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Synthesis of Poly(Methyl Methacrylate)-Based Polyrotaxane via Reversible Addition-Fragmentation Chain Transfer Polymerization

机译：通过可逆添加 - 碎片链转移聚合合成聚（甲基丙烯酸甲酯）的聚光甲烷

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摘要

A polyrotaxane (PR) with poly(methyl methacrylate) (PMMA) as the main chain polymer was prepared via reversible addition-fragmentation chain transfer (RAFT) polymerization. Because of the special mechanism of RAFT, the suprastructure of a PMMA-based PR is established by synthesizing inclusion complexes of methyl methacrylate and gamma-cyclodextrin (gamma CD) into the middle of the poly-N-(3-dimethylamino) propyl methacrylamide segments. The presence of threaded gamma CD was determined via diffusion ordered spectroscopy from the alignment of the mobility of gamma CD and the main chain polymer. A PMMA-based PR with 2-20% CD coverage and a molecular weight of 7K-60K g/mol of PMMA-based PR was synthesized with a targeted molecular structure by mediating the RAFT polymerization. The PMMA-based PR prepared in this study is expected to be suitable for wide applications of tough materials with good heat resistance. Moreover, the investigation of this synthetical approach opened possibilities for more variety of PR with controllable properties.
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  • 来源
    《ACS Macro Letters》 |2020年第12期|共5页
  • 作者

    Wang Yu-Cheng; Maeda Rina; Kali Gergely; Yokoyama Hideaki; Wenz Gerhard; Ito Kohzo;

  • 作者单位

    Univ Tokyo Mat Innovat Res Ctr MIRC Kashiwa Chiba 2778561 Japan;

    Univ Tokyo Mat Innovat Res Ctr MIRC Kashiwa Chiba 2778561 Japan;

    Univ Innsbruck Ctr Chem &

    Biomed Inst Pharm Dept Pharmaceut Chem A-6020 Innsbruck Austria;

    Univ Tokyo Mat Innovat Res Ctr MIRC Kashiwa Chiba 2778561 Japan;

    Saarland Univ Organ Macromol Chem D-66123 Saarbrucken Germany;

    Univ Tokyo Mat Innovat Res Ctr MIRC Kashiwa Chiba 2778561 Japan;

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  • 正文语种 eng
  • 中图分类 有机化学;
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