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

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Waterborne coatings dominate the North American architectural coatings segment, largely due to the environmental friendliness and ease of use of those products. The residential repaint and remodel market, which includes consumer Do-It-Yourself (DIY) and contractor paints, accounts for over 60% of that segment. For those applications, there is a high value placed on balanced performance. These challenging performance targets are reflected in the many product label claims that paint manufacturers highlight on consumer products.  Through a simple survey of those claims from 14 top tier paint lines, one can 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 from the consumer segments, wherein we evaluated 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 research toward developing an emulsion polymer that provides a coating with a balance of washability, scrub resistance, and tint strength (related to one-coat hide) is summarized in the second portion of this paper.  Methods are identified for improving washability and scrub resistance through the proper selection of bulk monomer and functional monomer type and level. Additionally, the balancing of functional monomer and process conditions has led to a very powerful lever for improving titanium dioxide (TiO2) efficiency. Another component of emulsion polymers, the emulsifying/stabilizing surfactant, also contributes to stain resistance performance. Lastly, emphasis is placed on the role of various components of a waterborne paint formulation on the coating’s washability. These 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.

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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