WOOD RESEARCH Volume 62, Number 5, 2017
Zhe Wang, Bailing Sun, and Junliang Liu

Investigation of volatile products released during vacuum heat treatment of larch wood

The aim of this study was to investigate the components of volatile by-products released at different treatment temperatures. For this objective, the aldehydes and ketone were trapped in DNPH solution and the aldehyde and ketone derivatives were analyzed by HPLC. The acids and alcohols were trapped in deionized water and analyzed by HPLC and GC. The other volatile organic compounds were trapped on Tenax TA tubes and analyzed by GC-MS. The results showed that there was an increasing trend in the concentrations of aldehydes, acids, and alcohols with the increasing treatment temperature. The heat treatment at higher temperature resulted in more kinds of volatile organic compounds.

WOOD RESEARCH Volume 64, Number 3, 2019
Agata Stachowiak-Wencek

Influence of the packing method of wood products on the emission of volatile organic compounds

The work presents the influence of the way of packing the furniture on the level of emissions of volatile organic compounds (VOCs) emitted from the furniture after its unpacking. The study involved oak wood samples finished with selected varnish coating (polyurethane, waterborne and waterborne UV curable coating). After preparation the samples have been packed for 15 days into selected packaging materials: corrugated cardboard, polyurethane foam and stretch film. The VOC tests were carried out by means of the chamber test method. VOCs were analyzed by gas chromatography fitted with mass spectrometry and thermal desorption. The influence of the used type of packaging material on the level of VOCs emitted from furniture items after their immediate unpacking has been observed. The highest concentration of VOCs was found in items wrapped in stretch film while the lowest concentration was found in items packed in corrugated cardboard. That trend was irrespective of the type of coating material.