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Solid-state supramolecular polymers: a new era for polymer science

Research Project

Project/Area Number 22KF0396
Project/Area Number (Other) 21F21337 (2021-2022)
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeMulti-year Fund (2023)
Single-year Grants (2021-2022)
Section外国
Review Section Basic Section 35020:Polymer materials-related
Research InstitutionInstitute of Physical and Chemical Research

Principal Investigator

相田 卓三  国立研究開発法人理化学研究所, 創発物性科学研究センター, グループディレクター (00167769)

Co-Investigator(Kenkyū-buntansha) SU ZEBIN  国立研究開発法人理化学研究所, 創発物性科学研究センター, 外国人特別研究員
Project Period (FY) 2023-03-08 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 2023: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 2022: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 2021: ¥900,000 (Direct Cost: ¥900,000)
KeywordsSupramolecular polymers / Self-assembly / Block copolymer / supramolecular polymers / self-assembly / block copolymers / Supramolecyular polymer / Phase seperation
Outline of Research at the Start

A library of novel molecules (or monomers) with thermodynamic incompatible side chains has been designed and synthesized. Supramolecular polymers are formed via “salt-bridge” interaction between. Multiple ordered nano-phase structures have been observed in the solid-state supramolecular polymers.

Outline of Annual Research Achievements

I've successfully developed polymeric materials featuring sub-5nm periodic structures, utilizing solid-state supramolecular polymers. These polymers are assembled from supramolecular monomers, each comprising a carboxylate group, a guanidinium group, and two thermodynamically incompatible oligomers. Through 'salt-bridge' interactions between guanidinium and carboxylate, supramolecular polymerization is facilitated. Confirmation of nanoscale hierarchical structures was achieved via small-angle X-ray scattering and transmission electron microscopy. These polymeric materials, boasting hierarchical structures, exhibit a storage modulus over 26 times higher than their polymer-blending counterparts, which lack ordered structures.

Report

(3 results)
  • 2023 Annual Research Report
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • Research Products

    (2 results)

All 2022

All Presentation (2 results)

  • [Presentation] Solid-state supramolecular polymers with ordered nanostructures2022

    • Author(s)
      Zebin Su
    • Organizer
      The 102nd CSJ Annual Meeting
    • Related Report
      2022 Annual Research Report
  • [Presentation] Solid-State Supramolecular Polymers With Ordered Nanostructures2022

    • Author(s)
      Zebin Su
    • Organizer
      The 102nd CSJ Annual Meeting
    • Related Report
      2021 Annual Research Report

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Published: 2022-02-08   Modified: 2024-12-25  

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