硅溶胶改性杨木纤维的工艺及性能

姜维娜,曹文静,徐莉,杨星,周晓燕

南京林业大学学报(自然科学版) ›› 2011, Vol. 35 ›› Issue (01) : 75-78.

PDF(1838537 KB)
PDF(1838537 KB)
南京林业大学学报(自然科学版) ›› 2011, Vol. 35 ›› Issue (01) : 75-78. DOI: 10.3969/j.jssn.1000-2006.2011.01.017
研究论文

硅溶胶改性杨木纤维的工艺及性能

  • 姜维娜,曹文静,徐莉,杨星,周晓燕
作者信息 +

Technology and performance of the modified poplar wood fiber with SiO2 Sol

  • JIANG Weina, CAO Wenjing, XU Li, YANG Xing, ZHOU Xiaoyan
Author information +
文章历史 +

摘要

为了改善木纤维的尺寸稳定性,以硅溶胶-凝胶法制备木纤维/二氧化硅复合材料。结果表明:改性后杨木纤维的质量增加率随溶胶浓度的下降而减小,但溶胶粒子更易进入细胞壁中;为保持木材孔隙结构,采用抽真空的方法将纤维表面和细胞腔中过剩溶胶抽出,木纤维质量增加率先增加后减少;通过扫描电镜能谱仪分析,硅基本处于细胞壁位置;傅里叶变换衰减红外光谱分析显示处理后的木纤维中有Si—O—Si键生成。硅溶胶改性后,杨木纤维板的尺寸稳定性得到一定程度的提高。

Abstract

Poplar wood fiberSiO2 composites were prepared via a solgel process for improving dimentional stability of fiberboards. The results showed that weight percent gain of wood fibers was reduced along with decreasing the concentration of the sol, but the gel particle was easy to permeate through the cell wall at low concentration. In order to keep the porous structure of wood fiber, the surplus sol on the surface and in the lumen was drawn out by vacuum. SiO2 gel could be found in wood cells by scanning electron microscopeenergy dispersive analysis. Si—O—Si bond was found from fourier transform infrared spectrophotometer. The dimentional stability of board was improved at a certain extent after modification by SiO2 gel.

引用本文

导出引用
姜维娜,曹文静,徐莉,杨星,周晓燕. 硅溶胶改性杨木纤维的工艺及性能[J]. 南京林业大学学报(自然科学版). 2011, 35(01): 75-78 https://doi.org/10.3969/j.jssn.1000-2006.2011.01.017
JIANG Weina, CAO Wenjing, XU Li, YANG Xing, ZHOU Xiaoyan. Technology and performance of the modified poplar wood fiber with SiO2 Sol[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2011, 35(01): 75-78 https://doi.org/10.3969/j.jssn.1000-2006.2011.01.017
中图分类号: S653   

参考文献

[1]张忠涛,孙乐智.我国的杨树资源与开发利用[J].林业建设,2001(5):21-24.
[2]宁炜,张璧光,黄淑芹,等. 国内木质复合材料的研究与发展[J]. 木材加工机械,2004,15(1):34-36.
[3]国家林业局森林资源管理司.第六次全国森林资源清查及森林资源状况[J].绿色中国,2005(2):10-12.
[4]孙立,莫小洪,程之强,等.用化学方法制备木材/二氧化硅纳米复合材料[J].中国建材科技, 1998, 7(3): 23-25.
[5]吕文华,赵广杰.杉木木材/蒙脱土纳米复合材料的结构和表征[J].北京林业大学学报, 2007, 29 (1): 131-135.
[6]Miyafuji H,Saka S. Fireresisting properties in several TiO2 woodinorganic composites and their topochemistry[J]. Wood Science and Technology,1997,31(6): 449-455.
[7]王西成,程之强,莫小洪,等.用化学方法制备木材/二氧化硅原位复合材料界面的研究[J].材料工程, 1998(5): 16-18.
[8]王西成,田杰.陶瓷化木材的复合机理[J].材料研究学报, 1996, 10(4): 435-440.
[9]Miyafuji H,Saka S. Na2OSiO2 woodinorganic composites prepared by the solgel process and their fireresistant properties[J]. Journal of Wood Science, 2001, 47(6): 483-489.
[10]Donath S, Militz H, Mai C. Treatment of wood with aminofunctional silanes for protection against wood destroying fungi[J]. Holzforschung, 2006(60): 210-216.
[11]Rivka E,Stanislav G,Peter F. Structures in the cellwall that enable hygroscopic morement of wheat awns[J]. Journal of Structural Biology, 2008, 16(4): 101-107.
[12]欧志翔,邱坚. 木材中SiO2的含量及其作用[J].林业调查规划, 2008, 33 (2): 50-51,57.
[13]鲍甫成,王正,郭文静. 杨木和杉木木材表面性质的研究[J].林业科学, 2004, 40(1): 131-136.
[14]徐峰, 史铁钧, 张克宏, 等. SiO2/杉木粉复合材料的制备和表征[J].复合材料学报, 2007, 24(3):84-88.
[15]王西成,田杰.陶瓷化木纤维的复合机理[J].材料研究学报,1996,10(4):435-440.(责任编辑李燕文)第35卷第1期2011年1月南京林业大学学报(自然科学版)Journal of Nanjing Forestry University (Natural Science Edition)Vol.35, No.1Jan., 2011

基金

收稿日期:2010-04-07修回日期:2010-10-25基金项目:国家自然科学基金项目(30771676);江苏省自然科学基金项目(BK20081842)作者简介:姜维娜(1986—),硕士生。*徐莉(通信作者),教授。Email: Xuliqby@163.com。

PDF(1838537 KB)

Accesses

Citation

Detail

段落导航
相关文章

/