| 改性稻草/高密度聚乙烯复合材料的工艺性能 |
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| 引用本文： | 崔勇,陈磊,许民.改性稻草/高密度聚乙烯复合材料的工艺性能[J].东北林业大学学报,2009,37(12). |
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| 作者姓名： | 崔勇 陈磊 许民 |
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| 作者单位： | 生物质材料科学与技术教育部重点实验室(东北林业大学)哈尔滨,150040 |
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| 基金项目： | 黑龙江省重点技术攻关项目 |
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| 摘 要： | 以改性稻草和高密度聚乙烯(HDPE)为原料,研究了改性稻草/HDPE复合材料的热压工艺,分析了稻草改性用NaOH溶液质量分数、热压时间、HDPE加入比例等因素对复合板材性能的影响.结果表明,热压最佳工艺参数为:密度0.75g/cm~3,施胶量4%,热压温度160℃,热压时间6min,HDPE加入比例30%,NaOH溶液质量分数2.5%.在此条件下制作的改性稻草/HDPE复合材料力学性能达到刨花板国家标准GB/T 4897-2003要求.
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| 关 键 词： | 稻草 改性 热压工艺 复合材料 |
Technological Properties of Modified Straw/HDPE Composites |
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| Cui Yong,Chen Lei,Xu Min.Technological Properties of Modified Straw/HDPE Composites[J].Journal of Northeast Forestry University,2009,37(12). |
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| Authors: | Cui Yong Chen Lei Xu Min |
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| Institution: | Cui Yong,Chen Lei,Xu Min(Key Laboratory of Bio-based Material Science , Technology,Ministry of Education (Northeast Forestry University),Harbin 150040,P.R.China) |
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| Abstract: | The hot-pressing technology for the modified strawHDPE composites were studied using the modified straw and HDPE as raw materials.Effects of concentration of NaOH solution,hot-pressing time and HDPE content on the properties of the composites were analysed.The optimal technological parameters were obtained as board density 0.75gcm3,resin content 4%,hot-pressing temperature 160 degrees C,hot-pressing time 6minutes,HDPE content 30%,and concentration of NaOH solution 2.5%.The testing results showed that the me... |
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| Keywords: | HDPE Straw Modification HDPE Hot-pressing technology Composites |
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