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Bayer at Waterborne Symposium: Discussed Research on 2K WB Polyurethane Coatings

Published on 2014-03-07. Author : SpecialChem

New Orleans -- Tighter government regulations and consumer demand are driving interest for coatings that offer low volatile organic compounds (VOC) and lower odor. The challenge has been to make a low-VOC, low-odor paint system that offers the performance properties of a two-component solvent-borne polyurethane paint.

Two-component (2K) waterborne polyurethane coatings have been under development for decades and meet the requirements for low odor and low VOC.

Additionally, the quality of these coatings has steadily improved and their performance properties now compare favorably with 2K solvent-borne polyurethane coatings. Yet, to date, few scientific studies have been done specifically to document the performance comparison of 2K waterborne polyurethane coatings and solvent-borne coating systems.

Peter Schmitt, field technical service manager, Coatings, Adhesives & Specialties, Bayer MaterialScience LLC, shared research on waterborne coating formulations during a presentation "The case for two-component waterborne polyurethane coatings" on Wednesday, Feb. 26. Schmitt's talk was part of the Waterborne Symposium, held Feb. 24-28, in New Orleans.

He detailed results from a recently conducted study of more than 70 coating formulations that were prepared and sprayed onto treated steel panels. The coated panels were then tested for: gloss retention, pendulum hardness, impact resistance, flexibility by mandrel bend, chemical resistance, xenon arc and Florida weathering.

"This study demonstrates how properly formulated 2K waterborne polyurethane coatings offer high-performance as well as meet regulations for low VOCs and low odor," Schmitt said.

About Bayer MaterialScience LLC

Bayer MaterialScience LLC is one of the leading producers of high-performance plastics in North America and is part of the global Bayer MaterialScience business with approximately 14,500 employees at 30 production sites around the world and 2012 sales of 11.5 billion euros. 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 LLC's business and is based around the key areas of innovation, product stewardship, social responsibility and respect for the environment.

Source: Bayer MaterialScience LLC


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