文章摘要
孙晓,吴昭昀,陈俊成,王润黎,刘婧,康柳,惠飞飞,张求慧.废旧利乐包 / 木屑复合板热压优化工艺研究[J].包装工程,2013,34(1):5-11.
SUN Xiao,WU Zhao-yun,CHEN Jun-cheng,WANG Run-li,LIU Jing,KANG Liu,HUI Fei-fei,ZHANG Qiu-hui.Study on Optimum Hot-pressing Process of Waste Tetra Pak/ Wood Composite Board[J].Packaging Engineering,2013,34(1):5-11.
废旧利乐包 / 木屑复合板热压优化工艺研究
Study on Optimum Hot-pressing Process of Waste Tetra Pak/ Wood Composite Board
投稿时间:2012-11-08  修订日期:2013-01-10
DOI:
中文关键词: 利乐包  复合板  热压  优化工艺
英文关键词: Tetra Pak  composite board  hot-pressing  process optimization
基金项目:北京林业大学 2012 年本科生科技创新计划项目(201201)
作者单位
孙晓 北京林业大学, 北京 100083 
吴昭昀 北京林业大学, 北京 100083 
陈俊成 北京林业大学, 北京 100083 
王润黎 北京林业大学, 北京 100083 
刘婧 北京林业大学, 北京 100083 
康柳 北京林业大学, 北京 100083 
惠飞飞 北京林业大学, 北京 100083 
张求慧 北京林业大学, 北京 100083 
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中文摘要:
      为提高废旧利乐包的再利用效率,扩大其在包装领域的应用范围,研究了废旧利乐包 / 木屑复合板制备的热压优化工艺。 采用正交试验法,以施胶量、热压温度、热压时间、利乐包与木屑质量比为影响因素,分别以静曲强度、弹性模量和 2 h 吸水厚度膨胀率为检测指标,得到了此种复合板热压优化工艺参数。 结果表明板材热压优化工艺参数为:施胶量 14% ,热压温度 150 ℃ ,热压时间 420 s,利乐包与木屑质比比 4 : 6,在此条件下,板材最大静曲强度为 23. 1 MPa,最大弹性模量为 2917 MPa,2 h 吸水厚度膨胀率最小,为 6. 1% 。
英文摘要:
      To improve recycling efficiency of waste Tetra Pak package and enlarge its application in packaging field, the optimum hot-pressing process of waste Tetra Pak / wood composite board was studied. Orthogonal experimental method was applied in the study. Resin content, hot-pressing temperature, hot-pressing time, and Tetra Pak / sawdust mass ratio were taken as influencing factors; MOR, MOE, and expending rate after 2 h water absorption was taken as inspection index. The optimum hot-pressing process parameters were obtained from the experiments. The results showed the optimal process parameters for the board were resin content for 14% , hot-pressing temperature 150 ℃ , hot-pressing time 420 s, and Tetra Pak / sawdust mass ratio 4 : 6; under this condition, the maximum MOR of the board is 23. 1 MPa; the maximum MOE is 2917 MPa; and the minimum expending rate of the board after 2 h water absorption is 6. 1% .
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