Waterborne Functional Coatings: Combatting Noise, Heat and Air Pollution

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Product Number: 41216-998-SG

Author: Leo Procopio, Justin Gimbal, Dhara Metla, Paul Doll

Publication Date: 2016

Industry: Coatings

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Coatings are constantly being asked to go to greater extremes, such as lower VOC and higher performance. This paper will discuss coating technologies that are being asked to go beyond the typical protective and aesthetic aspects of coatings and offer other functions. Several types of waterborne functional coatings will be described, including technologies for combating noise, heat, and air pollutants. Specially designed waterborne acrylic coatings are being used to dampen substrate vibrations that lead to noise and rely on the viscoelastic properties of the coating to perform their function. In combination with low thermal conductivity fillers, waterborne binders are also being utilized in coatings that facilitate personnel protection from hot surfaces, condensation control on cold surfaces, and energy savings via their thermal insulating properties. Wall coatings have been designed that can reduce the levels of a hazardous air pollutant, formaldehyde, from the air of interior spaces and improve air quality and rely on acrylic polymers that irreversibly bind formaldehyde and prevent it from being released back into the air of a room. Waterborne functional coatings for sound damping, thermal insulation and formaldehyde abatement will be described in terms of the problems they solve, the polymer technology that facilitates their production, the coating formulations, and their performance. Examples of where the functional coatings could be used in industrial and commercial settings will be discussed.