热压工艺参数对刨花板VOCs释放的影响  

Effect of hot-pressing parameters on the emission of volatile organic compounds from particleboard

作　　者：刘玉[1] 沈隽[1] 朱晓冬[1] 

机构地区：[1]东北林业大学材料科学与工程学院

出　　处：《北京林业大学学报》2008年第5期139-142,共4页Journal of Beijing Forestry University

基　　金：教育部留学回国基金项目(2003-406);黑龙江省博士后科研启动资金项目

摘　　要：该文以室内装修常用的落叶松刨花板为研究对象,采用人造板有机挥发气体采样装置、手持式VOCs气体检测仪、气相色谱-质谱仪,对不同热压温度和热压时间工艺条件下的刨花板释放的有机挥发物含量和成分进行测定。结果表明:热压温度和热压时间对刨花板有机挥发物的释放量和释放速率影响显著。热压温度升高、热压时间延长都会使刨花板有机挥发物的释放量增加,初始释放浓度上升,释放速率增大;有机挥发物中芳香族化合物种类增多,萜烯类相对含量下降,酯类化合物种类和相对含量变化较小。Volatile organic compounds （VOCs） emitted from larch particleboard under different hot-pressing conditions were studied in this paper. The VOCs collection chamber, portable VOC gas monitor and gas chromatography-mass spectrometer were used to analyze VOCs components and quantities. The results show that hot-pressing temperature and time influenced the concentration and emission rate of VOCs significantly. The increase of hot-pressing temperature and time made the amount of VOCs enhanced and the initial emission concentration and emission rate increased. With the augment of hot-pressing temperature and time, the aromatic compounds of VOCs increased, the variety of the terpene declined and the species and relative content of ester compounds were rarely changed.

关 键 词：刨花板 热压工艺 挥发性有机化合物 

分 类 号：TS653.5[轻工技术与工程]