[pageLogInLogOut]

#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.

More News on Additive Manufacturing

Latest News

#Techtextil 2026

SAHM Winding Solutions and Vandewiele Automation present integrated automation solution for winding processes

For the first time at the Techtextil trade fair in Frankfurt am Main, Germany (21 - 26 April), SAHM Winding Solutions (Hallo 12.0. / Booth 95) and Vandewiele Automation will be showcasing their combined automation expertise for industrial winding processes. Under the motto “Combining Automation. Maximizing Flow”, the two companies will demonstrate how automated package handling and robot-assisted yarn knotting can be integrated into a continuous production flow.

#Recycled Fibers

UNIFI celebrates recycled and circular Innovation with ninth annual REPREVE® Champions of Sustainability Awards

Unifi, Inc. (NYSE: UFI), the makers of REPREVE® and one of the world’s leading innovators in recycled and synthetic yarns, today announced the winners of its ninth annual REPREVE Champions of Sustainability Awards, recognizing brands and mills that are advancing circularity and responsible manufacturing across the global textile industry.

#Man-Made Fibers

Teijin Frontier announces new Stretch Polyester yarn offering exceptional compatibility with high-performance Polyester materials

Teijin Frontier Co., Ltd. announced today that it has developed a new stretch polyester yarn that offers new opportunities to create comfortable, all- polyester fabrics for sports and outdoor wear. The new polyester yarn demonstrates exceptional compatibility with high-performance polyester materials. Further, Teijin Frontier’s proprietary polymer design and spinning technology impart excellent elasticity to the new yarn. In turn, this yarn adds stretchability and recovery to the advanced functionality and excellent texture of high-performance polyester materials.

#Man-Made Fibers

Lenzing commissions 14 MW power‑to‑heat facility, strengthening grid stability and heat management

The Lenzing Group has successfully commissioned a new power‑to‑heat (P2H) facility with an electrical capacity of 14 megawatts. The installation converts renewable electricity directly into process heat, is fully integrated into the existing heat network at the industrial site, and represents a key building block for a fossil‑free heat supply. As project partner, VERBUND was responsible for the energy‑market integration and will operate the facility for balancing energy marketing, enabling it to respond flexibly to short‑term fluctuations in the power grid.

TOP