| Project/Area Number |
22500727
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
General human life sciences
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| Research Institution | Osaka Municipal Technical Research Institute |
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Principal Investigator |
KAKEHASHI Rie 地方独立行政法人大阪市立工業研究所, その他部局等, 研究員 (70294874)
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| Co-Investigator(Kenkyū-buntansha) |
TOKAI Naoji 地方独立行政法人大阪市立工業研究所, その他部局等, 研究員 (40416300)
YAMAMURA Shingo 地方独立行政法人大阪市立工業研究所, その他部局等, 研究員 (00416299)
MAEDA Hiroshi 九州大学, 理学(系)・研究科(研究院), 名誉教授 (20022626)
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| Project Period (FY) |
2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Keywords | 洗浄 / 可溶化 / 界面活性剤 / 両親媒性物質 / ミセル / 混合系 / アミンオキシド / 洗浄力 / 構造形成 / アミドアミンオキシド / 起泡力 / 相乗効果 / 臨界ミセル濃度 / ゲル化 / 水素結合 / 分子間相互作用 / スペーサー / ピリジルアミンオキシド / プロトン化 |
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| Research Abstract |
For long alkyl chain amine oxide surfactants, the specific protonation degree dependence of some solution properties has been considered to be due to hydrogen bonding between protonated and deprotonated species. In addition to this type of hydrogen bonding, we have introduced a pyridyl group or amide groups into amine oxide surfactants as new hydrogen-bonding sites. We studied the effect of the chemical structures of the surfactants on solution properties. The intermolecular or intramolecular hydrogen bond formation, the critical micelle concentration, micellar size, detergency, foaming ability, and solubilizing ability for oil-soluble dye could be controlled by the arrangement of hydrogen-bonding sites, spacer length, and alkyl chain length.
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