Preparation Process Optimization for Ultra-thin Bamboo Particleboard via Response Surface Methodology
-
摘要: 以毛竹加工剩余物制备的竹刨花为原料,探讨了厚度为4.5 mm超薄竹刨花板的生产工艺。采用响应面Box-Behnken试验设计方法研究不同施胶量、热压温度、时间、压力对超薄竹刨花板主要物理力学性能的影响,并分析优化前后超薄竹刨花板的断面密度分布。结果表明,超薄竹刨花板的较佳制备工艺参数为脲醛树脂施胶量12.2%,热压温度182 ℃,热压时间30 s·mm-1,热压压力2.7 MPa。在此条件下制备的超薄竹刨花板产品的静曲强度、弹性模量、内胶合强度和2 h吸水厚度膨胀率分别为13.8 MPa、2 183 MPa、0.56 MPa和7.87%,均满足刨花板国家标准GB/T 4897—2015和超薄竹刨花板团体标准T/CNFPLA 3013—2021的要求;与响应面预测值对比,各项指标误差值均在10%以内。制备工艺参数会影响超薄竹刨花板断面密度分布,从而影响内胶合强度和静曲强度等主要物理力学性能。Abstract: Using bamboo particles prepared from bamboo processing residues as raw materials,the production process of 4.5 mm ultra-thin bamboo particleboard was discussed.The effects of different adhesive amounts,hot pressing temperatures,times and pressures on the main physical and mechanical properties of ultra-thin bamboo particleboard were investigated by response surface Box-Behnken design methodology,and the vertical density profile was analyzed.The results indicated that the optimal processing parameters were adhesive amount level of 12.2%,hot pressing temperature of 182℃,hot pressing time of 30 s·mm-1 and hot pressing pressure of 2.7 MPa.Under these conditions,MOR,MOE,IB and TS of the ultra-thin bamboo particleboard were 13.8 MPa,2 183 MPa,0.56 MPa and 7.87%,respectively,which meet China national standard GB/T 4897-2015 and China National Forest Products Industry Association group standard T/CNFPLA 3013-2021.Compared with the predicted values of the response surface,the error values of all indexes were less than 10%.The vertical density profile of ultra-thin bamboo particleboard was affected by the preparation parameters,which influenced the main physical and mechanical properties such as internal bond strength and modulus of rupture.
-
[1] 龚蒙,李玲.定向刨花板在轻型木结构建筑领域的应用:研究现状和前景展望[J].国际木业,2014,44(9):6-14. [2] 肖再然,申伟,刘振东.中国定向刨花板市场[J].国际木业,2020,50(3):41-43. [3] 中国林产工业协会,国家林业和草原局林产工业规划设计院.中国人造板产业报告2021[R].北京:林产工业编辑部,2021. [4] 张曦,陈勇.2019年我国人造板进出口贸易现状[J].中国人造板,2020,27(10):1-7. [5] 常亮,郭文静,吕斌,等.我国刨花板产业现状和发展趋势[J].中国人造板,2017,24(10):1-5. [6] 余进.福建竹产业发展现状与对策研究[J].国际木业,2020,50(1):40-42. [7] Luo P, Yang C, Li M, et al. Manufacture of thin rice straw particleboards bonded with various polymeric methane diphenyl diisocyanate/urea formaldehyde resin mixtures[J]. BioResources, 2020, 15(1):935-944. [8] 中国林产工艺协会.超薄竹刨花板团体标准T/CNFPLA 3013-2021[S].北京:中国林业出版社,2021. [9] 杨渊,吴治超.连续平压热压机生产薄型刨花板质量问题及对策[J].中国人造板,2018,25(9):30-33. [10] 丁晓宁,王伟宏,张显权.刨花形态和施胶量对玉米秸秆刨花板性能的影响[J].木材科学与技术,2021,35(3):31-37. [11] 李杉,赵士猛,时君友,等.工艺参数对大豆基木质刨花板性能的影响[J].林产工业,2021,58(4):17-20. [12] Amini M H M, Sulaiman N S, Bakri M A, et al. Particleboard based on glutardialdehyde treated oil palm trunk particles made at different pressing temperatures[C]. Materials Science Forum, 2020, 1010:483-488. [13] Nadhari W N A W, Abd Karim N, Boon J G, et al. Sugarcane (Saccharum officinarium L.) bagasse binderless particleboard:Effect of hot pressing time study[J]. Materials Today:Proceedings, 2020, 31(13):313-317. [14] 全国人造板标准化技术委员会.人造板及饰面人造板理化性能试验方法GB/T 17657-2013[S].北京:中国标准出版社,2013. [15] 尹宁宁,李文珠,李小晴,等.基于响应曲面法的粉状竹炭密度测试方法探究[J].竹子学报,2021,40(1):59-63. [16] 方坤,吕谷来,盛奎川,等.基于改性大豆蛋白胶黏剂的竹刨花板性能[J].农业工程学报,2008,24(11):308-312. [17] Li Z H, Qi X L, Lan S W, et al. Optimizing properties of ultra-low-density fiberboard via response surface methodology and evaluating the addition of a coupling agent[J]. BioResources, 2019, 14(2):4373-4384. [18] 盛佳乐,陈家宝,巫其荣,等.轻型化竹基混凝土模板热压工艺的响应面优化[J].林业工程学报,2019,4(6):54-61. [19] 喻云水,贺微粒,李立君,等.基于响应面模型的竹胶合板模板力学性能优化[J].北京林业大学学报,2009,31(6):103-107. [20] 蒋明衔,陈奶荣,林巧佳,等.基于响应面法的室内用防腐胶合板制作工艺优化[J].福建农林大学学报(自然科学版),2014,43(1):101-106. [21] 胡守恒,陈李璨,邵迎涛,等.中心组合设计响应面法优化毛竹竹筒车削去青工艺[J].浙江农林大学学报,2020,37(4):787-792. [22] 孙晓东,彭亮,吴义强,等.基于响应面优化竹单板泡沫铝复合材料工艺研究[J].林产工业,2021,58(7):1-5. [23] 全国人造板标准化技术委员会.刨花板GB/T 4897-2015[S].北京:中国标准出版社,2015. [24] 吴跃锋.刨花板断面密度分布与力学性能相关性研究[J].湖南林业科技,2012,41(4):52-54. [25] 张扬,于志明,于赫.纤维板断面密度分布热压形成过程的研究[J].北京林业大学学报,2009,31(3):129-134. [26] 乐磊,谷秀亮,时君友,等.工艺参数对大豆基胶黏剂刨花板密度梯度的影响[J].北华大学学报(自然科学版),2017,18(6):826-830. [27] 张宏健,赵立.PF-MDF剖面密度分布特征的研究[J].北京林业大学学报,1991,13(1):66-75.
点击查看大图
计量
- 文章访问数: 344
- HTML全文浏览量: 64
- PDF下载量: 109
- 被引次数: 0