Development photomechanical gels

• Project/Area Number: 15K05524
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Polymer chemistry
• Research Institution: Tokyo University of Technology
• Principal Investigator: YAMASHITA Takashi 東京工科大学, 工学部, 教授 (70210416)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000); Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2015: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
• Keywords: ゲル / フォトメカニカル / 振動 / フォトクロミック / 相転移 / 自励振動 / アゾベンゼン / ベンゾフェノン / 不均一性

Outline of Final Research Achievements

Polymer gels are expected as the materials for bio-application and micro actuators. Polymer gels containing acrylic amide, photochromic molecules, and sensitizers were prepared and response for photoirradiation was investigated.

Research Products

• [Journal Article] Mechano-Sensitive Synthetic Ion Channels (2017)
  • Author(s): By Muraoka, Takahiro; Umetsu, Kaori; Tabata, Kazuhito V.; Hamada, Tsutomu; Noji, Hiroyuki; Yamashita, Takashi; Kinbara, Kazushi
  • Journal Title: Journal of the American Chemical Society Volume: 133 Pages: 18016-18023
  • Peer Reviewed
• [Journal Article] Mathematical optimization approach for estimating the quantum yield distribution of a photochromic reaction in a polymer (2017)
  • Author(s): M. Tanaka, T. Yamashita, N. Sano, A. Ishigaki, and T. Suzuki:
  • Journal Title: AIP Advances Volume: 7 Pages: 1-11
  • Peer Reviewed
• [Presentation] Photo Responsive Oscillating Gels with Photochromic Dyes and Sensitizers (2017)
  • Author(s): T. Yamashita, A. Kobayashi, K. Saito, S. Sakamoto
  • Organizer: SPIE Nanophotonics Australia
  • Int'l Joint Research
• [Presentation] 熱塩基発生剤を用いたリグニン系材料の硬化反応 (2017)
  • Author(s): 小林史弥, 小林亜由美, 山下俊
  • Organizer: 第 87 回高分子学会関東支部武蔵野地区高分子懇話会
• [Presentation] OMMA固体中におけるベンゾフェノンの燐光寿命の不均一性とその温度依存性 (2017)
  • Author(s): 川島 宏介・岩崎 瑛祐・小林 亜由美・山下 俊
  • Organizer: 第 87 回高分子学会関東支部武蔵野地区高分子懇話会
• [Presentation] Development of Glycol-Lignin Derivatives for High Performance Hybrid Materials (2017)
  • Author(s): T. Yamashita, A. Kobayashi, T. Ebina, R. Ishii, T. Nakamura, T. Yamada, T. T. Nge
  • Organizer: 5th International conference on Bioplastics,
  • Int'l Joint Research
• [Presentation] Photochemically Switchable Catalysts for Surface Relief Generation on Polyimides without Development Process (2017)
  • Author(s): T. Yamashita, A. Kobayashi, F. Kodera
  • Organizer: International Conference on Europa Catalyst
  • Int'l Joint Research
• [Presentation] 基礎から学ぶ光応答性高分子 (2017)
  • Author(s): 山下 俊・小林 亜由美
  • Organizer: 高分子学会光反応電子材料研究会
• [Presentation] Inhomogeneous Quantum Yield Distribution of Photochromic Reactions of Azobenzene in Solid State PMMA (2017)
  • Author(s): Takashi Yamashita, Minori Kimura, Ayumi Kobayashi
  • Organizer: International Conference on Photopolymer Science and Technology
  • Int'l Joint Research
• [Presentation] PMMA固体中におけるベンゾフェノンの燐光寿命の不均一性の解明 (2017)
  • Author(s): 川島 宏介、岩崎 瑛祐、小林 亜由美、山下 俊
  • Organizer: 35 th International Conference on Photopolymer Science and Technology, (Domestic Session)
  • Int'l Joint Research
• [Presentation] Application of Photo-Induced Self-Organized Materials for Surface Property Modulation Patterning (2016)
  • Author(s): T. Yamashita,K. Okano, A. Kobayashi and F. Kodera
  • Organizer: 日本MRS年次大会
  • Place of Presentation: みなと会館（神奈川、横浜）
  • Year and Date: 2016-12-22
  • Invited
• [Presentation] 光誘起自己機能形成材によるパターン構築への応用 (2016)
  • Author(s): 山下俊
  • Organizer: 高分子学会高分子講演会
  • Place of Presentation: 三重大学 (三重県、津市）
  • Year and Date: 2016-09-02
  • Invited
• [Presentation] Photo-Mechanical Materials for Direct Solar Energy Transformation into the Motion of Devices and Sustainable Fabrication Processes (2016)
  • Author(s): T. Yamashita, K. Okano
  • Organizer: International Conference on Energy, Environment and Economics
  • Place of Presentation: Heriot-Watt University, (Edinburgh, UK)
  • Year and Date: 2016-08-16
  • Int'l Joint Research
• [Presentation] 改質リグニンの化学変換による水溶性リグニンの開発および粘土とのハイブリッド化 (2016)
  • Author(s): 松山直人、山下俊
  • Organizer: クレイチームセミナー
  • Place of Presentation: 産業技術総合研究所（宮城県仙台市）
  • Year and Date: 2016-02-18
• [Presentation] 耐熱性樹脂の機能化 (2016)
  • Author(s): 山下俊、松山直人
  • Organizer: クレイチームセミナー
  • Place of Presentation: 産業技術総合研究所（宮城県仙台市）
  • Year and Date: 2016-02-18
• [Presentation] 改質リグニンに反応性基導入による硬化 (2015)
  • Author(s): 山下俊、松山直人、中村考志、石井亮、蛯名武雄
  • Organizer: リグニン討論会
  • Place of Presentation: つくば大学（茨城県つくば市）
  • Year and Date: 2015-11-05
• [Presentation] Highly Durable Chiral Optical Switching Molecules based on Stilbene-Binaphthol Supramolecular System (2015)
  • Author(s): Takashi Yamashita, Takanori Tose
  • Organizer: European Conference on Molecular Electronics 2015
  • Place of Presentation: University of Strasbourg (Strasbourg, France)
  • Year and Date: 2015-09-01
  • Int'l Joint Research