Nanoscopic Science of Hyper Gels Based on Neutron Scattering

2008 Fiscal Year Final Research Report

• Project/Area Number: 18205025
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Polymer/Textile materials
• Research Institution: The University of Tokyo
• Principal Investigator: SHIBAYAMA Mitsuhiro The University of Tokyo, 物性研究所, 教授 (00175390)
• Co-Investigator(Kenkyū-buntansha): HARAGUCHI Kazutoshi , (財)川村理化学研究所, 所長 (10373391) ; ENDO Hitoshi 東京大学, 物性研究所, 助教 (40447313)
• Project Period (FY): 2006 – 2008
• Keywords: 中性子散乱 / ゲル / 高性能材料 / 光散乱

Research Abstract

中性子散乱法を用いて、環境応答型ゲルや驚異的な物性を誇るハイパーゲルの精密構造解析を行い、環境応答性や物性発現メカニズムを解明した。得られた構造情報を成分高分子の分子量、および温度や圧力、濃度といった環境因子の関数で記述することで、相転移や相分離といった劇的構造変化の背景にある物理現象の本質を把握し、疎水性相互作用と圧力の関係の究明、高性能高分子ゲルの物性発現の由来や高延伸性のメカニズムの解明など、物性物理に関わる多くの有用な研究成果を挙げた。

Research Products

• [Journal Article] Vulcanization : New Focus on a Traditional Technology by Small-Angle Neutron Scattering (2009)
  • Author(s): Ikeda, Y., Higashitani, N., Hijikata, K., Kokubo, Y., Norita, Y., Shiabayama, M., Osaka, N., Suzuki, T., Endo, H. & Kohjiya, S
  • Journal Title: Macromolecules 42 Pages: 2741-2748
  • Peer Reviewed
• [Journal Article] Structure Investigation of Super-Tough Polymer Gels by Small-Angle Neutron Scattering (2009)
  • Author(s): Shibayama, M
  • Journal Title: J. Phys. Soc. Jpn 78 Pages: 041008-1-041008-7
  • Peer Reviewed
• [Journal Article] Structure characterization of Tetra-PEG Gel by Small-angle Neutron Scattering (2009)
  • Author(s): Matsunaga, T., Sakai, T., Akagi, Y., Chung, U. & Shibayama, M
  • Journal Title: Macromolecules 42 Pages: 1344-1351
  • Peer Reviewed
• [Journal Article] Interaction of Nanogel with Cyclodextrin or Protein : Study by Dynamic Light Scattering and Small-angle Neutron Scattering (2009)
  • Author(s): Inomoto, N., Osaka, N., Suzuki, T., Hasegawa, U., Ozawa, Y., Endo, H., Akiyoshi, K. & Shibayama, M
  • Journal Title: Polymer 50 Pages: 541-546
  • Peer Reviewed
• [Journal Article] Structural characterization of ionic gelator studied by dynamic light scattering and small angle neutron scattering (2008)
  • Author(s): Kundu, S. K., Osaka, N., Matsunaga, T., Yoshida, M. & Shibayama, M
  • Journal Title: The Journal of Physical Chemistry B 112 Pages: 16469-16477
  • Peer Reviewed
• [Journal Article] Concentration-induced conformational change in linear polymer threaded into cyclic molecules (2008)
  • Author(s): Mayumi, K., Osaka, N., Endo, H., Yokoyama, H., Sakai, Y., Shibayama, M. & Ito, K
  • Journal Title: Macromolecules 41 Pages: 6480-6485
  • Peer Reviewed
• [Journal Article] pH Dependence of Macroscopic Swelling and Microscopic Structures for Therm/pH Sensitive Gels Having Different Charge Distribution (2008)
  • Author(s): Suzuki, T., Takeshi, K., Ikkai, F. & Shibayama, M
  • Journal Title: Macromolecules 41 Pages: 9882-9889
  • Peer Reviewed
• [Journal Article] Rheological Study on Rapid Recovery of Hydrogel Based on Oligomeric Electrolyte (2008)
  • Author(s): Kundu, S. K., Matsunaga, T., Yoshida, M. & Shibayama, M
  • Journal Title: J. Phys. Chem. B 112 Pages: 11537-11541
  • Peer Reviewed
• [Journal Article] Design and fabrication of a high-strength hydrogel with ideally homogeneous network structure from tetrahedron-like macromonomers (2008)
  • Author(s): Sakai, T., Matsunaga, T., Yamamoto, Y., Ito, C., Yoshida, R., Suzuki, S., Sasaki, N., Shibayama, M. & Chung, U
  • Journal Title: Macromolecules 41 Pages: 5379-5384
  • Peer Reviewed
• [Journal Article] Structure of Nanocomposite Hydrogel Investigated by Means of Contrast Variation Small Angle Neutron Scattering (2008)
  • Author(s): Endo, H., Miyazaki, S., Haraguchi, K. & Shibayama, M
  • Journal Title: Macromolecules 41 Pages: 5406-5411
  • Peer Reviewed
• [Journal Article] Comparison of Heatand Pressure-Induced Gelation of β-Lactoglobulin Aqueous Solutions Studied by Small-angle Neutron and Dynamic Light Scattering (2008)
  • Author(s): Osaka, N., Takata, S., Suzuki, T., Endo, H. & Shibayama, M
  • Journal Title: Polymer 49 Pages: 2957-2963
  • Peer Reviewed
• [Journal Article] Analysis of surface structure and hydrogen/deuterium exchange of colloidal silica suspension by contrast-variation small-angle neutron scattering (2008)
  • Author(s): Suzuki, T., Endo, H. & Shibayama, M
  • Journal Title: Langmuir 24 Pages: 4537-4543
  • Peer Reviewed
• [Journal Article] Comparative Studies on the Conformational Change and Aggregation Behavior of Irradiated Carrageenans and Agar by Dynamic Light Scattering (2008)
  • Author(s): Abad, L., Okabe, S., Shibayama, M., Kudo, H., Saiki, S., Aranilla, C., Relleve, L. & de la Rosa, A
  • Journal Title: Int. J.Biol.Macromol 42 Pages: 55-61
  • Peer Reviewed
• [Journal Article] Investigation of Miscibility between iPP and propylene-butene random copolymer by Small-Angle Neutron Scattering (2007)
  • Author(s): Nozue, Y., Sakurai, T., Hozumi, H., Kasahara, T., Yamaguchi, N., Shibayama, M. & Matsushita, Y
  • Journal Title: Macromolecule 40 Pages: 273-277
  • Peer Reviewed
• [Journal Article] Complementary Use of SANS and DLS Studies for Structure Analysis and Dynamics of Polymer Gels (2007)
  • Author(s): Shibayama, M., Karino, T., Domon, Y. & Ito, K
  • Journal Title: J. Appl. Cryst 40 Pages: s43-s47
  • Peer Reviewed
• [Journal Article] Current Status of the 32 m small-angle neutron scattering instrument, SANS-U (2007)
  • Author(s): Okabe, S., Karino, T., Nagao, M. & Shibayama, M
  • Journal Title: Nuclear Inst. and Methods in Physics Research 572 Pages: 853-858
  • Peer Reviewed
• [Journal Article] Nonuniformity in Natural Rubber as revealed by SANS, SAXS, and AFM (2007)
  • Author(s): Karino, T., Ikeda, Y., Yasuda, Y., Kohjiya, S. & Shibayama, M
  • Journal Title: Biomacromolecules 8 Pages: 693-699
  • Peer Reviewed
• [Journal Article] Microstructure of N-Isopropylacrylamide-Acrylic Acid Copolymer Gels Having Different Spatial Configurations of Weakly Charged Groups (2007)
  • Author(s): Ikkai, F., Suzuki, T., Karino, T. & Shibayama, M
  • Journal Title: Macromolecules 40 Pages: 1140-1146
  • Peer Reviewed
• [Journal Article] Gel-Size Dependence of Temperature-Induced Microphase Separation in Weakly-Charged Polymer Gels (2007)
  • Author(s): Ikkai, F. & Shibayama, M
  • Journal Title: Polymer 48 Pages: 2387-2394
  • Peer Reviewed
• [Journal Article] Structures and Dynamics of N-isopropylacrylamide/Acrylic Acid Copolymer Gels Prepared by Cross-linker-Free UV-Induced Polymerization (2007)
  • Author(s): Suzuki, T., Ikkai, F. & Shibayama, M
  • Journal Title: Macromolecules 40 Pages: 2509-2514
  • Peer Reviewed
• [Journal Article] Difference in Lower Critical Solution Temperature Behavior Between Random Copolymers and a Homopolymer Having Solvatophilic and Solvatophobic Structures in an Ionic Liquid (2007)
  • Author(s): Ueki, T., Karino, T., Kobayashi, Y., Shibayama,M. & Watanabe, M
  • Journal Title: J. Phys. Chem. B 111 Pages: 4750-4754
  • Peer Reviewed
• [Journal Article] Gelation Mechanism of Poly(N-isopropylacrylamide)-Clay Nanocomposite Gels (2007)
  • Author(s): Miyazaki, S., Endo, H., Karino, T., Haraguchi, K. & Shibayama, M
  • Journal Title: Macromolecules 40 Pages: 4287-4295
  • Peer Reviewed
• [Journal Article] K., Deformation Studies on Polymer-Clay Nanocomposite Gels, Macromol (2007)
  • Author(s): Shibayama, M., Miyazaki, S., Endo, H., Karino, T. & Haraguchi, K
  • Journal Title: Sympo 256 Pages: 131-136
  • Peer Reviewed
• [Journal Article] Molecular Basis of the Shish-Kebab Morphology in Polymer Crystallization (2007)
  • Author(s): Kimata, S., Sakurai, T., Nozue Y., Kasahara, T., Yamaguchi, N., Shibayama, M. & Kornfield, J. A
  • Journal Title: Science 316 Pages: 1014-1017
  • Peer Reviewed
• [Journal Article] Pressure-Induced Reentrant Micellization of Amphiphilic Block Copolymers in Dilute Aqueous Solutions (2007)
  • Author(s): Osaka, N., Miyazaki, S., Okabe, S., Endo, H., Sasai, A., Seno, K., Aoshima, S., & Shibayama, M
  • Journal Title: J. Chem. Phys 127 Pages: 094905-1-094905-5
  • Peer Reviewed
• [Journal Article] Gel Point Determination of Gelatin Hydrogels by Dynamic Light Scattering and Rheological Measurements (2007)
  • Author(s): Matsunaga, T. & Shibayama, M
  • Journal Title: Phys.Rev.E, Rapid. Commun 76 Pages: 030401-1-030401-4
  • Peer Reviewed
• [Journal Article] (2007)
  • Author(s): Shibayama. M., Kawada, H., Kume, T., Sano, T., Matsunaga, T., Osaka, N., Miyazaki, Okabe, S. & Endo, H
  • Journal Title: J. Chem. Phys 127 Pages: 144507-1-144507-7
  • Peer Reviewed
• [Journal Article] A Periodic Structure in aMixture of D2O/3-Methylpyridine/NaBPh4 Induced by Solvation Effect (2007)
  • Author(s): Sadakane, K., Seto, H., Endo H. & Shibayama, M
  • Journal Title: J. Phys. Soc. Jpn 76 Pages: 113602-1-113602-3
  • Peer Reviewed
• [Journal Article] Sol-gel transition of hydrophobically modified polyrotaxane (2006)
  • Author(s): Karino, T., Zhao, C., Okumura, Y., Kidowaki, M., Kataoka, T., Ito, K. & Shibayama, M
  • Journal Title: Macromolecules 39 Pages: 9435-9440
  • Peer Reviewed
• [Journal Article] Clay Concentration Dependence of Microstructure in Deformed Poly (N-isopropylacrylamide)-Clay Nanocomposite Gels (2006)
  • Author(s): Miyazaki, S., Karino, T., Endo, H., Haraguchi, K. & Shibayama, M
  • Journal Title: Macromolecules 39 Pages: 8112-8120
  • Peer Reviewed
• [Journal Article] Small-angle Neutron Scattering Study on Block and Gradient Copolymer Aqueous Solutions (2006)
  • Author(s): Okabe, S., Seno, K., Kanaoka, S., Aoshima, S. & Shibayama, M
  • Journal Title: Polymer 47 Pages: 7572-7579
  • Peer Reviewed
• [Journal Article] Microand Macro- Phase Separations of Hydrophobically Solvated Block Copolymer Aqueous Solutions Induced by Pressure and Temperature (2006)
  • Author(s): Osaka, N., Okabe, S., Karino, T., Hirabaru, Y., Aoshima, S. & Shibayama, M
  • Journal Title: Macromolecules 39 Pages: 5875-5884
  • Peer Reviewed
• [Journal Article] SANS Study on Pulley Effect of Slide-ring Gel (2006)
  • Author(s): Karino, T., Shibayama, M., Okumra, Y. & Ito, K
  • Journal Title: Physica B 385-386 Pages: 807-809
  • Peer Reviewed
• [Journal Article] Pressure effect on semi-microscopic structures in a nonionic microemulsion (2006)
  • Author(s): Nagao, M., Seto, H., Ihara, D., Shibayama, M. & Takeda, T
  • Journal Title: Physica B 385-386 Pages: 783-786
  • Peer Reviewed
• [Journal Article] Structural transition in block and gradient copolymer aqueoussolutions (2006)
  • Author(s): Okabe, S., Fuse, C., Sugihara, S., Aoshima, S. & Shibayama, M
  • Journal Title: Physica B 385-386 Pages: 756-758
  • Peer Reviewed
• [Journal Article] SANS study of hydrophobic effects on pressure-induced micro- and macrophase separations of block copolymers (2006)
  • Author(s): Osaka, N., Okabe, S., Karino, T., Hirabaru, Y., Aoshima, S. & Shibayama, M
  • Journal Title: Physica B 385-386 Pages: 749-751
  • Peer Reviewed
• [Journal Article] Slide-ring gel : Topological gel with freely movable cross-links (2006)
  • Author(s): Karino, T., Shibayama, M., Okumra, Y. & Ito, K
  • Journal Title: Physica B 385-386 Pages: 692-696
  • Peer Reviewed
• [Journal Article] Distribution Analyses of Multi-modal Dynamic Light Scattering Data (2006)
  • Author(s): Shibayama, M., Karino, T. & Okabe, S
  • Journal Title: Polymer 47 Pages: 6446-6456
  • Peer Reviewed
• [Journal Article] Small-angle Neutron Scattering Study on Irradiated Kappa Carrageenan (2006)
  • Author(s): Abad, L., Okabe, S. & Shibayama, M
  • Journal Title: Physica B 381 Pages: 103-108
  • Peer Reviewed
• [Journal Article] Micellization Study on Block and Gradient Copolymer Aqueous Solutions by DLS and SANS (2006)
  • Author(s): Okabe, S., Seno, K., Kanaoka, S., Aoshima, S. & Shibayama, M
  • Journal Title: Macromolecules 39 Pages: 1592-1597
  • Peer Reviewed
• [Presentation] Deformation Studies on Polymer-Clay Nanocomposite Gels (2009)
  • Author(s): Shibayama, M
  • Organizer: Polymer Networks Group conference 2006
  • Place of Presentation: University of Sheffield, UK
  • Year and Date: 20090903-07
• [Presentation] Structure Characterization of Tetra-PEG Gel by Small-angle Neutron Scattering (2008)
  • Author(s): Shibayama, M
  • Organizer: Asia Science Seminar on "Frontier Science at High-Intensity Proton Accelerator J-PARC"
  • Place of Presentation: Beijing, China
  • Year and Date: 20081018-23
• [Presentation] KAIST Neutron Scattering on Polymer Gels (2008)
  • Author(s): Shibayama, M
  • Organizer: The 1st AONSA Neutron Summer School
  • Place of Presentation: Daejeon, Korea
  • Year and Date: 20080818-22
• [Presentation] Precision Structural Analyses of High-Performance Polymer Gels (2008)
  • Author(s): Shibayama, M
  • Organizer: Macro 2008
  • Place of Presentation: Taipei,Taiwan
  • Year and Date: 20080729-0804
• [Presentation] 高性能高分子の構造とダイナミクス (2008)
  • Author(s): 柴山充弘
  • Organizer: 第57回高分子年次大会
  • Place of Presentation: 日本
  • Year and Date: 20080527-30
• [Presentation] Pressure- and Temperature-induced Gelation of β -Lactoglobulin (2008)
  • Author(s): Shibayama, M
  • Organizer: Polymer Networks Group meeting
  • Place of Presentation: Larnaca, Cyprus
  • Year and Date: 20080522-26
• [Presentation] Rheo-SANS studies on shake gels (2007)
  • Author(s): Shibayama, M
  • Organizer: 1st International Soft Matter Conference
  • Place of Presentation: Aachen, Germany
  • Year and Date: 20071001-04
• [Presentation] Sol-gel transition of gelation hydrogels : dynamic light scattering and rheological studies (2007)
  • Author(s): Shibayama, M
  • Organizer: Gel Sympo2007 Polymer Gels : Fundamentals and Functional Control /7th International Gel Symposium
  • Place of Presentation: The University of Tokyo, Japan
  • Year and Date: 20070806-08
• [Presentation] Small-angle Neutron Scattering and Dynamic Light Scattering Studies on High-Performance Polymer-Nanocomposite Hydrogels., 46th Microsymposium of P.M (2007)
  • Author(s): Shibayama, M
  • Organizer: Prague Nanosrucutred Polymers and Polymer Nanocomposites Main Lecturer
  • URL: Shibayama, M
  • Place of Presentation: Prague, Czech Republic
  • Year and Date: 20070707-13
• [Presentation] Deformation Mechanisms of High Performance Gels Studied by Small-angle Neutron Scattering (2006)
  • Author(s): Shibayama, M
  • Organizer: Julich Soft Matter Days 2006
  • Place of Presentation: Gustav-Stresemann-Institut Bonn, Germany
  • Year and Date: 20061114-17
• [Presentation] Complementary Use of SANS and DLS Studies for Structure Analysis and Dynamics of Polymer Gels (2006)
  • Author(s): Shibayama, M
  • Organizer: International Conference on Small-angle Scattering
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 20060709-13
• [Presentation] Microphase Separation of Gradient Copolymer Aqueous Solutions (2006)
  • Author(s): Shibayama, M
  • Organizer: International Conference on polymer Physics(PP2006)
  • Place of Presentation: Suzuhou, China
  • Year and Date: 20060601-05
• [Book] Springer, Small-angle Neutron Scattering on Gels (2008)
  • Author(s): Shibayama,M
  • Total Pages: 783-832
  • Publisher: Edited by P. Pecora and R. Borsali
• [Book] 分子の紐でつくるソフトマターの世界-超高強度先端材料から生体材料まで (2008)
  • Author(s): 柴山充弘
  • Total Pages: 171-184
  • Publisher: 培風館出版、21世紀の物質科学(末元徹、勝本信吾編)
• [Book] ゲルの構造と相転移現象 (2008)
  • Author(s): 柴山充弘
  • Total Pages: 45-80
  • Publisher: NTS 出版、ゲル・イノベーション
• [Book] 波紋、中性子スピンエコー分光器iNSE の検出器大面積化 (2007)
  • Author(s): 山田悟史、長尾道弘、川端庸平、竹田隆義、瀬戸秀紀、遠藤仁、大坂昇、柴山充弘、吉澤秀樹
  • Total Pages: 132-135
• [Book] 高圧力の科学と技術、中性子散乱・光散乱による高分子水溶液・ゲルの圧力誘起相分離と疎水性相互作用の研究 (2007)
  • Author(s): 柴山充弘
  • Total Pages: 131-143
• [Book] Bull. Chem. Soc. Jpn (2006)
  • Author(s): Shibayama, M
  • Total Pages: 1799-1819
  • Publisher: Universality and Specificity of Polymer Gels Viewed by Scattering Methods
• [Book] 高分子論文集、高分子ゲルの小角中性子散乱 (2006)
  • Author(s): 柴山充弘
  • Total Pages: 345-359
• [Remarks]
  • URL: http://shibayama.issp.u-tokyo.ac.jp/