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Design and development of high-strength biomass elastomers by incorporating hydrogen bonding

Research Project

Project/Area Number 20K15052
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 26040:Structural materials and functional materials-related
Research InstitutionThe University of Tokyo (2021-2022)
Keio University (2020)

Principal Investigator

Kurokawa Naruki  東京大学, 大学院工学系研究科(工学部), 特別研究員 (50837333)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2022: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsバイオマス / エラストマー / 水素結合 / 熱可塑性 / 力学特性 / 高分子 / 再生可能資源 / 生分解性 / 粘弾性 / 自己組織化 / 開環重合
Outline of Research at the Start

高分子材料は工業から医療に至るまで幅広く利用されている一方,その原料は石油に依存しているために,地球温暖化などの環境問題の原因となっている.エラストマーやプラスチックなどの高分子材料の利用に伴う環境問題への対策として,植物などの再生可能資源を原料とし,かつ生分解性を有する高分子材料(バイオマスポリマー)が注目を集め始めている.本研究は,再生可能資源であるリグニンを原料として合成可能な液状高分子であるPoly(4-methyl caprolactone) (PMCL) を水素結合の導入により固形化し,石油由来の汎用エラストマーに匹敵するバイオマスエラストマーを開発することを目的とする.

Outline of Final Research Achievements

In this study, we introduced hydrogen bonds between the molecular chains of poly(4-methyl caprolactone) (PMCL), a liquid polymer which can be derived from biomass materials such as lignin, to develop a biomass elastomer.By using PMCL with hydroxyl groups at both ends as a prepolymer and linking it with diisocyanate, urethane groups that can form hydrogen bonds were introduced, resulting in the solidified PMCL (PMCL-PU). We discovered that the quantity of hydrogen bonds in PMCL-PU could be regulated by varying the molecular weight of the PMCL prepolymer, and that the strength of PMCL-PU could be improved by varying the quantity of hydrogen bonds and changing the type of diisocyanate used for the linking of PMCL prepolymer.

Academic Significance and Societal Importance of the Research Achievements

汎用的な高分子材料の原料は石油に依存し,地球温暖化等の環境問題の原因となっている.この対策として,再生可能資源を原料とし,生分解性を有する高分子(バイオマスポリマー)が注目される.植物からパルプを作る過程で廃棄されるリグニンは芳香環を多く有する化学構造をしており,適切に分解することで多様な芳香族化合物が得られ,バイオマスポリマーの原料として有力視される.本研究では,リグニン由来のp-cresolから合成可能なPMCLに水素結合を導入することで固形化を達成し,汎用性高分子の代替材料となるバイオマスエラストマーとしての利用できる可能性を示した.

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (15 results)

All 2022 2021 2020

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (9 results) (of which Int'l Joint Research: 5 results) Book (1 results)

  • [Journal Article] Compensation for Orientation Birefringence of PMMA by Blending Bottlebrush Polymers Composed of Well-Controlled Graft Chains2022

    • Author(s)
      Tamura Masaki、Kurokawa Naruki、Hotta Atsushi
    • Journal Title

      ACS Macro Letters

      Volume: 11 Issue: 6 Pages: 799-804

    • DOI

      10.1021/acsmacrolett.2c00270

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Highly-toughened and dimensionally-stable TEMPO cellulose nanofiber/bio-PBSA nanocomposites fabricated via Pickering emulsion process2022

    • Author(s)
      Kurokawa Naruki, Matsumoto Kei, Hotta Atsushi
    • Journal Title

      Composites Science and Technology

      Volume: 223 Pages: 109402-109402

    • DOI

      10.1016/j.compscitech.2022.109402

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Morphology and mechanical property of quenched poly(L-lactide)/N,N-dimethylacetamide gels2022

    • Author(s)
      Inukai Shunya、Kurokawa Naruki、Endo Fuyuaki、Maeda Tomoki、Hotta Atsushi
    • Journal Title

      Polymer

      Volume: 242 Pages: 124581-124581

    • DOI

      10.1016/j.polymer.2022.124581

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Controlling the switching temperature of biodegradable shape memory polymers composed of stereocomplex polylactide / poly (D,L-lactide-co-ε-caprolactone) blends2021

    • Author(s)
      Hashimoto Kenta, Kurokawa Naruki, Hotta Atsushi
    • Journal Title

      Polymer

      Volume: 233 Pages: 124190-124190

    • DOI

      10.1016/j.polymer.2021.124190

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Antithrombogenic poly(2-methoxyethyl acrylate) elastomer via triblock copolymerization with poly(methyl methacrylate)2021

    • Author(s)
      Kurokawa Naruki, Endo Fuyuaki, Bito Kenta, Maeda Tomoki, Hotta Atsushi
    • Journal Title

      Polymer

      Volume: 228 Pages: 123876-123876

    • DOI

      10.1016/j.polymer.2021.123876

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] Poly(γ-methylcaprolactone) による水素結合型自己修復性エラストマーの作製2022

    • Author(s)
      高村修平,黒川成貴,堀田篤
    • Organizer
      第71回高分子学会年次大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 水素結合量を変えたPoly(γ-methylcaprolactone) の合成:力学物性と自己修復性2022

    • Author(s)
      高村修平,黒川成貴,堀田篤
    • Organizer
      第71回高分子学会年次大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] ボトルブラシポリマーのブレンドにより実現したPMMAのゼロ配向複屈折2022

    • Author(s)
      黒川成貴,田村正樹,堀田篤
    • Organizer
      第32回日本MRS年次大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Compensation for orientation birefringence of PMMA by bottlebrush polymers with high graft density2022

    • Author(s)
      Masaki Tamura, Naruki Kurokawa, Atsushi Hotta
    • Organizer
      37th International Conference of the Polymer Processing Society (PPS-37)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Mechanical and thermal properties of TEMPO-oxidized cellulose nanofibers/cyclo-olefin polymer nanocomposites fabricated via Pickering emulsion process2022

    • Author(s)
      Kei Matsumoto, Naruki Kurokawa, Atsushi Hotta
    • Organizer
      ACS Spring 2022
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Highly transparent and thermally stable cyclo-olefin polymer nanocomposites with TEMPO-oxidized cellulose nanofibers2022

    • Author(s)
      Kei Matsumoto, Naruki Kurokawa, Atsushi Hotta
    • Organizer
      ACS Spring 2022
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Fabrication of PLLA/dimethyl sulfoxide (DMSO) gels by quenching2021

    • Author(s)
      Iku Ota, Shunya Inukai, Naruki Kurokawa, Atsushi Hotta
    • Organizer
      The 3rd Asian Biomaterials Congress
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Controlling elastic modulus of PLLA/dimethyl sulfoxide (DMSO) gels fabricated by quenching2021

    • Author(s)
      Iku Ota, Shunya Inukai, Naruki Kurokawa, Atsushi Hotta
    • Organizer
      The 3rd Asian Biomaterials Congress
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 側鎖をヨウ素化しX線視認性を付与した生分解性ポリマーの開環重合法による合成2020

    • Author(s)
      大山裕也,黒川成貴,堀田篤
    • Organizer
      日本化学会 第101春季年会
    • Related Report
      2020 Research-status Report
  • [Book] エレクトロスプレー/スピニング法とその応用 第II編 第5章 ポリマーナノコンポジットの強化材2021

    • Author(s)
      黒川成貴,前田知貴,堀田篤
    • Total Pages
      8
    • Publisher
      シーエムシー出版
    • ISBN
      9784781315928
    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2024-01-30  

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