| Project/Area Number |
23760721
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Properties in chemical engineering process/Transfer operation/Unit operation
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| Research Institution | Hiroshima University |
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Principal Investigator |
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| Project Period (FY) |
2011 – 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: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2011: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Keywords | 高分子微粒子 / AFM / ソープフリー乳化重合 / ミクロン粒子 / π電子 / ポリスチレンコロイドプローブ / ポリスチレン |
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| Research Abstract |
Water-soluble initiator was usually used in soap-free emulsion polymerization. In this research, oil-soluble initiator, AIBN, was utilized in this system. To enhance particle growth by coagulation process, electrolyte was added into the system to synthesize polymeric particle with the size from 0.5 to 20 μm. Although the oil-soluble initiator was used, particles with negative charges, zeta potential of -45 mV, were synthesized. One of the origins of the negative charge was pi electron cloud in the aromatic vinyl monomer used in the polymerization.
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