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タイトル: | Mechanism of microfibril contraction and anisotropic dimensional changes for cells in wood treated with aqueous NaOH solution |
著者: | Nakano, Takato |
著者名の別形: | 中野, 隆人 |
キーワード: | Anisotropic dimensional change Microfibril Sodium hydroxide solution Swelling Shrinking Cell wall |
発行日: | Aug-2010 |
出版者: | Springer Science+Business Media B.V. |
誌名: | Cellulose |
巻: | 17 |
号: | 4 |
開始ページ: | 711 |
終了ページ: | 719 |
抄録: | Anisotropic swelling of wood samples was observed upon treatment with an aqueous NaOH solution with 0–0.20 fraction concentrations. At NaOH concentrations less than 0.10, the swelling occurred only along the tangential axis (T) and not along the radial (R) or longitudinal (L) axes. At greater NaOH levels, the swelling was even more pronounced along T with shrinkage along the other axes. These anisotropic changes along R and L were closely related to the crystallinity of microfibrils in the wood cell wall and simulated with a cell structure model. This exercise revealed microfibril contraction and matrix swelling in the wood cell wall upon NaOH treatment. The observed anisotropy in cross section was caused by differences in the microfibril angles (LR and LT) with the cell wall. |
著作権等: | The original publication is available at www.springerlink.com この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/126692 |
DOI(出版社版): | 10.1007/s10570-010-9414-x |
出現コレクション: | 学術雑誌掲載論文等 |
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