BAYER POLYMERS AND BAYER CHEMICALS RESEARCHERS DISCUSS NEW TECHNOLOGY FOR TWO-COMPONENT WATERBORNE POLYURETHANE COATINGS

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BAYER POLYMERS AND BAYER CHEMICALS RESEARCHERS DISCUSS NEW TECHNOLOGY FOR TWO-COMPONENT WATERBORNE POLYURETHANE COATINGS
26 October 2003 - Bayer MaterialScience AG

Renee Bynum, R&D Specialist, Bayer Polymers LLC, and Shelley Parkerson-Hoy, Technical Manager-Borchers Paint Additives, Bayer Chemicals LLC, will present their paper at 1 p.m. October 29 at The Society for Protective Coatings Conference.

The paper is entitled Recent Advances in 2K Waterborne Polyurethane Coatings.

In their paper, Bynum and Parkerson-Hoy will explain the problems previously associated with two-component waterborne polyurethane coatings in maintenance topcoat applications, such as less than desirable performance in the areas of viscosity, sag resistance, potlife, foam stabilization and surface tension. They will also explain what improvements have been made in the new technology to address these problems, including a significant reduction in volatile organic compounds (VOC) content.

'2K waterborne polyurethane technology has been available since the early 1980's but has been slow to impact the maintenance coatings market,' explained Parkerson-Hoy. 'But now, the South Coast Air Quality Management District in the state of California has issued rule 1113 for architectural and maintenance coatings, requiring significant reductions in volatile organic compounds (VOC) levels for many types of coatings.'

'2K waterborne polyurethane technology can be formulated to very low VOC contents,' said Bynum. 'Now that recent technology has led to easier application of 2K waterborne polyurethane coatings, we believe that these types of coatings will rival 2K solventborne polyurethane coatings in many aspects.'

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About: Bayer MaterialScience AG
Bayer Corporation, headquartered in Pittsburgh, is part of the worldwide Bayer Group, an international health care, nutrition and innovative materials group based in Leverkusen, Germany. Bayer employs 23,300 in North America with net North American sales of 8.8 billion euros in 2003. Bayer’s three operating business areas – HealthCare, CropScience and MaterialScience, improve people’s lives through a broad range of essential products that help diagnose and treat diseases, protect crops and advance automobile safety and durability.

Bayer MaterialScience AG is one of the world's largest producers of polymers and high-performance plastics. The main customers for Its innovative developments in coatings, adhesives, insulating materials and sealants, polycarbonates and polyurethanes are the automotive and construction industries, the electrical/electronics segment and manufacturers of sports and leisure goods, packaging, and medical devices.

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