#Research & Development

2021-11-18

ITA PhD student Kai-Chieh Kuo was awarded Best Master’s Thesis Award of Walter Reiners-Stiftung (Foundation)

Kai-Chieh Kuo, PhD student at the Institut für Textiltechnik (ITA) of RWTH Aachen University, was awarded the German Textile Mechanical Engineering 2021 Best Master's Thesis Award for his master's thesis entitled "Modification of the tube weaving process of fine yarns for the production of woven ultra-low profile stent grafts". The prize is endowed with 3,500€. Peter D. Dornier, Chairman of the Board of the Walter Reiners-Stiftung (Foundation), virtually presented the award on the occasion of the ADD International Textile Conference on 9 November 2021.

Significant advance in aortic prostheses through high-density, thin-walled tubular woven fabric

Minimally invasive endovascular aortic repair (EVAR) with textile stent-graft systems is nowadays a clinically established therapy procedure for the treatment of abdominal aortic aneurysms (AAA) – pathological bulges of the aorta. Due to the thick profile of the folded stent graft systems, there is currently a high risk of injuring narrowed or highly angulated access vessels from the inside during implantation. Stent graft systems with smaller profiles could provide an improvement, which could overcome complicated access routes through a lower bending stiffness. One possible approach for reducing the system profiles is the use of thin-walled tubular woven fabrics made of ultrafine multifilament yarns (?20 dtex) as graft material.

Caption: The 2021 winners (from top left to right): Dr Martin Hengstermann, Irina Kuznik, Kai-Chieh Kuo. - Image source: VDMA

Up to now, it has not been possible to process the fine yarns with the required high thread density (>200 threads/cm) and the available weaving technology in order to guarantee sufficient tightness against blood.

In his master's thesis, Kai-Chieh Kuo made high-density tubular weaving of ultra-fine filament yarns possible for the first time by means of suitable modifications to a shuttle loom as well as adaptations in the weaving preparation. In particular, he developed a new innovative reed technology that reduces warp thread friction during the shedding process and thus improves the process stability of the dense tube weaving process of fine yarns.

With the help of the process modification, it was then possible to produce high-density, thin-walled tubular woven fabrics, which were positively evaluated with regard to their suitability for a stent graft. Above all the potential of these tubular fabrics lies in their extremely thin-walled fabric profile, which seals well against blood. By using these new types of tubular fabrics as graft material for stent grafts, the system profile of the folded stent graft system can be reduced without having to compromise the blood tightness of the implant. The technology developed by Mr Kuo is not only applicable to stent graft systems, but also offers great possibilities for use in all other endovascular implants such as trans catheter heart valves, covered stents and small-lumen vascular prostheses.

Through its Walter Reiners-Stiftung (Foundation), the VDMA Textile Machinery Association is actively involved in promoting young engineers. Every year, the Foundation awards prizes for the best dissertation, diploma or master's thesis and the creativity prize for the cleverest student research project. In 2020 and 2018, ITA graduates have already been awarded promotional prizes from each category.

ITA postdoc Dr Leonie Beek is revolutionising oil filtration with a bionic textile

On various biological surfaces, oil is adsorbed from water surfaces and transported along the leaf. In her dissertation, ITA Postdoc Dr Leonie Beek transferred this effect to a technical textile using her Bionic Oil Absorber (BOA), which can remove up to 4 litres of diesel per hour from water at technological readiness level 4. For this development, Dr Beek was awarded the Paul Schlack Prize 2025 for her dissertation ‘Bionic textiles for oil-water separation modelled on superhydrophobic biological surfaces’ on 10 September 2025. The award ceremony took place during the opening event of the Dornbirn GFC Global Fiber Congress in Austria.

Cooperation between Germany and India (Tamil Nadu) in the field of AI-supported manufacturing, robotics and smart textiles

The Tamil Nadu Industrial Development Corporation (TIDCO) and the Institut für Textiltechnik (ITA) of RWTH Aachen University are planning to cooperate in the future in the field of AI-supported manufacturing, robotics and smart textiles. At the same time, the aim is to promote talent exchange and a sustainable Indian-German partnership.

DigiCafé – Espresso meets Industry 4.0

Drink coffee and learn about Industry 4.0 in a fun way – that's what ITA PhD student Rosario Othen has made possible with his digital espresso machine. Rosario equipped the Quickmill espresso machine with a proportional-integral-derivative (PID) controller, programmable pump, integrated scale and current measurement.

Roshan Paul appointed as Full Professor by invitation at UBI, Portugal

Roshan Paul, Ph.D. (Tech.) was recently honoured with the position of Full Professor (by invitation) Professor Catedrático Convidado by the Rector, Prof. Mário Lino Barata Raposo of University of Beira Interior (UBI), Portugal https://www.ubi.pt/en. This highest position was offered to him in recognition of his outstanding scientific contributions, particularly for pioneering sustainable innovations in textile processing technology.

Closing the Loop in the Textile Industry: Value Creation in the State of Brandenburg

How can the state of Brandenburg benefit from a circular textile industry? This question is addressed in the new policy paper "Closing the loop in the textile industry: Value creation in the state of Brandenburg." Based on the „TexPHB“ feasibility study funded by the Brandenburg Ministry of Climate Protection, it shows how textile waste can be integrated into new value chains.

Better, faster, bio-based: Functional new Plastic alternatives

How can new bio-based and biohybrid materials with improved features be developed faster? Six Fraunhofer institutes are jointly exploring this question in the SUBI²MA flagship project, using an innovative bio-based polyamide developed by Fraunhofer researchers as a model. Its specific properties make it a promising alternative to fossil-based plastics.

A smarter way to verified Chemical Compliance

Hohenstein and GoBlu Drive Innovation in Sustainable Supply Chain Management As regulatory demands, customer expectations, and sustainability goals continue to grow, the ability to manage chemical compliance and data across complex supply chains has become critical. Hohenstein and The BHive® by GoBlu are initiating a strategic partnership to enhance chemical management in the textile sector. The collaboration delivers more than just a service – it provides an integrated, future-ready solution for brands, manufacturers and suppliers seeking trusted chemical management and credible sustainability.

Rieter reports stable order backlog and strategic progress – outlook for 2025 adjusted

In its Investor Update 2025, Rieter announced an order intake of CHF 203.9 million in the third quarter and CHF 559.3 million after nine months, reflecting a continued cautious investment climate in the textile machinery sector. Sales totaled CHF 121.5 million in the third quarter and CHF 457.7 million for the first nine months of the year, while the order backlog stood at around CHF 590 million as of September 30, 2025.