NACE CIP Level I Coatings questions and answers)complete

Curing mechanisms (two types) - Non-convertible and convertible Non convertible coatings characteristics - Cure by evaporation No chemical Change Thermoplastic non convertible curing processes - Evaporation cure Coalescence Evaporation cure defined - Cures solely by solvent evaporation Evaporation cure coatings - Vinyl Chlorinated rubber Coalescence defined - Evaporation cure Water evaporates, resin particles fuse Coalescence coatings - Latexes Acrylic Latexs Convertible coating characteristics - Cure by polymerization mechanisms Resins undergo chemical change Thermoset Convertible coating chemical reactions - Oxidation Co-reactionHydrolysis Fusion Oxidation defined - React with atmospheric oxygen Oxygen reacts with oil in resin, resulting in oxidative cross linking Not suitable for immersion Not suitable for alkaline environment (saponification)