2PAINT vs COATING synthetic resin or inorganic silicate polymer. resistant to harsh environmentssuperior performance (adhesion, toughness, and resistance to chemicals, UV, etc.)drying oils and/or natural resinsoxidation/evaporation to form a weather resistant filmcontinues to oxidize and breaking down.
4Solvents Dissolve film former Reduce viscosity for ease of application Control rate of cureLow molecular weight organic chemicalsExamples include aliphatic, aromatic, and chlorinated hydrocarbons; alcohols; ketones; esters; glycol ethers; and water.
5Resin (binder) Principal ingredient Holds paint together and to the substrateEstablishes chemical and physical propertiesDefines coatings generic typeA "Vehicle" that turns to a "Solid" (nonvolatile)
6Organic Coatings The resin is a carbon based polymer (urethanes, epoxies, alkyds, acrylics, etc)RRRCCRRR
7Inorganic Coatings The resin is not a carbon based polymer Most utilize some type of silicate binderZnZnOOOSiOSiOOOZnZn
8Type of Curing in Modern Coating Resins Solvent evaporationOxidationChemical reactionCatalyzed film formerThermoplasticThermosetEmulsion - water based
9Pigment 1. Decorate, color, and hide 2. Protect 3. Provide consistency BarrierGalvanicInhibitive3. Provide consistency4. Provide film thickness5. Control vehicle penetration into substrate