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TU Dresden präsentiert textile 3D-gestrickte Mund-Nasen-Masken © Mirko Krziwon_ITM/TU Dresden
TU Dresden präsentiert textile 3D-gestrickte Mund-Nasen-Masken
21.04.2020

TU Dresden präsentiert textile 3D-gestrickte Mund-Nasen-Masken

  • Anforderungs- und passformgerechte textile 3D-gestrickte Mund-Nasen-Masken – Weitere Initiativen am ITM der TU Dresden

Seit dem 20. April 2020 gilt für das Bundesland Sachsen eine Maskenpflicht beim Einkaufen und im öffentlichen Personen- und Nahverkehr. Eine entsprechende Verordnung wurde hierfür am 17. April 2020 vom Freistaat Sachsen bekannt gegeben.

Aufgrund der neuerlassenen Allgemeinverfügung und der damit einhergehenden, notwendi-gen Schutzmaßnahmen zur Verringerung der Ausbreitung von COVID-19 wird das Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik (ITM) der TU Dresden nach der am 20. April 2020 erfolgten Wiederaufnahme des laborbasierten Forschungsbetriebes die bereits in der ITM-Pressemitteilung vom 31. März 2020 vorgestellte textile, 3D-gestrickte Mund-Nasen-Maske intensiv weiterentwickeln. Das ITM möchte damit einen wichtigen aktiven Beitrag zum Schutz der Gesundheit der Bevölkerung leisten.

  • Anforderungs- und passformgerechte textile 3D-gestrickte Mund-Nasen-Masken – Weitere Initiativen am ITM der TU Dresden

Seit dem 20. April 2020 gilt für das Bundesland Sachsen eine Maskenpflicht beim Einkaufen und im öffentlichen Personen- und Nahverkehr. Eine entsprechende Verordnung wurde hierfür am 17. April 2020 vom Freistaat Sachsen bekannt gegeben.

Aufgrund der neuerlassenen Allgemeinverfügung und der damit einhergehenden, notwendi-gen Schutzmaßnahmen zur Verringerung der Ausbreitung von COVID-19 wird das Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik (ITM) der TU Dresden nach der am 20. April 2020 erfolgten Wiederaufnahme des laborbasierten Forschungsbetriebes die bereits in der ITM-Pressemitteilung vom 31. März 2020 vorgestellte textile, 3D-gestrickte Mund-Nasen-Maske intensiv weiterentwickeln. Das ITM möchte damit einen wichtigen aktiven Beitrag zum Schutz der Gesundheit der Bevölkerung leisten.

Hierfür sind in den letzten Tagen die Kooperationen mit langjährigen Netzwerkpartnern des ITM wei-ter intensiviert worden. Gemeinsam mit der renommierten Textilmaschinenfirma H. Stoll AG & Co. KG aus Reutlingen ist es gelungen, mit dem am ITM erarbeiteten technologischen Know-how auf einer am ITM der TU Dresden installierten Flachstrickmaschine Stoll ADF 530-32 BW weitere Vari-anten neuartiger, textiler 3D-gestrickter Mund-Nasen-Masken erfolgreich umzusetzen.

Am ITM können somit Mund-Nasen-Masken-Varianten mit unterschiedlichsten Materialkombinatio-nen auf Flachstrickmaschinen von zwei Maschinenherstellern, die sich alle als waschbarer und damit wiederverwendbarer Mund-Nasen-Schutz eignen, anforderungs- und passformgerecht gefertigt wer-den. Je nach Materialzusammensetzung sind die Mehrwegmasken für Kochwäsche mit handelsübli-chen Waschmitteln bzw. bei 60° mit Desinfektionswaschmittel geeignet. Bei den Masken kann wahl-weise eine Tasche direkt im Fertigungsprozess integriert werden, in die temporär noch zusätzlich Fil-terstrukturen eingelegt werden können. Die gestrickten Mund-Nasen-Masken sind – intuitiv, schnell, unkompliziert in der Handhabung – auch für Brillenträger geeignet und erfordern beim Anlegen keine Hilfe einer weiteren Person. Mittels weiterer anforderungsgerechter Materialkombinationen können auch spezifische Eigenschaften, wie z. B. Atmungsaktivität, Tragekomfort und Hautverträglichkeit, ge-zielt eingestellt und diesbezüglich im Rahmen erster freiwilliger Versuchsreihen mit Mitarbeitern des ITM intensiv getestet werden.

Als eines der weltweit führenden Textilforschungsinstitute wird das ITM mit der lösungssystemati-schen Entwicklung anforderungsgerechter Mund-Nasen-Masken einen wichtigen gesellschaftlichen und nachhaltigen Beitrag für das Gemeinwohl der Bevölkerung leisten. Das Team des ITM, welches maßgeblich bei der Maskenentwicklung involviert ist, freut sich daher auf weitere Anfragen von Her-stellern und Produzenten, um mit dem erarbeiteten Fachwissen bzw. Erfahrungen und technologi-schem Know-how insbesondere die KMU der deutschen Textilindustrie beratend zu unterstützen und ggf. gemeinsame Allianzen/Kooperationen zu schmieden.

Bereits jetzt schon steht das ITM mit mehreren Industriepartnern in Kontakt, um die Technologie zur Fertigung von textilen 3D-gestrickten Masken schnell in die Serienproduktion zu überführen und dar-über hinaus diese anforderungsgerechten textilen Produkte auch zeitnah als nach den geltenden Standards bzw. Richtlinien zugelassene Schutzmasken anzubieten.

Für die zielführenden Untersuchungen mit variablen Materialkombinationen zur weiteren Op-timierung der unterschiedlichen Maskenvarianten wurden dem ITM bereits verschiedenste Versuchsmaterialien kostenfrei zur Verfügung gestellt. Das ITM bedankt sich hierfür bei folgenden Firmen: EMS-CHEMIE AG, Gebrüder Otto GmbH & Co. KG, TWD Fibres GmbH und W. Zimmermann GmbH & Co. KG.
 

Source:

Technische Universität Dresden
Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik (ITM)
 

Aachen Central Bus Station before the introduction of green.fACade (c) Institut für Textiltechnik
Aachen Central Bus Station before the introduction of green.fACade
03.08.2018

Aachen textile facade reduces nitrogen oxide pollution and urban heat

Aachen researchers have developed the adaptive textile facade green.fACade, which was presented on 2nd August 2018 in the Aachen Faculty of Architecture of RWTH Aachen University, Germany. green.fACade is installed in front of a building like a second skin and can permanently reduce nitrogen oxide pollution in cities.

The researchers achieve the reduction of harmful nitrogen oxides (NO and NO2) by coating the facade with titanium dioxide. Titanium dioxide acts as a photo catalyst and enables the oxidation of nitrogen oxides to form washable nitrate (NO3-). Since the facade is also greened, it contributes to the conversion of carbon dioxide into oxygen by photosynthesis. In addition, a green facade creates an optical resting point in the cityscape and reduces urban heat through evaporation cooling. The enclosed pictures demonstrate how the introduction of green.fACade can have an effect. Picture 1 shows the Aachen Central Bus Station after, picture 2 before the possible introduction of green.fACade.

Aachen researchers have developed the adaptive textile facade green.fACade, which was presented on 2nd August 2018 in the Aachen Faculty of Architecture of RWTH Aachen University, Germany. green.fACade is installed in front of a building like a second skin and can permanently reduce nitrogen oxide pollution in cities.

The researchers achieve the reduction of harmful nitrogen oxides (NO and NO2) by coating the facade with titanium dioxide. Titanium dioxide acts as a photo catalyst and enables the oxidation of nitrogen oxides to form washable nitrate (NO3-). Since the facade is also greened, it contributes to the conversion of carbon dioxide into oxygen by photosynthesis. In addition, a green facade creates an optical resting point in the cityscape and reduces urban heat through evaporation cooling. The enclosed pictures demonstrate how the introduction of green.fACade can have an effect. Picture 1 shows the Aachen Central Bus Station after, picture 2 before the possible introduction of green.fACade.

green.fACade is part of the innovative research project "adaptive textile facades", which uses the special properties of textiles. Thanks to its design, textiles can let sunlight and air through, thus contributing to a modern, aesthetic building design. A new feature of the research project is that further elements such as the titanium oxide coating or sun protection elements are integrated into the textile facade and placed in front of the existing building facade. The adaptive textile facade acts independently and thus reduces energy consumption through the positive climatic effects on the building facade.

"Adaptive Textile Facade" is part of a current research series with the aim of developing innovative facade constructions that are climate-neutral and increase the comfort of local residents. The research team consists of the three RWTH fields of architecture (Faculty of Architecture, PhD student architect M.Sc. Jan Serode), medicine (University Hospital RWTH Aachen, Clinic for Ophthalmology, Prof. Dr Walter) and textile technology (Institut für Textiltechnik, Prof. Dr Gries) and was able to contribute its expertise in the best possible way.

This summer the research team was supported for the first time by the Munich architectural office Auer Weber, represented by managing director Philipp Auer: "For us architects, developments in the field of textile outer shells are a special challenge. Here, highly developed textile materials and processing methods are combined with the lightness and grace of fabrics. Adaptive textile facade elements will increasingly turn the "building shell" into a "building skin", a system that not only offers weather, heat and sun protection, but is in constant intelligent exchange with its environment".

The great importance of these topics for the public was documented by the presence of Kirsten Roßels, representative of the Department of Economics, Science and Europe of the city of Aachen.  Ms Roßels explains: "As the city of Aachen, we are delighted with the innovative and future-oriented project ideas that are being developed at Aachen University, such as the adaptive textile facade. These developments underline the importance of Aachen as a city of science and I would appreciate it if these and other technologies could also become visible in Aachen in the future".

Prof. Dr Gries from the Institut für Textiltechnik sums up: "As textile researchers, we see a great opportunity to develop concrete solutions for our urban living spaces together with renowned experts from other disciplines. I'm sure we can make the urban climate more pleasant and reduce pollution."

Source:

Institut für Textiltechnik (ITA) at RWTH Aachen University

28.06.2018

COOPERATION BY BOREALIS AND HENKEL PRODUCES PLASTIC BOTTLE AND NOZZLE COMPOSED 100% OF POST-CONSUMER RECYCLED MATERIAL

Packaging solution made of 100% plastic recyclate delivers circular economy proof point
Borealis, a leading provider of innovative solutions in the fields of polyolefins, base chemicals and fertilizers, announces the successful launch of a new packaging solution produced entirely with post-consumer recycled (PCR) material. Developed in close collaboration with the German consumer and industrial goods company Henkel and two additional value chain partners, this truly sustainable packaging solution is further evidence of how mtm plastics GmbH, a member of the Borealis Group, is helping increase the circularity of plastics. The launch has significance for the consumer goods industry because the robustness of this new packaging solution provides further evidence that plastic recyclate is indeed suitable for a variety of demanding packaging applications, in this case a popular adhesive brand marketed by Henkel.

Value chain collaboration yields plastic bottle and nozzle composed of 100% PCR material

Packaging solution made of 100% plastic recyclate delivers circular economy proof point
Borealis, a leading provider of innovative solutions in the fields of polyolefins, base chemicals and fertilizers, announces the successful launch of a new packaging solution produced entirely with post-consumer recycled (PCR) material. Developed in close collaboration with the German consumer and industrial goods company Henkel and two additional value chain partners, this truly sustainable packaging solution is further evidence of how mtm plastics GmbH, a member of the Borealis Group, is helping increase the circularity of plastics. The launch has significance for the consumer goods industry because the robustness of this new packaging solution provides further evidence that plastic recyclate is indeed suitable for a variety of demanding packaging applications, in this case a popular adhesive brand marketed by Henkel.

Value chain collaboration yields plastic bottle and nozzle composed of 100% PCR material
In 2016, Borealis acquired leading German recycler mtm plastics GmbH, which is now a member of the Borealis Group. By leveraging their respective areas of expertise and decades of experience as a virgin polyolefins producer and “upcycler”, respectively, Borealis and mtm plastics are exploring new growth opportunities with joint forces.

A success story originating from this exploration is a recently completed pilot project with Henkel, the global leader for adhesives, sealants and functional coatings. The companies have worked to develop a new packaging solution based on recycled material for the Made-at-Home all-purpose glue bottle and cap, which Henkel is marketing under its well-known Pattex brand.  The aim was to replace the virgin plastic material traditionally used for this packaging with a recyclate-based resin. The resin, however, had to fulfil the diverse material demands for packaging of an adhesive product.

After extensive and joint application development, a new bottle was developed with the proprietary mtm product Purpolen® PE, a high-quality polyethylene regranulate produced by mtm at its facilities in Niedergebra, Germany. Value chain partner KKT Kaller Kunststoff Technik GmbH, a plastics processor also based in Germany, manufactured the bottles. For the three separate components of the adjustable applicator nozzle, which is used for both filigree and wide-area gluing, high-quality Purpolen® PP polypropylene regranulate produced by mtm was identified as the ideal solution. German plastic components manufacturer bomo trendline Technik GmbH produced the applicator nozzles.

The new Pattex Made-at-Home packaging solution successfully passed extensive application tests, including a three-month storage test and other tests of mechanical properties. It was launched on the European market in 2018.

“Our commitment to leadership in sustainability is deeply embedded in our companies´ values,” explained Matthias Schaefer, Project Manager for Global Packaging Engineering at Henkel Adhesive Technologies. “We are at the forefront of the industry when it comes to new sustainability strategies in packaging.  Thus, we identified Pattex Made-at-Home as a candidate for exploring the use of recyclate instead of virgin plastics. This constructive collaboration with our partners proves the viability of 100% PCR material for an adhesive product like Made-at Home. It also underscores our efforts at Henkel to drive leadership in sustainability in the consumer goods sector.”

“As a virgin polyolefins producer, Borealis is thrilled to be among the pioneers in using plastic recyclate in new applications,” says Günter Stephan, Head of Borealis Circular Economy Solutions. “Even though momentum is gaining in the drive to increase the circularity of plastics, we still need to prove without a doubt within the industry that using recyclates – and even 100% PCR – is a suitable and effective option, even for demanding applications. Thanks to this successful value chain cooperation with our partners Henkel, KKT and bomo, we are giving plastics a second life and are thus one step closer to the goal of a more circular economy of plastics.”
 

Source:

Borealis Group