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Analysis and characterization of microstructures of a TiO2/bamboo charcoal composite and modified poplar veneer

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Forestry Studies in China

Abstract

A type of TiO2/bamboo charcoal composite made by a dip-dry method was loaded onto wood veneer with a vacuumpressure method in order to prepare modified poplar veneer. The pore structure parameters and surface morphology of the TiO2/ bamboo charcoal composite were determined and analyzed by means of a porosimetry analyzer and SEM. The results show that the surface morphology of the composite does not change after being loaded with nano TiO2. However, its specific surface area (359.814 m2·g−1), pore volume (0.317 cm3·g−1) and average pore diameter (3.526 nm) increased; particularly the cumulative volume of pores was increased by 65.83%. In addition, the distribution range of the pores was wider than that of the bamboo charcoal. Combining the SEM of unmodified and modified poplar veneer, the results of X-ray photoelectron spectroscopy revealed that actually some TiO2 compounds, i.e., 4.08%, are imbedded in the modified poplar veneer.

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Authors and Affiliations

  1. Bamboo Engineering Research Center, College of Wood Science and Technology, Nanjing Forestry University, Nanjing, 210037, P. R. China

    Da-li Cheng, Shen-xue Jiang & Qi-sheng Zhang

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  1. Da-li Cheng
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  2. Shen-xue Jiang
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  3. Qi-sheng Zhang
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Correspondence to Qi-sheng Zhang.

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Cheng, Dl., Jiang, Sx. & Zhang, Qs. Analysis and characterization of microstructures of a TiO2/bamboo charcoal composite and modified poplar veneer. For. Stud. China 14, 240–245 (2012). https://doi.org/10.1007/s11632-012-0312-1

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  • DOI: https://doi.org/10.1007/s11632-012-0312-1

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