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杨木纤维/Si-B复合材料制备及其防腐性能研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2018年05期
Page:
206-210
Column:
研究简报
publishdate:
2018-09-15

Article Info:/Info

Title:
Preparation and antiseptic properties of poplar fiber /Si-B composite materials
Article ID:
1000-2006(2018)05-0206-05
Author(s):
CHEN Jichao1 JIANG Weina2 CAO Wenjing1 ZHOU Xuliang2 ZHOU Xiaoyan3 XU Li1 4*
1. School of Science, Nanjing Forestry University, Nanjing 210037, China; 2. School of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; 3. School of Materials Science and Engineering, Nanjing forestry University, Nanjing 210037, C
Keywords:
poplar wood fiber decay-resistance SiO2 boric acid Sol-gel
Classification number :
TQ59
DOI:
10.3969/j.issn.1000-2006.201706051
Document Code:
A
Abstract:
【Objective】Poplar fiber/Si-B composite was prepared, and its mechanical and antiseptic properties were studied.【Method】Using poplar fibers as the research materials, wood fiber/Si-Bcomposites were prepared via the sol-gel technology.【Results】According to scanning electron microscope-energydispersiveanalysis(SEM-EDXA),Si is present in wood fiber cell walls and the mass fraction of Si in the nanometer-scale pores of cell walls in the wood fiber can reach 3.08%. Fourier transform infrared spectrophotometry(FTIR)results showed a reduction in the number of hydroxyl groups(—OH)of the wood fiber, which is the main reason for the improvement of the dimensional stability of modified fiberboard which was produced with poplar fiber/Si-B composite.【Conclusion】The absorbing water thickness expansion rate of the modified fiberboard was lower than unmodified fiberboard, and the physical and mechanical performance meet the national standard. Moreover, the modified fiberboard also has good resistance to brown-rot fungus and, especially, for white-rot fungus.

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Last Update: 2018-09-15