Fibre production

There is an increasing demand for nonwovens for the production of technical textiles, including filter media, textiles for the clothing industry, hygiene articles, etc.  Synthetic fibres form a large share of the raw materials. In addition to the well-known polyesters, nylon and viscose, which is based on natural resources, are used. Polyurethane fibres are essential parts of elastic textiles. High performance fibres from chemically and thermally resistant polymers, as well as bi- or multi-component fibres, enable new technical applications. In addition to the production of nonwovens, synthetic fibres are used for stabilizing materials, in tyres for example.

To obtain required technical features at minimum material consumption, e.g. for achieving lower flow resistance with low specific weight, the trend is towards finer fibres. Development of micro-fibre or nano-fibre media is made possible by means of sophisticated spinning and melt blown processes. The fine nozzles, which are essential for the production of ultra-fine fibres are prevented from being blocked by particles or gels by melt filter systems and filters for spinning solutions.

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