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2006-02-15 News Headlines
Design projects become reality with plastics VisionWorks in Polycarbonates and Thermoplastic Polyurethanes is the Plast 06 theme where companies can turn their ideas into reality with high-tech plastics from BMS.
After moving to the new exhibition site in Milan, Plast'06, one of Europe's
biggest plastics fairs, is now an outstanding strategic venue for the
markets of southern and central Eastern Europe. It is particularly in
these regions that Ciro Piermatteo, the stand manager for Bayer MaterialScience's
presentation at Plast'06, sees excellent growth potential for the company's
products. “Plast'06 is located right in the heart of the design
and fashion city of Milan, and is thus an important meeting place for
creativity and technology,” says the designer and Color Technology
Development Manager. “Bayer MaterialScience, as a manufacturer of
innovative and technologically mature polymers, is exactly the right partner
for customers who want to turn their ideas into reality with high-tech
materials.” This message is also reflected on the exhibition stand
itself (Hall 24, Stand B34), where the exhibits will be showcased under
the motto “VisionWorks in Polycarbonates and Thermoplastic Polyurethanes”.
Another major field of use for polycarbonate is vehicle windows. The proven Makrolon® louver roof in the present Mercedes-Benz A Class, for example, is now also employed in the Mercedes-Benz B Class. Its five transparent gray-tinted louvers are made of Bayer MaterialScience's special polycarbonate grade, Makrolon® AG 2677. The innovative panorama roof was developed by Webasto AG, who also supply the complete subassembly. “We decided on polycarbonate for the louver material because, compared with a straight steel solution, we save around 3.5 kg in weight and have far more freedom in the design of the three-dimensional component. Apart from that, polycarbonate has excellent stone chip resistance and does not splinter in the event of a crash, unlike glass. This means greater passenger safety,” says Ralf Schwaighofer, group manager for plastics technology at Webasto. Equally well-known in the automotive industry is the thermoplastic polyurethane (TPU), Texin®, a product from Bayer MaterialScience LLC (USA), which was used for making the backlite of the BMW Z8 Roadster. A further development of this grade, namely Texin® DP 3041, is used to produce flexible tent windows, where it is noted particularly for its outstanding scratch resistance. It also ensures that the high transparency of the windows is retained over the long term. “We have optimized the material in such a way that, when heated up by the sun, it goes slightly soft and any unevenness is leveled out. Small scratches therefore heal virtually on their own,” explains Jürgen Winkler, TPU specialist at Bayer MaterialScience, who helped to develop the material. On top of this, the material does not contain any plasticizers, giving the windows permanent flexibility. PVC windows, on the other hand, become brittle over the years because the plasticizer migrates out of the plastic over the course of time. Another advantage of TPU compared with PVC is its high flexural fatigue strength and buckling resistance. This ensures that no unsightly cracks or cloudiness appear when the windows are bent by folding up the tent. This property, together with the absence of plasticizers, also makes TPU the logical choice for raincovers for kiddies’ prams. “Texin® DP 3041 is also an optimum solution for party tents and large marquees. The companies who hire them out frequently complain about the considerable extra costs incurred for the regular replacement of windows that have gone cloudy,” says Jens Ufermann, a marketing specialist for TPU at Bayer MaterialScience. Another strong argument in favor of a broader application of this material is the fact that it can be easily colored in any shade. While on the subject of colors, the Fantasia® line from Bayer MaterialScience
has been developed specifically for the coloring of plastics, primarily
polycarbonates. Numerous color variants and surface effects can be achieved
with the five basic technologies: Aura, Faria, Imagio, Leda and Milena.
To facilitate the search for the best product from the extensive Fantasia®
range, in terms of both quality and economy, the Bayer MaterialScience
Color Competence Center in Filago, not far from Milan, offers a comprehensive
range of services extending from assistance in selecting the colors and
effects to full project partnerships. This ensures that, by using the
optimum process, the customer obtains a finished product with a modern
design and attractive colors and surface effects. Bayer MaterialScience AG belongs to the leading polymer companies in
the world and holds market positions in automotive manufacturing, electrical
engineering and electronics, construction and home products, and sports
and leisure sectors. ® ™ All trademarks recognized.
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