Mystery of Drying Aqueous Coatings

Aqueous Coating

It’s well known and understood that washed clothing dries when the wash water is evaporated.  Similarly, paint dries when the diluent solvent is evaporated, leaving a film of dry paint solids. Aqueous coatings dry as volatile components (mainly water), about 60% of the typical formula composition, evaporate or are absorbed by a porous substrate.  Coalescence […]