Put the lid on VOC emissions from maintenance coatings
- Valspar Corp., Baltimore, MD (United States). Protective Coatings Div.
After the coating film is applied to the substrate, the solvents evaporate and generally become an environmental liability. Solvents used by the coatings industry have been a major environmental issue for many years. Over the years, regulations have been aimed at reducing or eliminating photochemically reactive solvents--those that react in the atmosphere with nitrogen oxides in the atmosphere with nitrogen oxides in the presence of sunlight and heat to form ozones. Many of the solvents used in the coatings industry are, in fact, photochemically reactive. The rules regulating the maintenance coatings industry can generally be divided into three categories: 1. Rules aimed at restricting the VOCs in steel fabricating shops and paint shops. 2. Rules aimed at regulating the emission of VOCs from coatings applied in the field such as on bridges or industrial structures. 3. Rules aimed at the shipbuilding industry where coatings are applied to marine vessels. The paper discusses reducing VOCs, penetrating sealers, mastics, tank linings, inorganic zincs, topcoats--waterborne acrylics, zero-VOC urethane/water systems, and solventless topcoats.
- OSTI ID:
- 419819
- Journal Information:
- Chemical Engineering Progress, Vol. 92, Issue 11; Other Information: PBD: Nov 1996
- Country of Publication:
- United States
- Language:
- English
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