Investigating the Long-Term Color Stability of Polyurethane Waterborne Coatings with Additives Introduction: A Splash of Color, A Dash of Science 🎨🧪 Imagine a world without color. Gray skies, gray walls, and gray moods. Fortunately, we live in a colorful universe, much of which owes its vibrancy to coatings — especially polyurethane waterborne coatings (PWBCs). These...