Solvay launches new emulsifier to boost coatings and adhesives performance
Chemical

Solvay launches new emulsifier to boost coatings and adhesives performance

Reactsurf 2490 addresses the perennial challenges of dirt pick-up and water whitening for higher-performing coatings and pressure sensitive adhesives

  • By ICN Bureau | November 27, 2022

Solvay recently launched Reactsurf 2490, a new APE-free1 polymerizable surfactant designed as a primary emulsifier for acrylic, vinyl-acrylic and styrene-acrylic latex systems.

Reactsurf 2490 improves emulsion performance to deliver superior functional and aesthetic benefits in exterior coatings and pressure sensitive adhesives (PSAs), compared to conventional surfactants, even at high temperatures.

“Exterior coatings and pressure sensitive adhesives are both prone to surfactant leaching,” explains Sel Avci, Coatings Global Marketing & New Business Development Director. “In exterior coatings exposed to harsh environmental conditions, leaching leads to dirt pick-up and water marks, while it leads to water whitening in PSAs. Reactsurf® 2490 prevents surfactant migration, which improves water-whitening resistance for PSAs and dirt pick-up resistance for exterior coatings. This means clear label products retain their original appearance, and exterior surfaces remain clean and dirt free.”

Reactsurf 2490 is highly reactive and easily incorporated during the emulsion polymerization reaction. It eliminates the need for secondary emulsifiers, thereby facilitating fast and simple design of new latexes.

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