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CHARACTERIZATION OF EMISSIONS OF VOLATILE ORGANIC COMPOUNDS FROM INTERIOR ALKYD PAINT
Citation:
Fortmann, R., N. Roache, J.C S. Chang*, AND Z Guo*. CHARACTERIZATION OF EMISSIONS OF VOLATILE ORGANIC COMPOUNDS FROM INTERIOR ALKYD PAINT. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 48:931-940, (1998).
Impact/Purpose:
Published Journal Article
Description:
Alkyd paint continues to be used indoors for application to wood trim, cabinet surfaces, and some kitchen and bathroom walls. Paint may represent a significant source of volatile organic compounds (VOCs) indoors depending on the frequency of use and amount of surface paint. The U.S. Environmental Protection Agency (EPA) is conducting research to characterize VOC emissions from paint and to develop source emission models to be used for exposure assessment and risk management. The technical approach for this research involves both paint formulation analysis to identify and quantify VOC contents and dynamic small chamber emission tests to characterize the emissions after application. The predominant constituents of the paint selected for testing are alkanes (C9 - C12) and C8-C9 aromatics. Primer and paint have been applied to glass, wallboard, and pine board to assess substrate effects on emission characteristics. The VOCs in these solvent-based paints are rapidly emitted after application, with over 95% of the total VOCs emitted during the first 24 hours following application. The data do not indicate any substantial effect of the substrate on the VOC emissions. In addition to the alkanes and aromatics, aldehydes were detected in the emissions during paint drying. Hexanal, the predominant aldehyde in the emissions, is apparently an oxidation product formed during drying. This paper describes the technical approach for emissions testing for alkyd paint and results from tests to evaluate substrate effects.
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CHARACTERIZATION OF EMISSIONS OF VOLATILE ORGANIC COMPOUNDS FROM INTERIOR ALKYD PAINT (PDF, NA pp, 4137 KB, about PDF)