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Novel Black Heat-shielding Inorganic Pigment

Research Project

Project/Area Number 19K05668
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 36020:Energy-related chemistry
Research InstitutionTottori University

Principal Investigator

MASUI Toshiyuki  鳥取大学, 工学部, 教授 (00304006)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords顔料 / 色材 / 遮熱 / 黒色 / 複合酸化物 / 無機顔料 / セリウム / バナジウム / 遮熱顔料 / マンガン / 配位子場理論
Outline of Research at the Start

本研究の最終目標は、高い遮熱性能を有する黒色無機顔料の開発である。研究代表者は、これまでに行ってきたCa2MnO4およびCa2Mn0.85Ti0.15O4複合酸化物の研究成果を踏まえ、以下の3つの課題に取り組む。
[課題1] カルシウムとマンガンの複合酸化物からなる黒色無機顔料の合成と物性評価
[課題2] 組成の最適化
[課題3] 開発顔料の耐薬品性及び耐候性評価

Outline of Final Research Achievements

Novel inorganic black heat-shielding pigments, Ca2Mn0.85-xTi0.15ZnxO4-x (0 < x < 0.10) and Ce1-xGdxVO4 (0 < x < 0.30) were synthesized to realize not only near-infrared reflection to suppress temperature rise, but also visible light absorption to exhibit black color. As a result, it was clarified that the pigments synthesized in this study all showed higher near-infrared reflectance than the commercially available products leading to excellent heat-shielding properties, even though they were all black.

Academic Significance and Societal Importance of the Research Achievements

黒色を呈する顔料は,そのほとんどが可視光と同時に近赤外光を吸収してしまうので,熱を帯びやすいことが知られている.例えば,日射吸収率が高いアスファルト舗装路面は色が黒く,都市部などで問題となっているヒートアイランド現象の一因とされており,その緩和・解消が求められている.本研究で開発した新顔料は黒いにもかかわらず近赤外線を反射するため,熱をため込みにくいことから,上記の解題を解決できる新しい黒色顔料として期待できる.

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (15 results)

All 2022 2021 2020 2019

All Journal Article (7 results) (of which Peer Reviewed: 5 results,  Open Access: 5 results) Presentation (8 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results)

  • [Journal Article] Novel inorganic orange pigments based on BiFeWO<sub>6</sub>2022

    • Author(s)
      Takemura Akari, Shobu Yusuke, Minagawa Kohei, Masui Toshiyuki
    • Journal Title

      Journal of the Ceramic Society of Japan

      Volume: 130 Issue: 1 Pages: 39-43

    • DOI

      10.2109/jcersj2.21097

    • NAID

      130008139170

    • ISSN
      1348-6535, 1882-0743
    • Year and Date
      2022-01-01
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Synthesis and Characterization of Ca1-xEuxZrO3 as Environmentally Friendly Inorganic Yellow Pigments2021

    • Author(s)
      Minagawa Kohei、Nishiguchi Yuichi、Oka Ryohei、Masui Toshiyuki
    • Journal Title

      ACS Omega

      Volume: 6 Issue: 4 Pages: 3411-3417

    • DOI

      10.1021/acsomega.0c05959

    • Related Report
      2021 Annual Research Report 2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Novel Orange Color Pigments Based on La3LiMnO72021

    • Author(s)
      Oka Ryohei, Kotama Jun-ichi, Morimoto Takuro, Masui Toshiyuki
    • Journal Title

      Molecules

      Volume: 26 Issue: 20 Pages: 6243-6243

    • DOI

      10.3390/molecules26206243

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 優環境型の着色無機顔料2021

    • Author(s)
      増井敏行
    • Journal Title

      溶融塩および高温化学

      Volume: 64 Pages: 103-108

    • NAID

      40022714643

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Effect of [MnO6] Octahedra to the Coloring Mechanism of (Li1-xNax)2MnO32020

    • Author(s)
      Oka Ryohei, Kusukami Kohei, Masui Toshiyuki
    • Journal Title

      ACS Omega

      Volume: 5 Issue: 22 Pages: 13108-13114

    • DOI

      10.1021/acsomega.0c01071

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 環境調和型の無機顔料2020

    • Author(s)
      岡 亮平, 増井敏行
    • Journal Title

      セラミックス

      Volume: 55 Pages: 598-601

    • Related Report
      2020 Research-status Report
  • [Journal Article] Improvement of near-infrared (NIR) reflectivity and black color tone by doping Zn2+ into the Ca2Mn0.85Ti0.15O4 structure2019

    • Author(s)
      Oka Ryohei、Iwasaki Senri、Masui Toshiyuki
    • Journal Title

      RSC Advances

      Volume: 9 Issue: 66 Pages: 38822-38827

    • DOI

      10.1039/c9ra07849e

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 優環境型の着色無機顔料2021

    • Author(s)
      増井敏行
    • Organizer
      溶融塩委員会第206回定例委員会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] セリウム複合酸化物を母体とする優環境型黒色遮熱無機顔料2021

    • Author(s)
      森本拓郎,皆川公平,岡 亮平,増井敏行
    • Organizer
      2021年度色材研究発表会
    • Related Report
      2021 Annual Research Report
  • [Presentation] セリウム複合酸化物を母体とする優環境型黒色遮熱無機顔料2021

    • Author(s)
      森本拓郎,皆川公平,岡 亮平,増井敏行
    • Organizer
      日本セラミックス協会第34回秋季シンポジウム
    • Related Report
      2021 Annual Research Report
  • [Presentation] 酸素酸塩系無機顔料の新展開2021

    • Author(s)
      増井敏行
    • Organizer
      日本セラミックス協会第34回秋季シンポジウム
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] CaZrO3を母体とする優環境型黄色無機顔料2021

    • Author(s)
      皆川 公平・西口 雄一・岡 亮平・増井敏行
    • Organizer
      日本セラミックス協会2021年年会
    • Related Report
      2020 Research-status Report
  • [Presentation] [MnO6]八面体が(Li1-xNax)2MnO3の発色機構に及ぼす影響2020

    • Author(s)
      岡 亮平・楠神浩平・増井敏行
    • Organizer
      日本セラミックス協会第33回秋季シンポジウム
    • Related Report
      2020 Research-status Report
  • [Presentation] Novel Inorganic Black Pigments Based on Ca2MnO4 for High Near-Infrared (NIR) Reflectance2019

    • Author(s)
      Oka Ryohei、Iwasaki Senri、Masui Toshiyuki
    • Organizer
      The 36th International Japan-Korea Seminar on Ceramics
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Novel Inorganic Black Pigments Based on Ca2MnO4 for High Near-Infrared (NIR) Reflectance2019

    • Author(s)
      Oka Ryohei、Iwasaki Senri、Masui Toshiyuki
    • Organizer
      PACRIM 13
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

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Published: 2019-04-18   Modified: 2023-01-30  

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