Лако-красочные материалы — производство

Solvents are primarily used to control viscosity of the coatings for acceptable application. These are essentially volatile compounds that must evaporate from the film after application. Solvents also affect such properties as flow and leveling, drying time, gloss etc. A wide range of organic solvent types are used in coatings. Many of these solvents are VOCs, which have harmful effects on human health and the environment. Over the past several decades, there have been significant efforts in developed nations to reduce VOC emissions, and there are increasingly stringent regulatory require­ments for use of such solvents in coatings. Waterborne coatings, which use water as the primary carrier replacing organic solvents, have therefore significantly grown over solventbased coatings as the preferred coating types for a number of end-use applications.

Introduction to paints and coatings