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A simple rheological method based on a novel measuring system has been presented that enables the investigation in drying behavior of aqueous paints. The method has been successfully tested in the characterization in drying behavior of four commercial polymer dispersions and also in the investigation of the effect of two additives on the drying process of polymer dispersions.
A live DIY consumer roll-out study along with a comprehensive benchmarking study of > 20 commercial paints gave insights into physical paint parameters that result in DIY consumer satisfaction.
On DemandReducing the total number of coats required to paint a room translates into efficiency gains and reduced environmental impact. Improving the hiding power of a coating involves increasing the inherent hide (amount and dispersion of titanium dioxide) of the formulation and its applications properties. This “real world” or applied hide, is significantly influenced by the coatings’ rheology.
Formulators of decorative coatings place high value on maximizing visual hiding while minimizing formulation cost. A macro and micro approach is required to reduce surface defects (foam, roller picking, etc.) and improve film uniformity. The choice in rheology modifiers plays a great role in flow and leveling performance but traditional drawdown measurements do not capture all application methods and shear conditions (spray, brush & roll).
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