Georg Fuchte, TPU expert at Covestro said that, â€œWith the new TPU, our customers can reduce the carbon footprint of their products and as a result play a pioneering role in sustainability vis-Ã -vis their competitors,â€ Also, â€œThis is especially true for companies in the consumer goods industry, which often manufacture products with a short lifespan.â€
DesmopanÂ® 37385A has a hardness of 85 Shore A and itâ€™s mechanical properties are at least at the level of conventional TPU grades of similar hardness, and even surpass some of them. It has a tensile strength of 36 megapascals, for example. The elongation at break reaches 660 percent (DIN 53504). The plastic is designed for extrusion, but is also suitable for injection molding. Fuchte said that, â€œThe application spectrum covers typical applications of conventional TPU grades with comparable hardness and ranges from soles and upper shoe components to sportswear, handles and knobs to packaging for sensitive electronics.â€
Covestro plans to expand the new TPU series with variants of different hardness. A product with a hardness of 95 Shore A, for example, whose melt cures rapidly during processing, is well advanced in development. Fuchte explains that, â€œWe are thus targeting applications in which economic production in short cycle times is particularly important.â€
Covestro cooperates closely with companies and research institutions to use CO2 technology as a synthesis platform for other large-scale chemical raw materials. For example, work is underway on new CO2-based polyols for rigid polyurethane foams that could be used, for example, in the thermal insulation of buildings, in automobiles and in sports equipment. At the Dormagen plant, Covestro already operates a production plant that produces CO2-based polyols for flexible polyurethane foams. The latter are used in the commercial production of upholstered furniture and mattresses.
Yarn: Covestro is also showing innovative TPU developments on a petrochemical basis. These include uniform and glossy TPU and polyamide fibers for knitted fabrics. The fibers have a unique feel and are mainly used in sports shoes, where the use of knitted uppers is very fashionable. There are many possible decorative variations. The fabrics can be produced economically in a single knitting process, including automated production.
Surface structure: The outstanding imaging accuracy of TPU products of the DesmopanÂ® series has been established for decades. Unique surface structures can be created by using different technologies. Covestro is currently working together with its partner J. & F. KrÃ¼th in Solingen to open up almost unlimited possibilities for surface design with the help of innovative and fully digital 3D laser engraving.
Under the name cardyonâ„¢, Covestro is developing and marketing new polyether carbonate polyols that are produced with the aid of carbon dioxide (CO2). With DesmopanÂ® 37385A the company now offers the first representative of a new series of thermoplastic polyurethanes (TPU) containing polyether carbonate polyols based on CO2 technology.
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