Waterproof building materials made of waste paint

A U.S. company has developed a new method of using waste paint to make waterproof building materials. Its preparation method is: First, the waste paint is fully mixed into a slurry, and then pressed into a drying furnace with a pressure pump; in the drying furnace, dry distillation is performed at a high temperature of 250° C.; the material after the dry distillation is mainly composed of a pigment, a filler, and a resin. Composition; To be completely reacted to produce fine powder and sieved, and then mixed with concrete, which is made of a building material with a certain waterproof performance.