Bayer MaterialScience Examines Coating Formulation Chemistry for Demanding Industrial Market Applications


2K waterborne polyurethane coatings for the industrial market:

Pittsburgh, June 25, 2008 - Their high level of performance and low levels of VOCs make two-component (2K) waterborne polyurethane coatings well-suited for countless coatings applications in a number of demanding industrial markets. Bayer MaterialScience LLC (BMS) Senior R&D Scientist Raymond Stewart examined the chemical systems used in the formulation of coatings for two industrial market areas: agricultural construction equipment (ACE) and commercial vehicle markets, and flooring and general concrete surfaces, in his poster presentation: Waterborne Coatings for the Industrial Market-The Time is Now! Stewart presented the poster at the recent 2008 American Coatings Show and Conference in Charlotte, N.C.

Coatings for both the ACE/commercial vehicle and flooring/general concrete surfaces markets must meet common performance requirements for abrasion and chemical resistance, although specific tests differ in methodology according to industry standards. Some general features of user-friendly 2K waterborne polyurethane coatings chemistry include low VOCs, toughness, chemical resistance and versatility in formulation, application and performance. However, careful selection of both polyol and polyisocyanate components is required to make formulations that meet varying coating specifications.

"By varying their formulation, 2K waterborne polyurethane coatings can be specified to meet a variety of critical performance needs for the industrial coatings market, including low emissions, low odor and durability, as well as abrasion, chemical, graffiti and hot tire resistance," said Stewart. "Bayer's extensive line of polyols and polyisocyanates can provide the utmost in formulation flexibility, resulting in reliable, high performance polyurethane coatings."

In his presentation, Stewart described some key performance features of properly formulated 2K waterborne polyurethane coatings to meet the needs of the ACE/commercial vehicle market segments, including gloss, hardness, solvent content and oil and UV-resistance. He also provided testing data on the graffiti-resistant properties of a 2K waterborne polyurethane clearcoat formulation.

"Because of their flexibility and performance characteristics, 2K waterborne polyurethanes can be considered a chemistry of choice for the industrial market," concluded Stewart.

Bayer MaterialScience LLC is one of the leading producers of polymers and high-performance plastics in North America and is part of the global Bayer MaterialScience business with nearly 15,400 employees at 30 sites around the world and 2007 sales of 10.4 billion euros. 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, medical, and sports and leisure industries. Our inorganic basic chemicals unit produces chlorine and related essential products for the chemicals industry. Let us give life to your vision. Bayer MaterialScience - Where VisionWorks.

Bayer Corporation, headquartered in Pittsburgh, is a subsidiary of Bayer AG, an international health care, nutrition and innovative materials group based in Leverkusen, Germany. In North America, Bayer had 2007 net sales of 8.1 billion euros and employed 16,800 at year end. Bayer's three subgroups, Bayer HealthCare, Bayer CropScience and Bayer MaterialScience, improve people's lives through a broad range of essential products that help diagnose, prevent and treat diseases; protect crops and enhance yields; and advance automobile safety and durability.

Contact:

Tom Erdner, Phone: 412-777-5200

E-mail: thomas.erdner@bayerbms.com

For more information about Bayer MaterialScience's waterborne 2K polyurethane chemistry, call 1-800-662-2927, e-mail naftainfo@bayerbms.com or visit www.bayermaterialsciencenafta.com.

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