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クラフトリグニンの化学構造 特に縮合型構造の分布について
http://hdl.handle.net/10076/3399
http://hdl.handle.net/10076/3399c6e2c434-d843-439d-9c71-336a41a8cbf1
名前 / ファイル | ライセンス | アクション |
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AN002343150001202.pdf (586.2 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-06-11 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | クラフトリグニンの化学構造 特に縮合型構造の分布について | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
船岡, 正光
× 船岡, 正光× 阿部, 勲 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 3区分に溶剤分別したクラフトリグニンの性状を主として核交換法およびニトロベンゼン酸化分解法によって解析し、クラフト蒸解過程におけるリグニン分子の変化、特に縮合反応に考察を加えた。パルプ化過程で二次的に形成されたジフェニルメタン型縮合構造は、低分子量区分により高分子量区分でより少なかった。高分子量区分におけるジフェニルメタン型構造は、フェノール・ホルムアルデヒド樹皮型に富むとみなされ、一方低分子量区分には、ジフェニルメタン型縮合構造に加えて、側鎖同志の縮合により不活性化した構造もかなり多く存在することが示唆された。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Industrial kraft lignin (TOKAI Lignin F) was fractionated into three fractions (F-2, F-3 and F-4), based on the solubility to acetone, acetone-water, and methanol. The properties of each fraction were examined by nuclear exchange method and nitrobenzene oxidation. The reactivity of side chains of non-condensed units was similar to that of MWL, in high molecular weight fraction (F-2),whereas, was very low in low molecular weight fraction (F-4). The diphenylmethane types of condensation during the pulping process were less in high molecular weight fraction (F-2), compared with low molecular weight fractions (F-3 and F-4). It was suggested that the diphenylmethane structures in high molecular weight fraction are rich in phenol-formaldehyde resin types, whereas, in low mokecular weight fraction, there are also more amounts of inactive structures condensed secondary between side chains, in addition to diphenylmethane structures. | |||||
書誌情報 |
三重大學農學部演習林報告 = Bulletin of the Mie University Forests 巻 12, p. 27-39, 発行日 1983-10-01 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0544-1005 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00234315 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
日本十進分類法 | ||||||
主題Scheme | NDC | |||||
主題 | 650 | |||||
その他のタイトル | ||||||
en | ||||||
On the Distribution of Condensed Structures in Kraft Lignin | ||||||
出版者 | ||||||
出版者 | 三重大学農学部附属演習林 | |||||
ノート | ||||||
Agropedia提供データ | ||||||
資源タイプ(三重大) | ||||||
Departmental Bulletin Paper / 紀要論文 |