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首页> 外文会议>Indoor Air 2005 >THE EFFECTS OF MOISTURE CONTENT CHANGE AND EDGE SEALING ON FORMALDEHYDE EMISSION FROM WOOD COMPOSITES
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THE EFFECTS OF MOISTURE CONTENT CHANGE AND EDGE SEALING ON FORMALDEHYDE EMISSION FROM WOOD COMPOSITES

机译：水分含量变化和封边对木材复合材料甲醛释放量的影响

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摘要

This paper describes the effects of moisture content change and edge sealing on formaldehyde emission from wood composites using desiccator test of wood composites. There are two specific types of composites: particleboard (PB), medium density fiberboard (MDF). The formaldehyde emissions as a function of moisture content change increased at composites, were then nearly stable with moisture content from 1 to 2.5 %, but increased with moisture content above 2.5 %. The available data on moisture content change were fit with a linear expression for temperature of 20, 35, and 50℃ dependence. The edge sealing had effect on formaldehyde emission reduced composites. Particularly, the formaldehyde reduction effect is higher for PB. The control emission was about two times higher than the edge sealing in formaldehyde emission range at 20℃.
机译：本文利用木材复合材料的干燥器测试描述了水分含量变化和边缘密封对木材复合材料甲醛释放量的影响。复合材料有两种特定类型：刨花板（PB），中密度纤维板（MDF）。复合材料中甲醛释放量随水分含量的变化而增加，然后在水分含量从1％到2.5％时几乎稳定，但在水分含量高于2.5％时增加。可用的水分含量变化数据与温度分别为20、35和50℃的线性表达式拟合。边缘密封对减少甲醛释放的复合材料有影响。特别地，对于PB，甲醛降低效果更高。在20℃时，甲醛释放量范围内的对照排放量是边缘密封的两倍。

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