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Phase Behavior and Hydration Structure of Nonionic Water-Soluble Polymers in Aqueous Solution

Research Project

Project/Area Number 18750099
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Polymer chemistry
Research InstitutionKyoto University

Principal Investigator

OSA Masashi  Kyoto University, 大学院工学研究科, 講師 (50332721)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,910,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2006: ¥2,300,000 (Direct Cost: ¥2,300,000)
Keywordsポリ(N-イソプロピルアクリルアミド) / 水溶液 / 相挙動 / 水和構造 / 非イオン性 / 高分子水溶液 / ラジカル重合 / リビングアニオン重合 / 末端効果 / 一次構造 / 非イオン性水溶性高分子 / 分枝高分子
Research Abstract

ラジカルおよびリビングアニオン重合法で合成した非イオン性水溶性高分子ポリ(N-イソプロピルアクリルアミド)(PNIPA)の特性解析とその水溶液の曇点について系統的な実験を行い,その結果に基づいて,PNIPA 水溶液が示す特異な相挙動について分子論的に考察した.PNIPA 水溶液の昇温にともなう白濁が相分離に対応するものではなく,水溶液中での会合体の形成に対応しており,その現象が高分子の末端基と一次構造に大きく依存するという,同水溶液の熱力学的理解に必須の基本的知見を与えるとともに,広く非イオン性高分子水溶液を取り扱う際に有用な指針を与えうる成果を得た.

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (31 results)

All 2009 2008 2007 2006

All Journal Article (13 results) (of which Peer Reviewed: 12 results) Presentation (18 results)

  • [Journal Article] ポリ(N-イソプロピルアクリルアミド)の分子構造と水溶液挙動2009

    • Author(s)
      長 昌史
    • Journal Title

      高分子論文集 66巻, (掲載予定)

    • NAID

      10025094091

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Is a Cloud-Point Curve in Aqueous Poly(N-isopropylacrylamide) Solution Binodal?2009

    • Author(s)
      T. Kawaguchi, K. Kobayashi, M. Osa, and T. Yoshizaki
    • Journal Title

      J. Phys. Chem. B vol.113

      Pages: 5440-5447

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Characterization of Linear Poly(N-isopropylacrylamide) and Cloud Points in its Aqueous Solutions2009

    • Author(s)
      K. Kobayashi, S. Yamada, K. Nagaoka, T. Kawaguchi, M. Osa, and T. Yoshizaki
    • Journal Title

      Polym. J vol.41

      Pages: 416-424

    • NAID

      10025091995

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] ポリ(N-イソプロピルアクリルアミド)の分子構造と水溶液挙動2009

    • Author(s)
      長昌史
    • Journal Title

      高分子論文集 66

    • NAID

      10025094091

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Is a "Cloud-Point Curve" in Aqueous Poly(N-isonronylacrylamide) Solution Binodal?2009

    • Author(s)
      T. Kawaguchi, K. Kobayashi, M. Osa, T. Yoshizaki
    • Journal Title

      Journal of Physical Chemistry B 113

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Characterization of Linear Poly(N-isopropylacrylamide) and Cloud Points in its Aqueous Solutions2009

    • Author(s)
      K. Kobayashi, S. Yamada, K. Nagaoka, T. Kawaguchi, M. Osa, T. Yoshizaki
    • Journal Title

      Polymer Journal 41

    • NAID

      10025091995

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Primary Structure of Poly(N-isopropylacrylamide) Synthesized by Radical Polymerization. Effects of Polymerization Solvents2008

    • Author(s)
      T. Kawaguchi, Y. Kojima, M. Osa, and T. Yoshizaki
    • Journal Title

      Polym. J vol.40

      Pages: 528-533

    • NAID

      10021118082

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cloud Points in Aqueous Poly(N-isopropylacrylamide) Solutions2008

    • Author(s)
      T. Kawaguchi, Y. Kojima, M. Osa, and T. Yoshizaki
    • Journal Title

      Polym. J vol.40

      Pages: 455-459

    • NAID

      10021117777

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Primary Structure of Poly(N-isopropylacrylamide) Synthesized by Radical Polymerization. Effects of2008

    • Author(s)
      T. Kawaguchi, Y. Kojima, M. Osa, T. Yoshizaki
    • Journal Title

      Polymer Journal 40

      Pages: 528-533

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cloud Points in Aqueous Poly(N-isopropylacrylamide) Solutions2008

    • Author(s)
      T. Kawaguchi, Y. Kojima, M. Osa, T. Yoshizaki
    • Journal Title

      Polymer Journal 40

      Pages: 455-459

    • NAID

      10021117777

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cloud Points in Aqueous Poly (N-isopropylacrylamide) Solutions2008

    • Author(s)
      Tomoaki KAWAGUCHI, Yosuke KOJIMA, Masashi OSA, Takenao YOSHIZAKI
    • Journal Title

      Polymer Journal 40(印刷中)

    • NAID

      10021117777

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Primary Structure of Poly (N-isopropylacrylamide) Synthesized by Radical Polymerization. Effects of Polymerization Solvents2008

    • Author(s)
      Tomoaki KAWAGUCHI, Yosuke KOJIMA, Masashi OSA, Takenao YOSHIZAKI
    • Journal Title

      Polymer Journal 40(印刷中)

    • NAID

      10021118082

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fine characterization of oligomers and polymers in dilute solution2006

    • Author(s)
      Masashi Osa
    • Journal Title

      Science and Technology of Advanced Materials 7

      Pages: 578-578

    • Related Report
      2006 Annual Research Report
  • [Presentation] 直鎖ポリ(N-イソプロピルアクリルアミド)の希薄溶液物性-みみず鎖モデルによる解析2008

    • Author(s)
      河口知晃,永岡洪太,小林邦彦,長 昌史, 崎武尚
    • Organizer
      第57回高分子討論会
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 希薄溶液中におけるポリ(N-イソプロピルアクリルアミド)の会合体形成2008

    • Author(s)
      河口知晃,小林邦彦,長 昌史、吉崎武尚
    • Organizer
      第54回高分子研究発表会(神戸)
    • Place of Presentation
      兵庫県中央労働センター
    • Year and Date
      2008-07-18
    • Related Report
      2008 Final Research Report
  • [Presentation] ポリ(N-イソプロピルアクリルアミド)の希薄溶液物性-みみず鎖モデルによる解析2008

    • Author(s)
      永岡洪太,河口知晃,小林邦彦,長 昌史,吉崎武尚
    • Organizer
      第54回高分子研究発表会(神戸)
    • Place of Presentation
      兵庫県中央労働センター
    • Year and Date
      2008-07-18
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 希薄溶液甲におけるポリ(N-イソプロビルアクリルアミド)の会合体形成2008

    • Author(s)
      河口知晃, 小林邦彦, 長昌史, 吉崎武尚
    • Organizer
      第54回高分子研究発表会(神戸)
    • Place of Presentation
      兵庫県中央労働センター
    • Year and Date
      2008-07-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] ポリスチレンとポリ(α-メチルスチレン)の非摂動広がりの温度依存性2008

    • Author(s)
      長 昌史
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-30
    • Related Report
      2008 Final Research Report
  • [Presentation] ポリ(N-イソプロピルアクリルアミド)水溶液の希薄溶液挙動-会合挙動2008

    • Author(s)
      河口知晃,小林邦彦,長 昌史,吉崎武尚
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-29
    • Related Report
      2008 Final Research Report
  • [Presentation] ポリ(N-イソプロピルアクリルアミド)の希薄溶液挙動-会合挙動2008

    • Author(s)
      河口知晃, 小林邦彦, 長昌史, 吉崎武尚
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Phase Behavior of Aqueous Solutions of Poly(N-isopropylacrylamide)2008

    • Author(s)
      T. Kawaguchi, K. Kobayashi, M. Osa, and T. Yoshizaki
    • Organizer
      American Physical Society MAR08 Meeting
    • Place of Presentation
      New Orleans, LA, US
    • Year and Date
      2008-03-12
    • Related Report
      2008 Final Research Report
  • [Presentation] "Phase" Behavior of Aqueous Solutions of Poly (N-isopropylacrylamide)2008

    • Author(s)
      Tomoaki KAWAGUCHI, Yosuke KOJIMA, Masashi OSA, Takenao YOSHIZAKI
    • Organizer
      The American Physical Society MAR08 Meeting
    • Place of Presentation
      New Orleans, LA, USA
    • Year and Date
      2008-03-12
    • Related Report
      2007 Annual Research Report
  • [Presentation] ポリ(N-イソプロピルアクリルアミド)水溶液の相挙動[IV]-曇点曲線と共存曲線2007

    • Author(s)
      小林邦彦,河口知晃,長 昌史,吉崎武尚
    • Organizer
      第56回高分子討論会
    • Place of Presentation
      名古屋工業大学
    • Year and Date
      2007-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Light Scattering Study of Well-defined Flexible Polyelectrolyte with Two Cationic Sites per Monomeric Unit2007

    • Author(s)
      M. Osa, G. Mountrichas, K. Hong, S. Pispas, P. F. Britt, and J. W. Mays
    • Organizer
      American Chemical Society 234th National Meeting
    • Place of Presentation
      Boston, MA, US
    • Year and Date
      2007-08-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 直鎖ポリ(N-イソプロピルアクリルアミド)水溶液の相挙動[II]2007

    • Author(s)
      小林邦彦,河口知晃,山田 聖,長 昌史,吉崎武尚
    • Organizer
      第53回高分子研究発表会(神戸)
    • Place of Presentation
      兵庫県中央労働センター
    • Year and Date
      2007-07-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Recent Advances in Studies of Dilute Solution Properties of Oligomers and Polymers2007

    • Author(s)
      M. Osa
    • Organizer
      Polymer Division Seminar
    • Place of Presentation
      National Institute of Standard and Technology, Gaithersburg, MD, US
    • Year and Date
      2007-07-09
    • Related Report
      2008 Final Research Report
  • [Presentation] First Cumulant of the Dynamic Structure Factor for Flexible Polymers. Excluded-Volume Effect2007

    • Author(s)
      M. Osa, N. Sawatari, T. Yoshizaki, and H. Yamakawa
    • Organizer
      American Chemical Society 233rd National Meeting
    • Place of Presentation
      Chicago, IL, US
    • Year and Date
      2007-03-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Temperature Coefficients of Unperturbed Chain Dimensions for Flexible Polymers2007

    • Author(s)
      M. Osa, H. Kanda, T. Yoshizaki, and H. Yamakawa
    • Organizer
      American Physical Society MAR07 Meeting
    • Place of Presentation
      Denver, CO, US
    • Year and Date
      2007-03-07
    • Related Report
      2008 Final Research Report
  • [Presentation] 屈曲性高分子の動的構造因子一次キュムラントに対する排除体積効果2006

    • Author(s)
      長 昌史,猿渡伸生,吉崎武尚,山川裕巳
    • Organizer
      第55回高分子討論会
    • Place of Presentation
      富山大学
    • Year and Date
      2006-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 直鎖ポリ(N-イソプロピルアクリルアミド)水溶液の相挙動2006

    • Author(s)
      山田 聖,河口知晃,小林邦彦,長 昌史,吉崎武尚
    • Organizer
      第52回高分子研究発表会(神戸)
    • Place of Presentation
      兵庫県中央労働センター
    • Year and Date
      2006-07-21
    • Related Report
      2008 Final Research Report
  • [Presentation] ポリ(N-イソプロピルアクリルアミド)水溶液の相挙動[III]-リビング重合で調製した直鎖試料2006

    • Author(s)
      河口知晃,山田 聖,小林邦彦,長 昌史,吉崎武尚
    • Organizer
      第55回高分子学会年次大会
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2006-05-25
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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