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Successful large-scale test for Bayer MaterialScience gas phase phosgenation technology


China TDI manufacturing milestone

*New process technology set for implementation in world-scale TDI manufacturing facility

Leverkusen/Shanghai, – Bayer MaterialScience has successfully tested its innovative gas phase phosgenation technology at a new plant being commissioned for the manufacture of toluene diisocyanate (TDI), a raw material for polyurethane manufacture, at its integrated production site at Caojing in Shanghai, China.

The process technology, which was implemented together with Bayer Technology Services, reduces solvent consumption by around 80 percent in a large production facility such as that being commissioned, cutting energy consumption by up to 60 percent. The use of this technology also enables a significant reduction in operating costs. Compared with conventional production facilities of similar size, carbon dioxide emissions can be cut by around 60,000 metric tons a year. The new technology also cuts investment costs for this type of large-scale facility by about 20 percent.

The new world-scale TDI facility is expected to come on stream stepwise later this year, building next year to its full capacity of 250,000 metric tons of TDI per year. The company’s eventual global TDI capacity will increase to over 700,000 metric tons a year.

“The use of our gas phase phosgenation technology for the first time in a manufacturing plant of this size clearly indicates that Bayer MaterialScience is at the forefront of modern and environmentally advanced technologies,” says Patrick Thomas, CEO of Bayer MaterialScience.

TDI is used in the production of flexible polyurethane foam, which in turn is used in, for example, upholstered furniture and car seats.

About Bayer MaterialScience:
With 2010 sales of EUR 10.2 billion, Bayer MaterialScience 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. At the end of 2010, Bayer MaterialScience had 30 production sites and employed approximately 14,700 people around the globe. Bayer MaterialScience is a Bayer Group company.

Forward-Looking Statements
This release may contain forward-looking statements based on current assumptions and forecasts made by Bayer Group or subgroup management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Bayer’s public reports which are available on the Bayer website at The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.


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