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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Mechanical interaction between cellulose microfibril and matrix substance in wood cell wall determined by X-ray diffraction

Journal of Wood Science volume 51, pages 334–338 (2005)Cite this article

Abstract

We investigated mechanical interactions between the cellulose microfibril and the matrix substance in wood cell walls. X-ray diffraction measurements showed that the peak positions of (200) and (004) from cellulose crystals in wood cell walls tended to shift lower and higher toward 2θ, respectively, during water desorption in wood. From our simulations, it is shown that the peak shift of (200) during water desorption is not due to changes in the scattering pattern of the amorphous substance or to lateral expansion of the cellulose crystals due to the Poisson effect in the cellulose microfibril, which is compressed in the molecular chain direction as the amorphous substance shrinks. This suggests that the cellulose microfibril expands transversely during water desorption in the wood cell wall, and that there is a mechanical interaction between the cellulose microfibril and the matrix substance.

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Authors and Affiliations

  1. Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan

    Kentaro Abe & Hiroyuki Yamamoto

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  1. Kentaro Abe
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  2. Hiroyuki Yamamoto
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Correspondence to Hiroyuki Yamamoto.

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Abe, K., Yamamoto, H. Mechanical interaction between cellulose microfibril and matrix substance in wood cell wall determined by X-ray diffraction. J Wood Sci 51, 334–338 (2005). https://doi.org/10.1007/s10086-004-0667-6

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  • DOI: https://doi.org/10.1007/s10086-004-0667-6

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