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Synthesis of hollow porous materials by decomposition of the inside of particles and their application to microreactors

Research Project

Project/Area Number 24550231
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Inorganic industrial materials
Research InstitutionTokyo Institute of Technology

Principal Investigator

OKAMOTO Masaki  東京工業大学, 理工学研究科, 准教授 (10262263)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords多孔体 / 中空材料 / ミクロ反応容器 / 中空多孔体 / 二相系反応 / ヒドロホルミル化 / コアーシェル構造体 / コア-シェル構造体 / 塩基処理 / 界面活性剤
Outline of Final Research Achievements

The synthesis method of hollow mesoporous silicas by selective removal of core from core-shell structure was developed. Hydrophobic shell of propyl-group grafted mesoporous silica was formed on hydrophilic core spheres of pure mesoporous silica by particle overgrowth. The core-shell structured spheres were treated with an aqueous ammonia solution with cationic surfactants to remove core selectively. Addition of the hollow spheres as microreactors to two-phase reactions increased reaction rates. Modification of the hollow spheres with phenyl groups further increased the reaction rate. Stirring caused the hollow spheres containing the aqueous phase to be transferred into the organic phase and oil droplets formed in the water phase, causing the reaction rate to be increased. Modifying the mesopore walls with phenyl groups to make the spheres highly hydrophobic increased the amount of spheres that was present in the organic phase, increasing the reaction rate.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (12 results)

All 2015 2014 2013 2012

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (11 results)

  • [Journal Article] Synthesis of core-shell structured porous materials and their applications to catalysts2013

    • Author(s)
      Masaki Okamoto
    • Journal Title

      Journal of the Japan Petroleum Institute

      Volume: 56 Pages: 198-205

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] c軸方向への結晶成長阻害剤を用いるTON型ゼオライトの合成2015

    • Author(s)
      岡本昌樹,西村遥平
    • Organizer
      第115回触媒討論会
    • Place of Presentation
      東京
    • Year and Date
      2015-03-23 – 2015-03-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] 球状鈴型メソ多孔性シリカの合成とミクロ反応容器としての利用2014

    • Author(s)
      岡本昌樹,塚田洋行
    • Organizer
      ゼオライト研究発表会
    • Place of Presentation
      東京
    • Year and Date
      2014-11-26 – 2014-11-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] Kinetic study of two-phase reaction using hollow mesoporous silica spheres as microreactors2014

    • Author(s)
      Aya Sakajiri, Masaki Okamoto
    • Organizer
      石油学会
    • Place of Presentation
      旭川
    • Year and Date
      2014-10-16 – 2014-10-18
    • Related Report
      2014 Annual Research Report
  • [Presentation] 結晶成長方向の制御による短い針状結晶のTON型ゼオライトの合成2014

    • Author(s)
      岡本昌樹,西村遥平
    • Organizer
      石油学会
    • Place of Presentation
      旭川
    • Year and Date
      2014-10-16 – 2014-10-18
    • Related Report
      2014 Annual Research Report
  • [Presentation] Synthesis of hollow mesoporous silica spheres by treatment of core-shell structured mesoporous spheres with alkaline solutions2013

    • Author(s)
      M. Okamoto, H. Tsukada, S. Fukasawa
    • Organizer
      17th International Zeolite Conference
    • Place of Presentation
      モスクワ,ロシア
    • Related Report
      2013 Research-status Report
  • [Presentation] 相間移動を伴うミクロ反応容器として中空メソ多孔性シリカを用いる二相系反応2013

    • Author(s)
      坂尻文,岡本昌樹
    • Organizer
      第29回ゼオライト研究発表会
    • Place of Presentation
      仙台
    • Related Report
      2013 Research-status Report
  • [Presentation] 球状中空メソ多孔性シリカをミクロ反応容器として用いる臭化ナトリウムと塩化ベンジルとのハロゲン交換反応2013

    • Author(s)
      坂尻 文,岡本昌樹
    • Organizer
      石油学会
    • Place of Presentation
      北九州
    • Related Report
      2013 Research-status Report
  • [Presentation] 2相系反応におけるミクロ反応容器としての球状中空メソ多孔性シリカの利用2013

    • Author(s)
      坂尻文,岡本昌樹
    • Organizer
      石油学会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] アルカリ処理による球状中空メソ多孔体の中空形成に及ぼす界面活性剤の添加効果2012

    • Author(s)
      塚田洋行,深澤 峻,岡本昌樹
    • Organizer
      石油学会
    • Place of Presentation
      東京
    • Related Report
      2012 Research-status Report
  • [Presentation] Synthesis of Hollow Silica Spheres with Ordered Mesoporous Structure by Removal of Mesoporous Core from Core-Shell Structured Spheres and their application to drug capsules2012

    • Author(s)
      Masaki Okamoto, Huimin Huang
    • Organizer
      International Symposium on Zeolites and Microporous Crystals, ZMPC2012
    • Place of Presentation
      広島
    • Related Report
      2012 Research-status Report
  • [Presentation] 球状中空メソ多孔体の合成におけるアルカリ処理による中空形成機構2012

    • Author(s)
      塚田洋行・岡本昌樹
    • Organizer
      ゼオライト学会
    • Place of Presentation
      東京
    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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