The effects of paints and moisture content on the indoor air emissions from pinewood (Pinus sylvestris) boards
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2021-09
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en
Pages
14
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Indoor Air, Volume 31, issue 5, pp. 1563-1576
Abstract
The emissions of volatile organic compounds (VOCs) from building materials may significantly contribute to indoor air pollution, and VOCs have been associated with odor annoyance and adverse health effects. Wood materials together with coatings are commonly used indoors for furniture and large surfaces such as walls, floors, and ceilings. This leads to high surface-to-volume ratios, and therefore, these materials may participate remarkably to the VOC levels of indoor environment. We studied emissions of VOCs and carbonyl compounds from pinewood (Pinus sylvestris) boards of 10% and 16% moisture contents (MC) with three paints using small-scale test chambers (27 L). The emissions from uncoated pinewood and paints (on a glass substrate) were tested as references. The 28-day experiment showed that the VOC emissions from uncoated pinewood were lower from sample with 16% MC. Painted pinewood samples showed lower emissions compared to paints on glass substrate. Additionally, paints on 16% MC pinewood exhibited lower emissions than on drier 10% MC wood. The emissions from painted pinewood samples were dominated by paint-based compounds, but the share of wood-based compounds increased over time. However, we noticed differences between the paints, and wood-based emissions were clearly higher with the most permeable paint.Description
Funding Information: This study was supported by The Finnish Work Environment Fund (Työsuojelurahasto), Grant/Award Number: Eura 115376; Business Finland, Grant/Award Number: Sisäilmapoliisi 4098/31/2015; and Academy of Finland (Suomen Akatemia), Grant/Award Number: TOXICPM 289161. Funding Information: The authors would like to thank the Finnish Work Environment Fund (Työsuojelurahasto, EURA 115376), Business Finland (Sisäilmapoliisi 4098/31/2015), and Academy of Finland (Suomen Akatemia, TOXICPM 289161) for funding this research and Tikkurila Oyj for offering the coating materials. Publisher Copyright: © 2021 The Authors. Indoor Air published by John Wiley & Sons Ltd. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.
Keywords
emissions, interior paints, moisture content, pinewood, VOC, wood materials
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Citation
Alapieti, T, Castagnoli, E, Salo, L, Mikkola, R, Pasanen, P & Salonen, H 2021, ' The effects of paints and moisture content on the indoor air emissions from pinewood (Pinus sylvestris) boards ', Indoor Air, vol. 31, no. 5, pp. 1563-1576 . https://doi.org/10.1111/ina.12829