups enables preparing of non-woven fleeces containing one and more, coaxial or aligned fibers. In addition several substances can be incorporated into the fibers during electrospinning process.

Research at INNOVENT is focused on electrospun materials for applications in medicine, medical technology and also in technical aeras. At INNOVENT electrospinning can be carried out on self-built apparatuses and advanced commercial electrospinning systems equipped with air conditioning, rotating units and computerized numerical control (CNC). Based on this technical equipment different procedures and methods can be applied to generate electrospun materials from polymer solutions and melts. Wide experience and know how allow the preparation of electrospun materials for highly diverse applications. Materials used are polymers of own chemical syntheses, commercial polymers and biopolymers and derivatives thereof, for example polyesters, polyamides, silicones perfluoroelastomeres (shown sample), polysaccharides and glycosaminoglycanes.

Regarding to the specific application, e.g. active agents, dyes, nanoparticles, catalysts or photoactive substances were already incorporated to functionalize the electrospun material. Combination of different polymers leads to electrospun fleeces made of more than one fibre, blends and coaxial fibers with specific profile of properties. Also electrospun fleeces with aligned fibers and total size of about 500 cm2 can be prepared.Electrospun fleeces can also be deposited on surfaces of different materials like polymers, textiles, metals, glass and wood.

We appreciate your interest in electrospinning and we are looking forward to your inquiry.

Literature:

M. Klinger-Strobel, S. Gläser, O. Makarewicz, R. Wyrwa et al.: Bactericidal effect of photoresponsive carbon monoxid releasing non-woven against Staphylococcus aureus biofilms. Antimicrob Agents Chemother. 2016; 60(7): 4037-46. doi: 10.1128/AAC.00703-16.

D. Schkarpetkin, M. Reise, R. Wyrwa, A. Völpel et al.: Development of novel electrospun dual-drug fiber mats loaded with a combination of ampicillin and metronidazole. Dent Mater. 2016; 32(8): 951-60. doi:
10.1016/j.dental.2016.05.002.

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