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Covestro to Display Sustainable PU Textile Coating System at K 2016

Published on 2016-10-13. Author : SpecialChem

Covestro will present breakthroughs in its INSQIN® waterborne polyurethane (PU) technology at K 2016 in Germany. A new process technology for the production of PU synthetic base material combined with new products in the Impranil® range enables significant reduction in manufacturing cost of PU textiles and a broader range of fashionable material effects.

In accordance with an increasing demand for sustainable textile materials, INSQIN® waterborne polyurethane technology enables an entirely new level of material sustainability for PU-coated fabrics, key materials for apparel and footwear, furniture and diverse other industries. By enabling solvent-free material manufacturing processes, the technology brings significant improvement to worker safety, eliminates risks of environmental pollution and drastically reduces the consumption of water and energy.

More Flexible Production

Covestro PU
The new Impranil® eco range of waterborne, bio-based
polyurethane dispersions of Covestro
has a renewable content of up to 65 percent.

PU base materials are essential intermediates in the manufacture of many PU synthetic textile materials, particularly those used in the fashion industry, since they permit a very high level of production flexibility that is of critical importance in this industry. The new technology developed using INSQIN® shows the same high performance, especially softness, of materials manufactured using solvent-based products.

Furthermore, it can be embossed directly, bringing about a significant reduction in manufacturing costs and permitting manufacturers to bring an enormous range of surface effects to the material, another key success factor in the fashion industry. Manufacturers can adopt this new achievement utilizing existing production lines, without need for a major investment.

We are particularly proud of this new breakthrough in the technology for base material manufacture”, says Nick Smith, Global Head of Textile Coatings. “It will further increase the appeal of our waterborne PU material to the textiles industry, that is searching for sustainable materials. It is a wonderful example of a combined development of both new products and textile coating application technology, that we carried out in close concert with key customers.”

Broadening the Application of Waterborne PU Textiles


Covestro has also launched new PU dispersions that further broaden the application possibilities of waterborne PU. The new products focus on both the creation of new material effects and on new performance levels.

Newly launched Impranil® CIL enables the production of fine nubuck material, a popular material effect that until now has posed a significant challenge for waterborne chemistry. Similarly, Impranil® DLI is a new PU dispersion designed for excellent wrinkle or fold recovery in the coated material. This is an important performance criterion in some applications, for example garment. The new materials are under trial with top brand owners in the industry.

Next Leap in Sustainability


Covestro has developed a range of waterborne, bio-based polyurethane dispersions. With a renewable content that reaches as high as 65 percent, Impranil® eco contributes to a further reduction of CO2 emissions, thus further improving the sustainability of waterborne PU. The first products in the series have been designed for applications in fashion apparel, accessory and footwear, and more products are being developed for other uses.

About Covestro

With 2015 sales of EUR 12.1 billion, Covestro is among the world’s largest polymer companies. Business activities are focused on the manufacture of high-tech polymer materials and the development of innovative solutions for products used in many areas of daily life. The main segments served are the automotive, electrical and electronics, construction and the sports and leisure industries. Covestro, formerly Bayer MaterialScience, has 30 production sites around the globe and as of the end of 2015 employed approximately 15,800 people

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Source: Covestro
Halcyon Group 3rd R&D Innovation Summit
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