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Structure/physical properties control of flexible macroporous nanofiber monoliths by compressive deformation

Research Project

Project/Area Number 17K14541
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Inorganic industrial materials
Research InstitutionTohoku University

Principal Investigator

Hayase Gen  東北大学, 学際科学フロンティア研究所, 助教 (70750454)

Project Period (FY) 2017-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2017: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywordsエアロゲル / マクロ多孔体 / ゾルーゲル / 断熱材 / モノリス / クライオゲル / ゾル-ゲル / ナノファイバー / 力学特性 / 液相合成 / 有機-無機ハイブリッド / ゾル-ゲル法 / モノリス型多孔体 / 無機工業化学 / 多孔体
Outline of Final Research Achievements

Boehmite (aluminum oxide hydroxide composition) nanofiber macroporous monoliths and composites were fabricated by a simple process using a sol-gel method. The mechanism of their specific structure formation was investigated. The porous materials obtained under various conditions were examined for multiple properties such as microstructure observation, bulk density, mechanical properties, thermal conductivity, and visible light transmittance, and evaluated as applied materials. To monoliths that can be plastically processed that are unlikely to crack even when an external force is applied, changes in physical properties due to compressive deformation were investigated.

Academic Significance and Societal Importance of the Research Achievements

分散状態で安定的に扱うことができるナノファイバーはまだ種類が限られており、そのような材料を骨格に用いたモノリス型多孔体はこれまであまり例がない。ベーマイトナノファイバーは分散安定性が高く、再現性よく多孔体作製が可能な希有な材料である。本研究ではベーマイトナノファイバーを複合化することで、従来はみられなかった構造をもつモノリス型多孔体作製やその物性解明に成功するなど、新しい発見があった。圧縮変形による有効的な物性制御はまだ難しいものの、将来の新しい材料技術に繋がっていくものと考えられる。

Report

(3 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • Research Products

    (10 results)

All 2019 2018 2017 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results) Book (1 results) Remarks (2 results)

  • [Journal Article] Fabrication of Boehmite Nanofiber Internally-Reinforced Resorcinol-Formaldehyde Macroporous Monoliths for Heat/Flame Protection2018

    • Author(s)
      Gen Hayase
    • Journal Title

      ACS Applied Nano Materials

      Volume: 1 Issue: 11 Pages: 5989-5993

    • DOI

      10.1021/acsanm.8b01518

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ultralow-Bulk-Density Transparent Boehmite Nanofiber Cryogel Monoliths and Their Optical Properties for a Volumetric Three-Dimensional Display2017

    • Author(s)
      Hayase Gen、Funatomi Takuya、Kumagai Kota
    • Journal Title

      ACS Applied Nano Materials

      Volume: 1 Issue: 1 Pages: 26-30

    • DOI

      10.1021/acsanm.7b00097

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] ゾル-ゲル法による有機-無機ハイブリッド組成モノリス型多孔体の作製と複合化2019

    • Author(s)
      早瀬 元
    • Organizer
      平成30年度東北地区先端高分子セミナー
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] ベーマイトナノファイバーを用いた繊維強化モノリス型多孔体の作製2018

    • Author(s)
      早瀬 元
    • Organizer
      日本セラミックス協会 第31回秋季シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] Fabrication of macroscopic porous structure with boehmite nanofibers2017

    • Author(s)
      Gen Hayase
    • Organizer
      The 19th International Sol-Gel Conference (Sol-Gel 2017)
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] 低密度モノリス型多孔体の簡易作製と三次元空間を利用した応用2017

    • Author(s)
      早瀬 元
    • Organizer
      化学工学会 第49回秋季大会
    • Related Report
      2017 Research-status Report
    • Invited
  • [Presentation] Ultralow-Density Transparent Boehmite Nanofiber Aerogels and Cryogels for Nanoglue2017

    • Author(s)
      Gen Hayase
    • Organizer
      2017 MRS Spring Meeting & Exhibit
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Book] 発泡樹脂、多孔性樹脂の高強度化と応用技術2018

    • Author(s)
      早瀬 元(分担執筆)
    • Total Pages
      378
    • Publisher
      技術情報協会
    • ISBN
      9784861047060
    • Related Report
      2017 Research-status Report
  • [Remarks] Aerogel.jp

    • URL

      https://www.aerogel.jp/

    • Related Report
      2018 Annual Research Report
  • [Remarks] Aerogel.jp

    • URL

      http://www.aerogel.jp/

    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2020-03-30  

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