2017 Fiscal Year Final Research Report
Development of a modified wood with decay resistance using gamma radiation
| Project/Area Number |
16K14539
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Nuclear engineering
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| Research Institution | Kyushu University |
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Principal Investigator |
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| Project Period (FY) |
2016-04-01 – 2018-03-31
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| Keywords | 放射線 / ナノ材料 / 木材 / イオン液体 / 防腐 / 保存 / 高分子 |
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| Outline of Final Research Achievements |
An ionic liquid, 1-butyl-3-vinylimidazolium iodide ([BuVyIm]I), was synthesized, and leaching and decay resistance after polymerization within wood were studied. Treated wood specimens of Cryptomeria japonica with 10% and 30% concentration of [BuVyIm]I were evaluated with leaching tests for 10 times of wash with distilled water and dry and decay resistance for 12 weeks with brown rot fungi Fomitopsis palustris. The efficiency of a crosslinking agent TMPTA was also evaluated. The decay test of these specimens showed that the mass loss of wood specimens treated with 10% concentration of [BuVyIm]I diluted with distilled water was less than 3%. The mass loss of specimens treated with 30% concentration of [BuVyIm]I with 3% of TMPTA and mixed liquids with water and ethanol (1:1) was also below 3% of mass loss. From these result, it was found that the treated wood specimens with 10% of [BuVyIm]I had the potential for decay resistance.
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| Free Research Field |
木質科学
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