Abstract
Wood is a natural porous material, obtained from trees, whose cell walls consist of cellulose micrifibrils, lignin and hemicelluloses. Cellulose microfibrils in wood cell walls, whose crystalline regions have high Young’s modulus and strength in the direction parallel to the molecular chain axis, play an important rule in mechanical and physical properties of wood. Chemical treatments that cause the transformation of cellulose crystals have been used to improve the mechanical and physical properties of cellulose fibers for a long time. These treatments also cause the changes in cell wall structures of wood and alter the properties of wood.
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Acknowledgments
The author would like to thank Prof. Dr. H. Yano and Dr. K. Abe for their cooperation with X-ray diffraction measurements (Fig. 24.2), and also would like to express sincere gratitude to Prof. Dr. H. Yano for his guidance and advice in performing the study of alkali treatment. The author also would like to gratefully acknowledge the tuition and the support of Prof. Dr. T. Nakano in performing the study of alkali-treated wood.
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Ishikura, Y. (2015). Changes in Wood Properties and Those in Structures of Cellulose Microfibrils in Wood Cell Walls After the Chemical Treatments. In: Pandey, J., Takagi, H., Nakagaito, A., Kim, HJ. (eds) Handbook of Polymer Nanocomposites. Processing, Performance and Application. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-45232-1_67
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DOI: https://doi.org/10.1007/978-3-642-45232-1_67
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