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European Journal of Wood and Wood Products

, Volume 72, Issue 1, pp 117–121 | Cite as

The influence of scavengers on VOC emissions in particleboards made from pine and poplar

  • N. A. Costa
  • M. Ohlmeyer
  • J. Ferra
  • Fernão D. Magalhães
  • A. Mendes
  • L. Carvalho
Originals Originalarbeiten

Abstract

This paper studies the performance of scavengers on Volatile Organic Compound (VOC) emissions from wood-based composites. Particleboards made from maritime pine (Pinus pinaster Ait.) and European poplar (Populus spp.) were produced with a UF resin doped with melamine and two scavengers, sodium metabisulfite and urea. VOC emission was measured according to EN ISO 16000. Particleboards made from pine present much higher total VOC (TVOC) emissions than boards made from poplar. Pine emits a higher amount of terpenes, but also aldehydes, acids and terpenoids, while poplar emits mainly acetic acid. Sodium metabisulfite showed an excellent ability to reduce aldehydes emission, which represents nearly 50 % of total emission of particleboards made from pine. When sodium metabisulfite was applied to particleboards made from poplar, reduction of TVOCs was not significant due to the low contribution of aldehydes to TVOCs. Urea presents a low reduction in TVOCs for both wood species.

Keywords

Volatile Organic Compound Poplar Terpene Wood Species Volatile Organic Compound Emission 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Einfluss von Fängersubstanzen auf die VOC-Emissionen von Spanplatten aus Kiefer und Pappel

Zusammenfassung

Gegenstand dieser Untersuchung ist die Wirkung von Fängersubstanzen auf die VOC-Emissionen (Volatile Organic Compound) aus Holzwerkstoffplatten. Hierzu wurden Spanplatten aus den Holzarten Seekiefer (Pinus pinaster Ait.) bzw. Pappel (Populus spp.) hergestellt. Als Klebstoff kam UF-Harz zur Anwendung, das mit Melamin verstärkt und mit jeweils zwei unterschiedlichen Fängersubstanzen versehen wurde: Natriummetabisulfit bzw. Harnstoff. Die Messung der VOC-Emissionen erfolgte gemäß EN ISO 16000. Spanplatten aus Seekiefer wiesen deutlich höhere TVOC-Emissionen (Total VOC) als Platten aus Pappel auf. Die Kiefer emittiert größere Mengen an Terpenen, aber auch Aldehyde, Säuren und Terpenoide. Pappel emittiert hauptsächlich Essigsäure. Natriummetabisulfit bewirkte eine deutliche Abnahme der Aldheydemissionen von Spanplatten aus Seekiefer, wodurch die TVOC-Emissionen um etwa 50 % reduziert wurden. Die Emissionen der Platten aus Pappel waren durch diese Substanz nicht nennenswert beeinflusst, da diese kaum Aldehyde emittieren. Harnstoff hatte nur einen geringen Einfluss auf beide Holzarten.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • N. A. Costa
    • 1
    • 2
    • 3
  • M. Ohlmeyer
    • 4
  • J. Ferra
    • 2
  • Fernão D. Magalhães
    • 1
  • A. Mendes
    • 1
  • L. Carvalho
    • 1
    • 5
  1. 1.LEPAE-Laboratório de Engenharia de Processos, Ambiente e Energia, Faculdade de EngenhariaUniversidade do PortoPortoPortugal
  2. 2.EuroResinas-Indústrias Químicas, S.A.SinesPortugal
  3. 3.ARCP-Associação Rede de Competências em PolímerosPortoPortugal
  4. 4.Thünen-Institute of Wood ResearchHamburgGermany
  5. 5.DEMad-Departamento de Engenharia de Madeiras, Instituto Politécnico de ViseuCampus Politécnico de RepesesViseuPortugal

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