What occurs if solvent evaporation happens too quickly?

When solvent evaporation happens too quickly, one of the primary consequences is the potential for paint defects to occur. Rapid evaporation can lead to a variety of problems, including inadequate film formation and a rough texture on the surface. This quick drying can also trap solvents within the paint layer, leading to issues such as blistering, cracking, or peeling.

Moreover, if the paint surface dries before the underlying layers have had a chance to properly cure or set, it can cause delamination, where layers separate from each other. This is particularly problematic in paints that rely on solvents for proper adhesion and flexibility. A stable and optimal drying time allows for the paint to form a cohesive bond with the substrate, preventing these defects from arising.

The other options do not accurately reflect the impacts of rapid solvent evaporation; increased color vibrancy, improved adhesion, and lesser drying time do not occur as a result of quick evaporation, emphasizing why the identification of paint defects is the most relevant outcome in this scenario.