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Analysis of bubble nucleation and growth mechanism and development of a high performance nucleating agent for preparing nanocellular polymer foam

Research Project

Project/Area Number 19350111
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Polymer/Textile materials
Research InstitutionKyoto University

Principal Investigator

OHSHIMA Masahiro  Kyoto University, 大学院・工学研究科, 教授 (60185254)

Co-Investigator(Kenkyū-buntansha) NAGAMINE Shinsuke  京都大学, 大学院・工学研究科, 講師 (30335583)
TAKI Kentaro  京都大学, 大学院・工学研究科, 助教 (70402964)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥11,440,000 (Direct Cost: ¥8,800,000、Indirect Cost: ¥2,640,000)
Fiscal Year 2008: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2007: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Keywordsナノセルラーフォーム / 発泡体 / 発泡成形 / 核生成 / 超臨界二酸化炭素 / 相分離 / マイクロセルラーフォーム / ポリマーブレンド / ナノ発泡体 / テンプレート / 物理発泡 / 発泡核剤 / ナノブレンド / 中空ファイバー / 静電噴霧
Research Abstract

超臨界二酸化炭素を発泡剤として活用し、気泡密度を10^15/cm^3 以上で、数十ナノスケールのサイズの多孔構造をもった高分子発泡材料(ナノセルラーフォーム)を創製することを目指した。気泡が作るセル構造の最小化ならびに高密度化の基本手法として、1)ブレンド高分子のモルフォロジーをテンプレート利用したナノ発泡、2)起泡能力の高い核剤の開発、3)レーザーなどの外部からのエネルギー注入による気泡核生成の制御技術の観点からのアプローチを検討した

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (18 results)

All 2009 2008

All Journal Article (8 results) (of which Peer Reviewed: 5 results) Presentation (10 results)

  • [Journal Article] Nanocellular Foam of PS/PMMA Polymer Blends2008

    • Author(s)
      T. Otsuka, K. Taki, M. Ohshima
    • Journal Title

      Macromol. Mater. Eng. 293

      Pages: 78-82

    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Journal Article] Control of Bubble Size and Location in Nano-/Microscale Cellular Poly(propylene)/Rubber Blend Foams2008

    • Author(s)
      T. Nemoto, J. Takagi, M. Ohshima
    • Journal Title

      293

      Pages: 574-580

    • Related Report
      2008 Final Research Report
  • [Journal Article] Nanoscale Cellular Foams from a Poly(propylene)-Rubber Blend2008

    • Author(s)
      T. Nemoto, J. Takagi, M. Ohshima
    • Journal Title

      Macromol. Mater. Eng. 293

      Pages: 991-998

    • Related Report
      2008 Final Research Report
  • [Journal Article] Preparation of nanowells on a PS-block-PMMA copolymer thin film by Co2 treatment2008

    • Author(s)
      K. Taki, Y. Waratani, M. Ohshima
    • Journal Title

      Macromol. Mater. Eng. 293

      Pages: 589-597

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Control of Bubble Size and Location in Nano-/Microscale Cellular Poly(propylene)/Rubber Blend Foams2008

    • Author(s)
      T. Nemoto, J. Takagi, M. Ohshima
    • Journal Title

      Macrom. Materials Eng. 293

      Pages: 574-580

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Nanoscale Cellular Foams from a Poly(propylene)-Rubber Blend2008

    • Author(s)
      T. Nemoto, J. Takagi, M. Ohshima
    • Journal Title

      Macrom. Materials Eng. 293

      Pages: 991-998

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] NANO CELLULAR FOAMS OF PS/PMMA POLYMER BLENDS2008

    • Author(s)
      Tetsuo Otsuka, Kentaro Taki and Masahiro Ohshima
    • Journal Title

      Macromolecular Materials and Engineering 293 No.1

      Pages: 78-82

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Control of Bubble Size and Location in Nano/Micro-scale Cellular2008

    • Author(s)
      Tomoyuki Nemoto, Jun Takagi and Masahiro Ohshima
    • Journal Title

      Macromolecular Materials and Engineering (in print)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Foam of PLA/PMMA/PS Ternary Polymer Blend2009

    • Author(s)
      N. Abacha, M. Ohshima
    • Organizer
      Polymer Processing Society Meeting PPS 25
    • Place of Presentation
      Goa, India
    • Year and Date
      2009-03-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] Thermally-expandable microcapsules for polymer foaming-its expandability and viscoelasticity2009

    • Author(s)
      Y. Kawaguchi, D. Ito, Y. Kosaka, T. Nakachi, H. Kake, J-K. Kim, H. Shikuma, M. Ohshima
    • Organizer
      ANTEC 2009, Society of Plastic Engineers
    • Place of Presentation
      Chicago
    • Related Report
      2008 Final Research Report
  • [Presentation] Micro Bubbles Letters on Plastics-a technique of ink-free printing2008

    • Author(s)
      H. Shikuma, N. Kubo, M. Yamamoto, A. Kajii, K. Taki, M. Ohshima
    • Organizer
      Polymer Processing Society meeting PPS 24
    • Place of Presentation
      Salerno, Italy
    • Year and Date
      2008-06-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] Effects of Cold Crystallization on Cell Morphology in Microcellular Polyphenylene Sulfide Foam2008

    • Author(s)
      M. Itoh, A. Kabumoto Akira, Ohshima Masahiro
    • Organizer
      Polymer Processing Society Meeting PPS 24
    • Place of Presentation
      Salerno, Italy
    • Year and Date
      2008-06-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Visual Observation of Polymer Foaming in Mold Cavityduring Core-back Type Physical Foam Injection Molding2008

    • Author(s)
      T. Ishikawa, M. Uchida, K. Nozawa, K. Taki, M. Ohshima
    • Organizer
      Polymer Processing Society Meeting PPS 24
    • Place of Presentation
      Salerno, Italy
    • Year and Date
      2008-06-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Micro Bubbles Letters on Plastics-a technique of ink-free print2008

    • Author(s)
      H. Shikuma, N. Kubo, M. Yamamoto, A. Kajii, K. Taki, M. Ohshima
    • Organizer
      Polymer Processing Society meeting PPS 24(S15-364)
    • Place of Presentation
      Salerno, Italy
    • Related Report
      2008 Final Research Report
  • [Presentation] Effects of Cold Crystallization on Cell Morphology in Microcellular Polyphenylene Sulfide Foam2008

    • Author(s)
      M. Itoh, A. Kabumoto, M. Ohshima
    • Organizer
      Polymer Processing Society meeting PPS 24(S-15-365)
    • Place of Presentation
      Salerno, Italy
    • Related Report
      2008 Final Research Report
  • [Presentation] Preparation of Porous Polymeric Materials by Polymer Processing2008

    • Author(s)
      M. Ohshima, T. Nemoto, M. Itoh, A. Kabumoto, J-K, Kim, J-W. Kim, K. Taki
    • Organizer
      International Symposium on Designing, Processing and Properties of Advanced Engineering MaterialsISAEM-2008
    • Place of Presentation
      Nagoya, Invited lecture
    • Related Report
      2008 Final Research Report
  • [Presentation] Nano/Micro-scale Cellular Polypropylene-Rubber Blend Foams, Foams 20082008

    • Author(s)
      T. Nemoto, J. Takagi, M. Ohsihma
    • Related Report
      2008 Final Research Report
  • [Presentation] 静電紡糸高分子ファイバーをテンプレートとしたチタニア中空ファイバーの創製2008

    • Author(s)
      田中 良敬・長嶺 信輔・大嶋 正裕
    • Organizer
      化学工学会第73年会
    • Place of Presentation
      静岡大学
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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