Moisture-repellent, solvent-free and lightfast

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0.84?OpenElement&FieldElemFormat=jpgmore imagesdownloadBayer MaterialScience has developed raw materials for highly transparent two-component polyurethane casting compounds that can be used to manufacture lighting strips and other lighting elements with light-emitting diodes. The LEDs are given effective and long-term protection against moisture, weathering and cleaning agents by being integrated into the elements.

Leverkusen, March 2014 – Bayer MaterialScience offers raw materials for highly transparent casting compounds that can be used to seal lighting strips and other lighting elements with light-emitting diodes (LEDs). This gives the LEDs long-lasting, effective protection against moisture, weather and cleaning agents. The development is part of an extensive program of material solutions for energy-efficient lighting technologies that Bayer MaterialScience is showcasing at the Light + Building tradeshow in Frankfurt.

The casting compounds are formulated from solvent-free, aliphatic Desmodur® and Desmophen® grades. The two liquid components are combined shortly before processing and then the LED strips required are cast. The compound hardens to create a highly transparent casting that completely embeds the LEDs. The specific selection of the two components enables the consistency of the material to be adjusted from highly flexible to very hard. This allows production of high-quality lighting elements for an extremely wide range of applications using a broad array of design options.

Aliphatic polyisocyanates and polyols from the two ranges are established raw materials for brilliant and extremely resistant coatings. They are now also lending their excellent properties to molded parts. The molded parts are crystal clear, lightfast and highly resistant to chemicals and mechanical stress. Their properties can also be largely tailored to suit specific requirements thanks to the wide range of raw material grades available.

Bayer MaterialScience expects the casting compounds to also help LED strips make inroads in the future in bathrooms, saunas, swimming pools, external facades and gardens.

About Bayer MaterialScience:
With 2013 sales of EUR 11.2 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 2013, Bayer MaterialScience had 30 production sites and employed approximately 14,300 people around the globe. Bayer MaterialScience is a Bayer Group company.

This news release is available for download from the Bayer MaterialScience press server at www.press.bayerbms.com.

Find more information at www.materialscience.bayer.com.


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News Source : Moisture-repellent, solvent-free and lightfast

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