2023 Fiscal Year Final Research Report
Design and Synthesis of Supported Molecular Catalyst on Specified-Shaped Polymers
| Project/Area Number |
21K18854
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| Research Category |
Grant-in-Aid for Challenging Research (Exploratory)
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| Allocation Type | Multi-year Fund |
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| Review Section |
Medium-sized Section 27:Chemical engineering and related fields
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| Research Institution | Tokyo Metropolitan University |
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Principal Investigator |
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| Project Period (FY) |
2021-07-09 – 2024-03-31
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| Keywords | 固定化分子触媒 / 協奏機能触媒 / 精密リビング重合 / 触媒設計 / bottlebrushポリマー / 星型ポリマー / 精密表面修飾 |
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| Outline of Final Research Achievements |
The purpose of this project is the precise synthesis of supported molecular catalysts on the surface of a star-shaped and bottlebrush polymers (BBP). We focused on the metal catalyzed living ring-opening metathesis polymerization (ROMP) of cyclic olefins, and confirmed the expression of the concerted effect among the functional group on the surface of the star-shaped polymers. Moreover, we succeeded cis/trans specific synthesis of bottlebrush polymers by adopting living ring-opening metathesis polymerization using (arylimido)vanadium catalysts for the first time. The resultant cis/trans polymers displayed different properties due to different morphologies affected by the regularity of olefinic double bonds. Synthesis of the supported catalysts on the surface of BBPs is under investigation.
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| Free Research Field |
分子触媒化学、有機金属化学、高分子合成化学
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| Academic Significance and Societal Importance of the Research Achievements |
本課題を通じて得られた成果は、環境調和型社会を実現する上での重要技術である、回収・リサイクル可能な固定化分子触媒を提供するものである。特に分子触媒が本来有する高い触媒活性と高選択率を保持した固定化触媒の報告例は希少で、今後の研究指針に向けての先導的な成果となりうる。
特に官能基の配向が揃った星型・球状・Bottlebrushポリマー表面への固定化は、分子触媒の固定化のみならず、複数の触媒を表面に並べることによる協奏機能効果も期待されることから、固定化触媒の先導的なモデルとしても有用・重要になると思われる。
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