09/24/2013

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BASF to showcase new materials and lightweight solutions for rail vehicle construction

"Chemistry provides answers for high speed railway track construction and train manufacturing. Backed by our extensive international experience in high speed railway projects and strong research and development capabilities, BASF is committed to supporting China's ambitious plan of building 30,000 km of high-speed railway lines by 2020. With our high performance, innovative and customised solutions that meet stringent product standards, BASF is also well positioned to contribute to the rapid development of a world class high speed railway network in China,” said Dr. Zheng Daqing, Senior Vice President, Business Management, BASF Greater China.[image_0] New concepts for rail vehicle seating, textile coating, window sealant and structural adhesives A highlight at the trade fair will be the application of Elastoflex W, a versatile polyurethane flexible foam for seating cushions, headrests and armrests in rail vehicles. According to BASF, the flexible foams made from Elastoflex W systems are light, flexible and maintain their good mechanical properties under all climatic conditions. In particular, with their good vibration and noise absorption performance, they show high absorption of vehicle vibration and noise, which it can significantly enhance rail vehicle comfort. Additionally, BASF will unveil a new concept for rail vehicles interior textile coating based on Lurapret. Textile after treatment with Lurapret textile coatings technology possesses strong anti-fouling and decontaminating properties, as well as improved sunlight resistance and strength. BASF will also introduce a number of special polyurethane materials including an easy to process UV resistant elastomer for window sealants and solvent-free, low-temperature resistant structural adhesives based on Elastan, for adhesion between different materials such as insulation materials and metal. Polyurethane composite solutions for rail vehicle lightweight construction BASF says polyurethanes can contribute significantly to lightweight rail vehicle construction. The company will display its ranges of polyurethane composite solutions for stronger and lighter rail vehicles including the Elastoflex paper honeycomb technology for rail vehicle interior floors and walls, as well as Elastoflex long fibre injection for exterior roofing that stands out for its light weight, high strength and stiffness. The long fibre injection process cuts glass fibres from a reel and then chops it into superfine fibres which are mixed with the PU reaction system. The combined glass fibres and PU system yields an extra-strong composite material. Materials for track construction BASF will also showcase its technology base on Elastotrack, Elasturan, and Ultramid PA6 for railway track construction, which have already been applied to major passenger lines including Wuhan-Guangzhou, Zhengzhou-Xi'an and Shanghai-Hangzhou lines. A track ballast binder with good adhesion performance made from Elastotrack, a polyurethane adhesive, can be applied to stations, bridges, corners to enhance warranty of railroad ballast, reduce ground erosion and protect its geometry, provide cushioning effect and improve safety and comfort. A damping elastomer for fasteners made from Elasturan and gauge apron plates made from Ultramid PA6 can significantly increase insulation and reduce noise and vibration. Additionally, they can significantly reduce maintenance cost and expand components lifetime, says BASF. Speciality foam and damping materials make a quieter and smoother ride possible Basotect sound absorbent foam has been broadly used in passenger lines since 2002 thanks to its performance in sound absorption, heat insulation, and flame retardancy. Typical applications of Basotect in rail vehicles include acoustic and thermal insulation of walls, roofs and aluminum air ducts. At the High-Speed Rail Summit and Exhibition 2013, BASF will also showcase its damping materials - Acronal waterborne acrylic emulsion offering a good noise reduction under high and low temperatures. The Acronal waterborne acrylic emulsion contains no chemical solvents, resulting in a low value of volatile organic compounds. Coating system, additive and pigment series for rail vehicle interiors and exteriors In China's railway industry, BASF coating solutions have contributed to the Shanghai No. 2 and No. 10 subway lines and the Hangzhou No. 1 subway line. The company provides a complete coating system for rail vehicle interiors and exteriors from epoxy primer, polyurethane coatings, polyurethane primer, anti-graffiti varnish to anti-graffiti top coat. With more than 30 years of international market presence, fire-proof and smoke-proof accreditations by international prestigious organisations, BASF's coating solutions are highly acknowledged for outstanding performance in anti-corrosion and resistance to the atmospheric agents. Additionally, BASF will display its complete additive and pigment series, which have been broadly applied to coatings and plastics to improve products' service life, ultraviolet resistance, and weather resistance. Solutions for rail vehicle engine systems At the exhibition, BASF will also display a bearing cage for rail vehicles made with lightweight Ultramid PA66. The PA66 bearing cage stands out as a good substitution to metal thanks to its performance in friction compatibility, strength and resilience, wide range of working temperature, anti-corrosion, abrasion resistance and easy processing, says BASF. Another BASF solution for rail vehicle engine systems is a synthetic lubricant for steering gear boxes. With its good low and high temperature performance as well as resistance to humidity, it can generate a durable oil film and provide outstanding protection for gears, preventing them from scratching, pitting corrosion and micro pitting corrosion, prolonging the oil change period, reducing disposal and recycling cost of wasted oil.

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