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Novel functional glasses shapable near at ambient temperature

Research Project

Project/Area Number 18H02063
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 36010:Inorganic compounds and inorganic materials chemistry-related
Research InstitutionKansai University

Principal Investigator

KOZUKA Hiromitsu  関西大学, 化学生命工学部, 教授 (80178219)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2020: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Keywordsガラス / 金属オキソオリゴマー / ゾル-ゲル法 / 熱可塑性 / ガラス転移 / 屈折率 / 透明 / ポリオキソメタレート / 有機・無機ハイブリッド / 錯体 / 金属オキソクラスター / 非晶質 / キレート剤 / ゾル-ゲル法 / 配位多面体 / アルコキシド / 透光性
Outline of Final Research Achievements

We have prepared several metal oxo-oligomers that contains titanium, zirconium or zinc as metal atoms and are chemically modified by benzoylacetone, ethyl benzoylacetate, phthalic anhydride or succinic anhydride. We have demonstrated that these chemically modified metal oxo-oligomers are obtained as transparent materials that exhibit glass transition. Some of them had refractive indices higher than 1.7. For some glasses, we found that the glass transition and softening temperatures increase with decreasing chemical modifier content or with increasing drying temperature and time, the refractive index increases with decreasing chemical modifier content or with increasing drying temperature, and the durability in water increases with increasing drying temperature. We also found that the addition of organic polymers can increase the mechanical hardness of such glasses.

Academic Significance and Societal Importance of the Research Achievements

本研究によりガラスであることが実証された一連の化学修飾金属オキソオリゴマー集合体は、室温に近い温度でガラス転移を示す新しいガラス材料群であり、新しい材料を見出した点に学術的意義がある。金属・酸素配位多面体には、高屈折率、磁性、発光、サーモクロミック、エレクトロンバンク、超強酸など、特異な物性・機能をもつものが多い。したがって、金属・酸素配位多面体に根ざした特異な物性・機能をもつガラスを、常温に近い温度でメルトキャストや射出成形により加工・成形できる可能性を示した点で、工業的・社会的意義がある。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (12 results)

All 2020 2019

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (11 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Structure and glass transition of amorphous materials composed of titanium-oxo oligomers chemically modified with benzoylacetone2020

    • Author(s)
      S. Oda, S. Kohara, R. Tsutsui, M. Kasasaku and H. Kozuka
    • Journal Title

      RSC Advances

      Volume: 10 Issue: 27 Pages: 15665-15669

    • DOI

      10.1039/d0ra01047b

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] アルコキシド溶液から作製されるチタニアゲル膜の屈折率と限界厚さに影響を及ぼす因子2020

    • Author(s)
      松下ナナ, 幸塚広光
    • Organizer
      日本セラミックス協会2020年年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] フタル酸-チタニアハイブリッド厚膜の作製と高硬度化2020

    • Author(s)
      幸塚広光, チョウドリー マヒル
    • Organizer
      日本セラミックス協会2020年年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] キレート剤を含有する金属アルコキシドまたは金属塩溶液から作製される新しいガラス材料の屈折率と熱可塑性2020

    • Author(s)
      筒井涼, 幸塚広光
    • Organizer
      第58回セラミックス基礎科学討論会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Preparation and refractive index of titania gel film on plastic substrate by sol-gel method2019

    • Author(s)
      N. Matsushita and H. Kozuka
    • Organizer
      13th Pacific Rim Conference of Ceramic Societies
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Optical properties and thermoplastic properties of amorphous materials prepared from titanium alkoxide solutions containing phthalic acid2019

    • Author(s)
      R. Tsutsui and H. Kozuka
    • Organizer
      13th Pacific Rim Conference of Ceramic Societies
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Optical and thermal properties of new glassy materials composed of titaium oxo-oligomers modified with phthalate ions2019

    • Author(s)
      R. Tsutsui and H. Kozuka
    • Organizer
      The 14th International Symposium in Science and Technology 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] アルコキシド溶液からのプラスチック基板上チタニアゲル膜の生成と屈折率2019

    • Author(s)
      松下ナナ,幸塚広光
    • Organizer
      日本ゾル-ゲル学会第17回討論会,
    • Related Report
      2019 Annual Research Report
  • [Presentation] フタル酸・チタンアルコキシド溶液から合成される有機・無機ハイブリッド材料の光学的性質と熱可塑性2019

    • Author(s)
      筒井涼,幸塚広光
    • Organizer
      日本ゾル-ゲル学会第17回討論会
    • Related Report
      2019 Annual Research Report
  • [Presentation] ゾル-ゲル法から作製したチタニアゲル膜の生成と屈折率2019

    • Author(s)
      松下ナナ, 幸塚広光
    • Organizer
      日本セラミックス協会関西支部第14回学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] カルボン酸・チタンアルコキシド溶液から合成される有機・無機ハイブリッド材料の光学的性質と熱可塑性2019

    • Author(s)
      筒井涼, 幸塚広光
    • Organizer
      日本セラミックス協会関西支部第14回学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] カルボン酸・チタンアルコキシド溶液から合成される非晶質材料の光学的性質と熱可塑性2019

    • Author(s)
      幸塚広光, 筒井涼
    • Organizer
      日本セラミックス協会2019年年会, 東京都(工学院大学新宿キャンパス), 2019年3月24日~26日
    • Related Report
      2018 Annual Research Report

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Published: 2018-04-23   Modified: 2022-01-27  

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