2001 Fiscal Year Final Research Report Summary
Microcapsules doped by metal elements
| Project/Area Number |
11555170
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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 | 展開研究 |
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| Research Field |
Composite materials/Physical properties
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| Research Institution | Gunma University |
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Principal Investigator |
DOBASHI Toshiaki Faculty of Engineering, Gunma University, Professor, 工学部, 教授 (30155626)
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| Co-Investigator(Kenkyū-buntansha) |
ICHIKAWA Kimio Fuji Photo Film Co. Ltd., Fujinomiya Laboratory, Senior Scientist, 富士宮研究所, 主任研究員
YAGIHARA Shin Tokai University, Faculty of Science, Professor, 理学部, 教授 (40191093)
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| Project Period (FY) |
1999 – 2001
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| Keywords | microcapsule / dielectric spectroscopy / ultrasonic method / Metal element / solid-type battery / β-ray therapy |
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| Research Abstract |
The preparation method, structure, physicochemical properties and permeability were studied for microcapsules having poly(urea-urethane) wall membrane doped by metal elements and applied for solid battery and β-ray therapy.
1. Methodology to determine the microcapsule structure was established by means of single-particle light scattering and atomic force microscopy.
2. Theoretical studies on the permeability of the wall membrane was performed to assess the permeability of commercial dyes and pigments from the microcapsules.
3. Application of dielectric spectrometry for dispersed phase was attempted.
4. Combination of structure determination and ultrasonic measurements enabled us to estimate the compressibility of the wall membrane of microcapsules.
5. Mechanism of electric conductivity of microcapsules doped by Lithium compound was clarified.
6. Microcapsules containing Dy chelate compound were prepared and radioactivity from the microcapsules was estimated.
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