Presented by EPS Materials
February 14, 2023, at 2 p.m. EST
Direct-to-metal (DTM) coatings are a rapidly growing segment of the industrial coatings market. DTM coatings are used in multiple applications and serve a diverse set of functions. First, they improve the aesthetic properties of the coated element by providing color and a high-gloss finish. Secondly, and more importantly, they serve as a protective barrier over corrosion-prone substrates. This barrier enhances the life span of the coated product. Lastly, these coatings allow for a single coat of paint to be applied in place of the standard primer and topcoat systems. Having a single-coat capability improves the throughput of the coated element and reduces the time of the application process.
The usefulness of DTM coatings has led to research around additives and formulation parameters that provide optimized properties in these systems. This presentation outlines the effects of coalescent selection, dispersant choice, neutralizer selection and corrosion inhibitors on the performance and film properties of formulated DTM coatings. Film properties tested include liquid water uptake, electrochemical impedance and adhesion. The performance of the coating was assessed by salt spray and QUV accelerated weathering testing. Based on this research, a new low-VOC DTM coating resin was developed, offering an excellent blend of hardness, adhesion and corrosion resistance.
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Presenter
Chris LeFever
R&D Technical Manager
EPS Materials
Chris is an R&D Technical Manager at Engineered Polymer Solutions (EPS®), where he has worked on a comprehensive range of projects in the industrial maintenance space. These projects span waterborne coatings formulation, solventborne coatings formulation, and emulsion synthesis and design. His team’s current research centers on optimizing the performance properties of acrylic emulsions in industrial and construction coatings. Chris has nearly a decade of coatings experience and graduated from Western Illinois University with a bachelor’s degree in chemistry.
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