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#Additive Manufacturing

Effective shoe manufacturing with 3D printing

Shoes can be made from only two parts using 3D printing – the sole and the uppers. To produce both parts, Covestro has developed a thermoplastic polyurethane (TPU) so that the shoe can be completely recycled at the end of its useful life. (c) 2019 Covestro
The manufacture of a shoe requires a multitude of work steps, some of which are carried out by hand. This makes production time-consuming and expensive. In the finished product, various materials are sewn together and glued together, so that it is virtually impossible to recycle them by type at the end of their useful life.

Using 3D printing, shoes could be made from only two parts – upper and sole. Covestro has developed a material that enables automated production at lower cost and complete recyclability of the finished shoe. At the Formnext trade fair from 19 to 22 November 2019 in Frankfurt am Main, Germany, the company will be presenting these and other developments of its additive manufacturing programme at Booth E11 in Hall 12.1.

A powder and a filament, both based on thermoplastic polyurethane (TPU), proved to be the material of choice for meeting all the above requirements. The plastic offers high rebound and abrasion resistance and is therefore ideally suited for the production of both shoe parts.

In addition, the shoe can later be recycled in a single step, including the polyurethane adhesive used for production – an important milestone towards recycling. Old shoes are thus turned into filaments for new shoes.


More News from Covestro AG

#Techtextil 2026

Covestro to exhibit solutions for a more sustainable and productive textile industry at Techtextil 2026

Covestro will present a broad portfolio of material innovations for textile coatings, adhesive films and thermoplastic polyurethanes (TPUs) at Techtextil 2026 (Hall 11.0, Booth C79). The exhibits will demonstrate how advanced solutions can enhance durability, recyclability and manufacturing efficiency across applications such as automotive, infrastructure, protective apparel and sportswear. A particular focus will be on more sustainable coating technologies, including antimicrobial systems based on INSQIN® in combination with AGXX from Heraeus Precious Metals, as well as the integration of Pontacol® thermoplastic adhesive films into Covestro’s offering.

#Technical Textiles

Covestro showcases monomaterial concept in autonomous SUE People Mover

UE | STUDIOS has unveiled the fully autonomous electric minibus “Self-driving Urban E-Shuttle” (SUE), placing strong emphasis on sustainable material design. Developed within a project funded by the Federal Ministry for Economic Affairs and Energy (BMWE) and the European Union, the vehicle will begin public road testing this year. At the core of the concept is the consistent use of recyclable monomaterials to improve circularity at end of life.

#Textile chemistry

Covestro and Heraeus Precious Metals collaborate to enable safer, more sustainable antimicrobial textile coatings

Laboratory tests reveal that AGXX antimicrobial surface technology from Heraeus Precious Metals is fully compatible with Impranil® PU dispersions which are part of the waterborne INSQIN® textile coating technology from Covestro, paving the way for more sustainable antimicrobial textile coatings. This discovery comes at a key moment for the textile coatings industry. As the sharing economy continues to grow, more people are coming into regular contact with high-use surfaces, creating ideal conditions for bacteria, viruses, and other microorganisms to thrive.

#Textile chemistry

Covestro celebrates decade of innovation and sustainable growth

Covestro celebrates its 10-year anniversary today. Since its carve-out from Bayer in 2015, the company has developed into a global leader in high-performance polymer materials and a pioneer in circular economy solutions. With a strong focus on innovation and sustainability, Covestro’s materials are now embedded in countless applications worldwide – from mobility and construction to electronics, healthcare, and consumer goods.

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#Techtextil 2026

AI, Start-ups, Research: Techtextil and Texprocess bring together players in the textile industry

From start-ups to universities and research institutes: at Techtextil and Texprocess, the world’s leading innovation trade fairs in Frankfurt am Main, exhibitors present future-oriented concepts for the global textile industry. With the international Campus & Research area, a strong participation from start-ups and the latest AI applications for textile processing, both trade fairs showcase current developments in the textile industry. By bringing together innovation, research and application, they enable new partnerships across the textile value chain.

#Techtextil 2026

IVGT joint stand brings innovation and networking to Techtextil 2026

At Techtextil 2026 and the parallel Texprocess 2026, key transformation topics such as artificial intelligence, digitalisation, sustainability, recycling and the circular economy will be reflected across the show. Against this backdrop, the IVGT, together with 16 member companies, will present its joint stand in Hall 12.1 (Stand D62) as a platform for exchange and networking.

#Man-Made Fibers

Indorama Ventures supports Southeast Asia’s textile customers with reliable regional supply and global innovative portfolio

Indorama Ventures, one of the leading global polyester fiber and filament yarn suppliers globally, will participate in Indo Intertex 2026 in Jakarta this April, making its diverse global portfolio available to apparel, home textile, and hygiene customers across Southeast Asia.

#Raw Materials

New study shows low environmental impact by Cotton made in Africa Organic Cotton from Tanzania

Today, the Aid by Trade Foundation (AbTF) is announcing the results of a comprehensive life-cycle analysis (LCA) for cotton produced in Tanzania under the Cotton made in Africa Organic (CmiA Organic) standard. The study emphasises the small ecological footprint of CmiA Organic verified cotton. This can largely be traced back to the absence of synthetic pesticides, artificial fertilisers, and artificial irrigation. Consequently, CmiA Organic cotton can help the textile industry meet regulatory requirements as well as science-based targets. The results also show that the consequences of climate change threaten the livelihoods of these cotton farmers, even though the type of agriculture they practise barely contributes to climate change.

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