| 脂肪酶处理对麦秸纤维表面性能的影响 |
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| 引用本文： | 刘艳萍,张洋,江华,夏玉宝.脂肪酶处理对麦秸纤维表面性能的影响[J].东北林业大学学报,2009,37(8). |
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| 作者姓名： | 刘艳萍 张洋 江华 夏玉宝 |
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| 作者单位： | 1. 南京林业大学,南京,210037
2. 河南信阳平桥区林业局 |
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| 基金项目： | 国家自然科学基金，教育部博士点基金，江苏省自然科学基金 |
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| 摘 要： | 研究了脂肪酶处理的最佳工艺条件及脂肪酶处理对麦秸纤维表面性能的影响.结果表明,最佳工艺条件为:处理温度50℃,时间12h,pH值7.5,酶用量20g/L.借助扫描电子显微镜和傅立叶红外光谱分析技术,利用酶处理过的麦秸纤维,观察其微观结构和表面官能团的变化,发现经过酶处理的麦秸纤维表面粗糙,蜡质层部分脱落和翘起;3300cm-1处的羟基(-OH)峰增加,有利于提高其胶合性能.
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| 关 键 词： | 脂肪酶 麦秸纤维 表面性能 |
Effect of Lipase Pretreatment on Surface Properties of Wheat Straw Fiber |
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| Liu Yanping,Zhang Yang,Jiang Hua,Xia Yubao.Effect of Lipase Pretreatment on Surface Properties of Wheat Straw Fiber[J].Journal of Northeast Forestry University,2009,37(8). |
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| Authors: | Liu Yanping Zhang Yang Jiang Hua Xia Yubao |
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| Institution: | Liu Yanping,Zhang Yang,Jiang Hua(Nanjing Forestry University,Nanjing 210037,P.R.China),Xia Yubao(the Forestry Bureau of Pingqiao District,Xinyang of Henan Province) |
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| Abstract: | An experiment was conducted to pretreat wheat straw fiber with lipase to improve its surface bonding properties.The effect of lipase pretreatment on surface property of wheat straw fiber was studied.The optimum conditions of pretreatment were obtained as pretreatment temperature 50 degrees C,pretreatment time 12 hours,pH 7.5,and enzyme usage 20 g/L.The microstructure and surface functional group of the pretreated wheat straw fiber were studied with scanning electron microscope(SEM) and frustrated total inte... |
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| Keywords: | Lipase Wheat straw fiber Surface properties |
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