2011 Fiscal Year Final Research Report
Decomposition of lignin and lignin-carbohydrate complex(LCC) in ionic liquids
| Project/Area Number |
21380111
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Wood science
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| Research Institution | Forestry and Forest Products Research Institute |
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Principal Investigator |
KUBO Satoshi 独立行政法人森林総合研究所, バイオマス化学研究領域, 主任研究員 (50399375)
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| Co-Investigator(Kenkyū-buntansha) |
HASHIDA Kou 独立行政法人森林総合研究所, バイオマス化学研究領域, 主任研究員 (40353809)
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| Project Period (FY) |
2009 – 2011
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| Keywords | イオン液体 / リグニン / リグニン-炭水化物複合体 / 磨砕リグニン / 分解機構 |
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| Research Abstract |
Decomposition pathways of model compounds that have main inter-unit linkages of lignin in an imidazolium ionic liquid varied depending on the differences in the chemical structure of ionic liquids and the presence of phenolic hydroxyl groups. Model compounds of lignin-carbohydrate complex were decomposed via the similar pathway to form allyl-ether substructures. It was revealed that lignin model polymer, milled wood lignin prepared from Sugi wood, was de-polymerized in ionic liquid via the same decomposition pathways of model compounds.
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