| 木聚糖酶处理对麦秸纤维制板性能的影响机理 |
| |
| 引用本文： | 刘艳萍,张洋,江华,黄润州,周兆兵.木聚糖酶处理对麦秸纤维制板性能的影响机理[J].福建林学院学报,2010,30(4). |
| |
| 作者姓名： | 刘艳萍 张洋 江华 黄润州 周兆兵 |
| |
| 作者单位： | 1. 南京林业大学,江苏,南京,210037;河南省林业科学研究院,河南,郑州,450008
2. 南京林业大学,江苏,南京,210037 |
| |
| 基金项目： | 国家科技部科技人员服务企业行动项目(2009GJC10046); 国家自然科学基金项目(31070492) |
| |
| 摘 要： | 以木聚糖酶为处理剂,脲醛树脂为胶粘剂,压制麦秸纤维板;并借助扫描电子显微镜、傅立叶红外光谱仪和差示扫描量热仪,观察酶处理前后麦秸纤维的微观结构、表面官能团及其与脲醛树脂的热反应。结果表明,采用木聚糖酶处理麦秸纤维制板的内结合强度(IB)、弹性模量(MOE)、静曲强度(MOR)和抗拉强度(TS)均有显著提高;酶处理的麦秸纤维表面粗糙,蜡质层部分脱落和翘起;3300cm-1处的羟基峰增加,纤维素、木质素更多地暴露出来;酶处理麦秸纤维有利于脲醛树脂的固化。
|
| 关 键 词： | 木聚糖酶 麦秸纤维 机理 |
Mechanism of influence of xylanase treatment on properties of wheat-straw fiberboard |
| |
| LIU Yan-ping,ZHANG Yang,JIANG Hua,HUANG Run-zhou,ZHOU Zhao-bing.Mechanism of influence of xylanase treatment on properties of wheat-straw fiberboard[J].Journal of Fujian College of Forestry,2010,30(4). |
| |
| Authors: | LIU Yan-ping ZHANG Yang JIANG Hua HUANG Run-zhou ZHOU Zhao-bing |
| |
| Institution: | LIU Yan-ping1,2,ZHANG Yang1,JIANG Hua1,HUANG Run-zhou1,ZHOU Zhao-bing1(1.Nanjing Forestry University,Nanjing,Jiangsu 210037,China,2.Henan Academy of Forestry,Zhengzhou,Henan 450008,China) |
| |
| Abstract: | Urea formaldehyde resin bonded wheat-straw fiberboard was made from wheat-straw fiber treated with xylanase,performances of wheat-straw fiberboard was investigated.The microstructure,surface functional group and thermal reaction of wheat straw fiber were investigated with scanning electricity microscope,fourier transform infrared spectroscopy and differential scanning calorimetry.The results were as follows:The internal bond strength(IB),modulus of elasticity(MOE) modulus of rupture(MOR) and tensile strengt... |
| |
| Keywords: | xylanase wheat-straw fiber mechanism |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
