Oerlikon to present latest technologies at Techtextil

Technical nonwovens within the construction sector

With systems and equipment for manufacturing substrates for bitumen roofing membranes, for un-derlay-roofing membranes and also for geotextiles, Oerlikon Neumag, one of the leading suppliers of nonwoven technologies, offers the complete spunbond process – from polymer granulate all the way through to rolled goods. “In terms of the system width, our machines are not just able to produce up to five times more material, they also help cut operating costs for energy and maintenance and save on operating staff costs”, explains Dr. Ingo Mählmann, the Oerlikon Neumag nonwovens expert.

He sees a clear trend – particularly within the construction sector – towards the utilization of spunbonds instead of the stable and fiberglass products used to date, also because these nonwovens are –thanks to their single-step production - less expensive to manufacture. “Bitumen roofing and geotex-tiles are perfect examples of this, but this trend fundamentally also applies to many other construction nonwovens, such as those used for reinforcement or drainage.”

Technical spunbonds are predominantly manufactured from polyester. In the manufacturing of Poly-ester, Oerlikon Neumag is able to draw on its comprehensive long-time staple fiber systems produc-tion know-how.

Specialty yarns on trend

The demand for high tenacity special fibers such as aramids, UHMWPE and carbon fibers is steadily growing. At the same time optimization of energy consumption, space requirements and efficiency is of the highest interest.

Winding of viscose yarns, rayon, aramid, polyethylene or similar materials requires a non-standard yarns specialist: here, Oerlikon Barmag’s WinOro winder is the product of choice. Depending on de-sign, the automatic precision take-up head for specialty yarns winds – at a speed of up to 1,000 m/min – baler twine of up to 25,000 denier, PVC-coated multifilament yarn for various industrial ap-plications and also textured artificial turf filaments.