Basic Paint Production
Historically the first known paintings were found approx. 25,000 years ago in caves in France and Spain. The paintings depict humans, animals, and diagrams. The use of paint as a protective coating was applied by Egyptians and Hebrews to protect their ships. During the Middle Ages, artists began to boil resin with oil to obtain highly miscible paints. In the fifteenth century, they were the first to add drying oils to paint to speed up evaporation. The same artists also adopted a new solvent, linseed oil which remained the most commonly used solvent until synthetics replaced it during the twentieth century. Raw Materials Paint is composed of Pigments: give the paint color. Solvent: make it easier to apply. Resins or Binders: help it dry. Additives: serve as everything from fillers to anti-fungicidal agents. For instance: Pigments; titanium dioxide (white), carbon black (black), iron oxide and cadmium sulfide (red), metallic salts (yellow and orange), iron blue (blue), chrome yellows (green). Solvents;…