Recorded on October 29, 2019
Presented by EPS
As the coatings industry converts more to waterborne technologies, strategies once used to improve adhesion are no longer an option. For example, low surface energy substrates such as thermoplastic polyolefin (TPO) membranes or ethylene-propylene diene monomer (EPDM) membranes are notoriously difficult to adhere to. This is due to the lack of chemical functionality on the membrane surface to improve adhesion. This is particularly true on unweathered substrates.
This talk will present an overview of common substrates, legacy strategies that have been employed to adhere to them. Data will be presented demonstrating how newly developed waterborne acrylic resins and their coatings formulation can impact, and in the case of resin choice, dramatically improve adhesion, thus enabling conversion away from solvent borne technologies.
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