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Thursday, February 20 • 8:00am - 9:00am
Balancing Performance in Interior Waterborne Coatings - Arkema

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It is no surprise that waterborne coatings dominate the North American architectural coatings segment.  The residential repaint and remodel market, which includes do-it-yourself (DIY) and contractor paints, accounts for over 60% of that segment.  For those applications, there is a huge demand for balanced performance.  These challenging performance targets are reflected in the many product label claims that paint manufacturers highlight on those consumer products.  Through a simple survey of those claims from 14 top tier paint lines, we see that stain resistance, durability, and one-coat hide are three of the most highly valued performance benefits.  The first portion of this paper will summarize some benchmark testing on eight top tier product lines taken from the consumer segments, wherein we focus on stain resistance, which is evaluated by testing washability to household stains, and durability, evaluated by testing ASTM scrub resistance.  That testing revealed some performance gaps in these products, which will be highlighted.  The second portion of this paper will outline our work toward developing an emulsion polymer that provides a balance of washability, scrub resistance, and tint strength, which is related to one-coat hide.  We have identified methods for improving washability and scrub resistance through the proper selection of bulk monomer, as well as through the proper selection of functional monomer type and level. Additionally, the balancing of functional monomer and process conditions has led to a very powerful lever for improving tint strength.  Another component of emulsion polymers, the emulsifying/ stabilizing surfactant, is also responsible for stain resistance.  Lastly, emphasis will be placed on the role of the various components of a waterborne paint formulation on washability.  Those resin concepts were used to design an emulsion polymer for use in both flat and semigloss paints, the full performance balance of which will be presented in this paper.

avatar for Jeremy L. Grove

Jeremy L. Grove

Research Scientist, Arkema Coating Resins
BiographyJeremy L. Grove, Ph.D., earned his Bachelor’s Degree in Chemistry from Augusta State University in 2002. He accepted a position as an analytical chemist at Merck and Co. supporting R&D teams. In 2004, he joined the research group of George Majetich at the University of... Read More →

Thursday February 20, 2020 8:00am - 9:00am
Rhythms II-III

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