| 热压工艺对竹重组板材性能的影响 |
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| 引用本文： | 戴恁.热压工艺对竹重组板材性能的影响[J].林业机械与木工设备,2012(5):32-36. |
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| 作者姓名： | 戴恁 |
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| 作者单位： | 福建省永安市林业科学技术推广服务中心,福建永安,366000 |
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| 摘 要： | 探讨了以竹材为主要原料的竹重组板材热压工艺的优化,研究了热压工艺对竹重组板材力学性能的影响,讨论分析了热压压力、热压时间、热压温度对竹重组板材吸水厚度膨胀率、耐沸水性、静曲强度、弹性模量、耐磨性、耐化学腐蚀性、浸渍剥离率和甲醛释放量等性能的影响。通过正交试验,得出的优化热压工艺为:①热压压力2.0MPa、热压温度145℃、热压时间1.7min/mm,热压压力对竹重组板材耐酸性、静曲强度和弹性模量等影响显著,对耐沸水性、耐碱性、耐盐性、耐磨性和浸渍剥离率等影响不显著。②热压时间对竹重组板材静曲强度有显著影响,对其他试验指标影响不显著。③热压温度对竹重组板材各试验检测指标均有一定的影响,但不显著。
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| 关 键 词： | 毛竹 竹重组板材 热压工艺参数 物理力学性能 |
Effect of Hot-pressing Process on the Properties of Recombined Bamboo Boards |
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| DAI Nin.Effect of Hot-pressing Process on the Properties of Recombined Bamboo Boards[J].Forestry Machinery & Woodworking Equipment,2012(5):32-36. |
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| Authors: | DAI Nin |
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| Institution: | DAI Nin (Fujian Yong’an Forestry Science and Technology Extension Service Center,Yong’an Fujian 366000,China) |
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| Abstract: | The optimization of the hot-pressing process of recombined bamboo boards with bamboo as the main rawmaterials is discussed,the effect of hot-pressing process on the mechanical properties of recombined bamboo boards are studied and the effect of hot-pressing pressure,hot-pressing time and hot-pressing temperature on the thickness expansion rate after water absorption,boilding water resistance,static bending strength,elastic modulus,abrasion resistance,chemical corrosion resistance,dip peel rate and formaldehyde release volume of recombined bamboo boards are discussed and analyzed.Through orthogonal tests,the optimal hot-pressing parameters are obtained: hot-pressing pressure is 2.0MPa,hot-pressing temperature is 145℃,hot-pressing time is 1.7min/mm,the effect of hot-pressing pressure on the acid resistance,static bending strength and elastic modulus is noticeable and the effect of hot-pressing pressure on the boiling water resistance,salt resistance,alkali resistance,abrasion resistance and dip peel rate of recombined bamboo boards is not significant;hot-pressing time has a signifant effect on the static bending strength of recombined bamboo boards and an insignificant effect on other experimental indexes;hot pressing temperature has a certain but insignificant effect on all experimental detection indexes. |
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| Keywords: | bamboo recombined bamboo board hot pressing parameters physical and mechanical properties |
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