Lab of Adhesion and Bio-Composites, Program in Environmental Materials Science, Seoul National University, Seoul 151-921, Republic of Korea.
J Hazard Mater. 2011 Mar 15;187(1-3):44-51. doi: 10.1016/j.jhazmat.2010.08.086. Epub 2010 Aug 27.
Formaldehyde was measured with a desiccator, a 20 L chamber and the FLEC method. The formaldehyde emission rate from laminate was the highest at 32 °C using the desiccator, which then decreased with time. The formaldehyde emission using the 20 L small chamber and FLEC showed a similar tendency. There was a strong correlation between the formaldehyde and total volatile organic compounds (TVOCs) with both types of floorings using the two different methods. The formaldehyde emission rate and TVOC results were higher when tested using the FLEC method than with the 20 L small chamber method. The emission rate was affected by the joint edge length in laminate flooring. Toluene, ethylbenzene and xylene were the main VOCs emitted from laminate flooring, and there were more unidentified VOCs emitted than identified VOCs. The samples heated with a floor heating system emitted more formaldehyde than those heated using an air circulation system due to the temperature difference between the bottom panel and flooring. The TVOC emission level of the samples was higher when an air circulation system was used than when a floor heating system was used due to the high ventilation rate.
采用干燥器法、20L 箱法和 FLEC 法测定了甲醛。采用干燥器法，在 32°C 时刨花板的甲醛释放率最高，随后随时间降低。20L 小箱法和 FLEC 法的甲醛释放也呈现出相似的趋势。两种不同方法的两种地板均显示出甲醛与总挥发性有机化合物（TVOC）之间存在很强的相关性。使用 FLEC 法测试的甲醛释放率和 TVOC 结果高于 20L 小箱法。甲醛释放率受刨花板地板拼接边长的影响。甲苯、乙苯和二甲苯是刨花板地板释放的主要 VOCs，释放的未识别 VOCs 多于已识别 VOCs。由于底面板与地板之间的温差，采用地板采暖系统加热的样品比采用空气循环系统加热的样品释放出更多的甲醛。由于通风率高，使用空气循环系统时样品的 TVOC 排放水平高于使用地板采暖系统时的水平。
