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Denver -- Adhesive formulators always strive to provide high quality adhesives with strong bond and reliable processing. Replacing solvent-based adhesives with waterborne ingredients can provide improved performance, while meeting stricter environmental regulations. The Adhesive & Sealants Councils two-day short course on waterborne adhesives offers insight into these trends.

Dr. Jeffrey Dormish, business development - Adhesives & Specialties, Bayer MaterialScience LLC, will discuss these topics during his presentations, "Polyurethane Dispersions for Adhesive Applications," and "Waterborne Polychloroprenes for Adhesive Applications." Both presentations will take place during the Waterborne Adhesives Short Course at the Adhesive and Sealant Councils (ASC) Spring Convention and Expo, taking place in Denver.

Each presentation will provide an overview of the chemistry and manufacturing processes for each class of adhesives. Aqueous polyurethane dispersions provide the basis for many waterborne adhesives, offering a high intial bond strength, resistance to moisture and plasticizers, and several grades that are compliant with Food & Drug Administration regulation 175.105. During his first presentation, Dr. Dormish will cover polyurethane dispersions, including application methods, crosslinking and performance.

It is possible to replace the raw materials used for solventborne adhesives with waterborne polychloroprenes that offer high storage stability without affecting end-use performance. Different combinations of polychloroprene latexes allow formulators to tailor adhesives to target typical contact adhesive applications. Dr. Dormishs presentation will include the principles of contact adhesives, production and microstructure of polychloroprenes, applications and starting formulations, focusing on waterborne products.

About Bayer MaterialScience LLC

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 approximately 14,800 employees at 30 production sites around the world and 2011 sales of 10.8 billion euros. Bayer MaterialSciences 2011 sales in North America were $2.9 billion. The company manufactures high-tech polymer materials and develops 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. Sustainability is central to Bayer MaterialScience LLCs business and is based around the key areas of innovation, product stewardship, excellence in corporate management, social responsibility and respect for the environment.