微波处理法降低中密度纤维板甲醛释放量的试验研究
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公益性行业(农业)科研专项(201503137);陕西省农业科技创新与攻关项目(2015NY001)


Experimental Research on Microwave Treatment to Reduce Formaldehyde from Medium Density Fibre Board
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    摘要:

    基于响应面法分析了微波处理温度、处理时间及输入功率对中密度纤维板(MDF)试件甲醛释放量下降率(DRF)的影响规律.结果表明:提高微波处理温度以及在高温下延长微波处理时间或在低温下增大输入功率都可以增大试件DRF.但是,当处理温度较高时,输入功率的增加反而会使微波处理效果变差.在处理温度60℃,处理时间40min以及输入功率317W时的微波处理效果最好,此时MDF试件的甲醛释放量下降率为59.31%,且其主要力学性能下降轻微.

    Abstract:

    Based on response surface analysis, influences of microwave treatment temperature, treatment time and input power on decreasing ratio of formaldehyde(DRF) from medium density fibre board(MDF) were studied. The results show that increasing treatment temperature, increasing treatment time at high temperature, or increasing input power at low temperature will increase the DRF of MDF specimens. However, at high treatment temperature, the increase of input power will reduce the microwave treatment effect. The optimum treatment effect is obtained at treatment temperature of 60℃, treatment time of 40min, and input power of 317W. Under this optimum condition, the DRF of MDF specimen is 59.31% and its main mechanical properties decrease slightly.

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杨培,朱新华.微波处理法降低中密度纤维板甲醛释放量的试验研究[J].建筑材料学报,2016,19(6):1102-1107

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  • 收稿日期:2015-08-28
  • 最后修改日期:2015-10-13
  • 在线发布日期: 2016-12-29
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