BAYER CORPORATION PAPER EXAMINES PERFORMANCE OF ALTERNATIVE BLOWING AGENTS IN RESIDENTIAL WATER HEATERS

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BAYER CORPORATION PAPER EXAMINES PERFORMANCE OF ALTERNATIVE BLOWING AGENTS IN RESIDENTIAL WATER HEATERS
01 October 2001 - Bayer MaterialScience AG

The water heater industry is facing the challenge of replacing HCFC-141b, the predominant blowing agent for use in rigid polyurethane foam insulation, with a non-ozone depleting (ODP) material.

Many new blowing agents are currently being tested for this purpose, including hydrofluorocarbons, such as HFC-134a and HFC-245fa, and hydrocarbons such as cyclopentane.

Kerry Ingold, Technical Project Leader, Insulation, for Bayer Corporation's Polyurethanes Division, presented a paper examining the leading candidates to replace HCFC-141b as insulation material in water heaters at the Alliance for the Polyurethanes Industry's Polyurethanes Conference 2001 here. Co-authors of the paper, 'An Assessment of the Performance of Rigid Polyurethane Foam Insulation for Use in Residential Water Heaters Produced with SNAP-Approved Non-ODP Blowing Agents,' are: Raymond A. Yourd, Technical Manager, and V. Michael Mautino, Research and Development Specialist, for Bayer's Polyurethanes Division.

The researchers produced laboratory and end-use data for the major SNAP-approved blowing agents available for use in rigid polyurethane foam insulation. 'This data includes a comparison of physical testing results from laboratory panels and data from energy efficiency testing and Bayer's stand-by loss testing (SBLT) of water heaters produced with these candidates,' said Ingold.

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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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