| Project/Area Number |
03650740
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
高分子合成
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| Research Institution | UNIVERSITY OF TOKYO |
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Principal Investigator |
AIDA Takuzo University of Tokyo Associate Professor Department of Synthetic Chemistry, 工学部, 助教授 (00167769)
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| Project Period (FY) |
1991 – 1992
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| Project Status |
Completed (Fiscal Year 1992)
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| Budget Amount *help |
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1992: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1991: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Keywords | Living Polymerization / Methyl Methacrylate / Lewis Acid / Molecular Weightdistribution / Epoxide / Lactone / Metalloporphyrin / Porphyrin / アルミニウムポルフィリン / 環状エステル / 環状エ-テル |
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| Research Abstract |
Synthesis of controlled architecture macromolecules has been a major objective in the fields of polymer science and chemistry. In this respect, metalloporphyrins are excellent initiators for the controlled polymerization of a wide variety of monomers, and have been provided several new aspects in this field. For example, "Immortal Polymerization" by combination of metalloporphyrin initiators with protic chain transfer agents is a new class of living polymerization that enables the synthesis of narrow MWD polymers with the number of the polymer molecules exceeding that of the initiator molecules. "High-Speed Living Polymerization" by combination of metalloporphyrin initiators with Lewis acids has provided a dramatically rapid synthesis of narrow MWD polymers with Mn exceeding 10^6. Novel "Visible Light-Driven Living Anionic Polymerization and Copolymerization" have been also realized.
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