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当前位置: 首页 > 文章 > 笋壳/淀粉复合发泡材料的制备与特性 农业工程学报 2012,28 (11) 250-254
Position: Home > Articles > Preparation and characteristics of foamed bamboo shell/starch composite Transactions of the Chinese Society of Agricultural Engineering 2012,28 (11) 250-254

笋壳/淀粉复合发泡材料的制备与特性

作  者：
王华林;褚红亮;黄君;姜绍通
单  位：
合肥工业大学化学与工程学院;合肥工业大学生物与食品工程学院;合肥工业大学化工学院;合肥工业大学化学工程学院合肥工业大学生物与食品学院
关键词：
制备;淀粉;优化;笋壳;发泡材料;烘焙
摘  要：
为了降低笋壳的环境污染,以笋壳、玉米淀粉为原料,烘焙发泡制备笋壳/淀粉复合发泡材料。应用响应面方法优化发泡工艺条件,采用傅里叶红外光谱仪、扫描电镜等对发泡材料进行结构表征与性能分析。结果显示,NaOH溶液质量分数、偶氮二异丁腈和Na2B4O7·10H2O的用量对发泡体密度的交互影响明显;当笋壳粉5g,淀粉2.5g,发泡温度66℃,发泡时间10h时,最佳工艺条件为:NaOH溶液质量分数9.8%,偶氮二异丁腈1.4g和Na2B4O7·10H2O0.26g,在此条件下,发泡材料泡孔壁较薄,泡孔细密,大小较均匀,大多呈现圆形或近似于圆形;笋壳纤维与淀粉间除了氢键作用外,还通过Na2B4O7·10H2O发生了配位交联反应。研究结果对于改善淀粉发泡材料的性能有参考价值,同时也为竹产业资源综合利用开拓了新的途径。
译  名：
Preparation and characteristics of foamed bamboo shell/starch composite
作  者：
Wang Hualin1, Chu Hongliang1, Huang Jun1, Jiang Shaotong2 (1. School of Chemical Technology, Hefei University of Technology, Hefei 230009, China; 2. School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China)
关键词：
synthesis, starch, optimization, bamboo shoot shell, foam composites, baking method
摘  要：
In order to reduce environment pollution from waste bamboo shoot shell, starch/bamboo shoot shell foam composites were synthesized by baking method from the mixture of bamboo shell and corn starch. Response surface analysis was conducted by using software Design Expert Version 7.0.0 to optimize the foaming parameters, and the foam composites were characterized and analyzed with Fourier transform infrared spectroscopy, scanning electron microscope. The results showed that the interaction effects among NaOH solution mass fraction, 2,2′-Azobis (2-methylpropionitrile) and Na2B4O7·10H2O dosage on the density of foam composites were significant. With bamboo shoot shell powder of 5 g, corn starch of 2.5 g, foaming temperature of 66℃ and foaming time of 10 h, the optimized condition was as following: NaOH mass fraction 9.8%, 2,2′-Azobis(2-methylpropionitrile) 1.4 g and Na2B4O7·10H2O 0.26 g. At above condition, the holes with thin wall in foam composites were fine and uniform, and most holes were circle or similar. The coordinate linkage reaction occurred between bamboo shoot shell fiber and starch through Na2B4O7·10H2O besides the hydrogen bonds. The results can provide references for improving the properties of starch foamed material and comprehensive utilization for the bamboo industry resources.

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