Characterization of Curing Emissions from Conversion Varnishes

Three commercially available conversion varnish coating "systems" (stain, sealer, and topcoat) were selected for an initial scoping study. The total volatile content of the catalyzed varnishes, as determined by U.S. Environmental Protection Agency (EPA) Method 24, ranged from 64 to 73 weig...

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Bibliographic Details
Published in:Journal of the Air & Waste Management Association (1995) 1999-01, Vol.49 (1), p.70-75
Main Authors: McCrillis, Robert C., Howard, Elizabeth M., Guo, Zhishi, Krebs, Kenneth A., Fortmann, Roy, Lao, Huei-Chen
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric pollution
Coatings. Paints, varnishes and inks
Exact sciences and technology
Indoor pollution and occupational exposure
Pollution
Polymer industry, paints, wood
Technology of painting and drying
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Summary:Three commercially available conversion varnish coating "systems" (stain, sealer, and topcoat) were selected for an initial scoping study. The total volatile content of the catalyzed varnishes, as determined by U.S. Environmental Protection Agency (EPA) Method 24, ranged from 64 to 73 weight%. Uncombined (free) formaldehyde concentrations, determined by a sodium sulfite titration method, ranged from 0.15 to 0.58 weight% of the uncatalyzed varnishes. Each sealer and topcoat was also analyzed by gas chromatography (EPA Method 311). The primary volatile organic constituents included methyl ethyl ketone (MEK), isobutanol, n-butanol, methyl isobutyl ketone (MIBK), toluene, ethylbenzene, the xylenes, and 1,2,4-trimethylbenzene.
ISSN:1096-2247
2162-2906
DOI:10.1080/10473289.1999.10463777