The major change that has taken place in the coatings industry during the last twenty years has been the adoption of new coating technologies. Until the early 1970s, most of the coatings were conventional low-solids, solvent-based formulations; waterborne (latex) paints, used in architectural applications, accounted for 30–35% of the total. In the late 1970s, however, impending government regulations on air pollution control focusing on industrial coating operations stimulated the development of low-solvent and solventless coatings that could reduce the emission of volatile organic compounds (VOCs). Energy conservation and rising solvent costs were also contributing factors. These new coating technologies include waterborne (thermosetting emulsion, colloidal dispersion, water-soluble) coatings, high-solids coatings, two-component systems, powder coatings and radiation-curable coatings.
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