Preparation and antiseptic properties of poplar fiber /Si-B composite materials

CHEN Jichao, JIANG Weina, CAO Wenjing, ZHOU Xuliang, ZHOU Xiaoyan, XU Li1, 4*

Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 2018, Vol. 42 ›› Issue (05) : 206-210.

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南京林业大学学报（自然科学版）
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Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 2018, Vol. 42 ›› Issue (05) : 206-210. DOI: 10.3969/j.issn.1000-2006.201706051

Preparation and antiseptic properties of poplar fiber /Si-B composite materials

  • CHEN Jichao1, JIANG Weina2, CAO Wenjing1, ZHOU Xuliang2, ZHOU Xiaoyan3, XU Li1, 4*
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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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CHEN Jichao, JIANG Weina, CAO Wenjing, ZHOU Xuliang, ZHOU Xiaoyan, XU Li1, 4*. Preparation and antiseptic properties of poplar fiber /Si-B composite materials[J]. Journal of Nanjing Forestry University (Natural Sciences Edition）. 2018, 42(05): 206-210 https://doi.org/10.3969/j.issn.1000-2006.201706051

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