热压工艺对刨花板甲醛及其他有机挥发物释放总量的影响

doi:10.11707/j.1001-7488.20091022

Scientia Silvae Sinicae ›› 2009, Vol. 12 ›› Issue (10): 130-133.doi: 10.11707/j.1001-7488.20091022

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Effect of Pressing Parameters on Formaldehyde and Other TVOC Emissions from Particleboard

Shen Jun,Liu Yu,Zhu Xiaodong

College of Material Science and Engineering， Northeast Forestry University Harbin 150040

Received:2008-05-12 Revised:1900-01-01 Online:2009-10-25 Published:2009-10-25
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Abstract

Abstract:

The influence of hot-pressing factors on formaldehyde and other volatile organic compounds （VOCs） were studied in this paper. The particleboard of Larix gmelinii and UF resin were used as main raw materials. Orthogonal design was adopted to analyze the influence of hot-pressing temperature， hot-pressing time， resin content and density on the concentration of formaldehyde and other VOCs. The results showed that the emission of formaldehyde and other VOCs were significantly affected by hot-pressing temperature， time， resin and density. The emission of formaldehyde and other VOCs were obviously decreased in usage with the increasing of hot-pressing temperature， press time and the decreasing of density. Taking formaldehyde and other VOCs emission into account， the optimized condition was hot-pressing temperature of 180℃， hot-pressing time of 37.5 s·mm^-1， resin content of 11%， board density of 0.6 g·cm^-3. The emissions of optimized particleboard satisfied the national standard GB 18580-2001.

Key words: Larix gmelinii, particleboard, formaldehyde, volatile organic compounds, hot-pressing factors

CLC Number:

Shen Jun;Liu Yu;Zhu Xiaodong. Effect of Pressing Parameters on Formaldehyde and Other TVOC Emissions from Particleboard[J]. Scientia Silvae Sinicae, 2009, 12(10): 130-133.

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Effect of Pressing Parameters on Formaldehyde and Other TVOC Emissions from Particleboard

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