原著論文
*: corresponding author
- Kei Hashimoto*, Toru Shiwaku, Hiroyuki Aoki, Hideaki Yokoyama, Koichi Mayumi*, Kohzo Ito*
“Strain-induced crystallization and phase separation used for fabricating a tough and stiff slide-ring solid polymer electrolyte”
Science Advances, 9, eadi8505 (2023). - Lester C. Geonzon, Kei Hashimoto, Tatsuro Oda, Shingo Matsukawa, and Koichi Mayumi*
“Elaborating Spatiotemporal Hierarchical Structure of Carrageenan Gels and Their Mixtures during Sol–Gel Transition”
Macromolecules, 56, 8676-8687 (2023): Supplementary Cover. - Shohei Shimizu, Hiroaki Yoshid, Koichi Mayumi, Hiroharu Ajiro, Yoshimitsu Sagara*
“Mechanochromic luminescence of phase-separated hydrogels that contain cyclophane mechanophores”
Materials Chemistry Frontiers, 7, 4073-4079 (2023). - Ami Nishijima, Yuki Hayashi, Koichi Mayumi, Nobuhiko Hosono, Takashi Uemura*
“Fabrication of Polyelectrolyte Sheets of Unimolecular Thickness via MOF-Templated Polymerization”
Macromolecules, 56, 3141-3148 (2023). - Yasuhito Suzuki*, Yuya Doi, Ryutaro Mishima, Koichi Mayumi, Akikazu Matsumoto
“Heterogeneities at the Onset of Reaction Acceleration during Bulk Polymerization of Methyl Methacrylate Investigated by Small-Angle Neutron Scattering”
Macromolecules, 56, 3731-3738 (2023). - Yuichi Masubuchi*, Yuya Doi, Takato Ishida, Naoyuki Sakumichi, Takamasa Sakai, Koichi Mayumi, Takashi Uneyama
“Phantom Chain Simulations for the Fracture of Energy-Minimized Tetra-and Tri-Branched Networks”
Macromolecules, 56, 2217-2223 (2023). - Akihiro Hanafusa, Shota Ando, Tetsuharu Yuge, Satoru Ozawa, Masakazu Ito, Ryuichi Hasegawa, Hideaki Yokoyama, Koichi Mayumi*, Kohzo Ito*
“Epoxy resins containing epoxy-modified polyrotaxanes”
Polymer, 278, 126007 (2023). - Kosuke Aomura, Yusuke Yasuda, Takeshi Yamada, Takamasa Sakai and Koichi Mayumi*
“Quasi-elastic neutron scattering study on dynamics of polymer gels with controlled inhomogeneity under uniaxial deformation”
Soft Matter, 19, 147-152 (2023). - Glendimar Molero, Cong Liu, Zewen Zhu, Qihui Chen, Suzanne R. Peterson, Pavan V. Kolluru, Hung-Jue Sue*, Shuntaro Uenuma, Koichi Mayumi, Kohzo Ito
“Fracture Behavior of Polyrotaxane-Toughened Poly (Methyl Methacrylate)”
Langumir, 38, 2335-2345 (2022). - Takeshi Fujiyabu, Naoyuki Sakumichi, Takuya Katashima, Chang Liu, Koichi Mayumi, Ung-il Chung, Takamasa Sakai*
“Tri-branched gels: Rubbery materials with the lowest branching factor approach the ideal elastic limit”
Science Advances, 8, eabk0010 (2022). - Xiyang Sun, Yingtao Liu, Chang Liu, Koichi Mayumi, Kohzo Ito, Akinao Nose, Hiroshi Kohsaka*
“A neuromechanical model for Drosophila larval crawling based on physical measurements”
BMC biology, 20, 1-25 (2022). - Takako Noritomi, Lan Jiang, Hideaki Yokoyama, Koichi Mayumi*, Kohzo Ito*
“High-yield one-pot synthesis of polyrotaxanes with tunable well-defined threading ratios over a wide range”
RSC Advances, 12, 3796-3800 (2022). - Chang Liu, Naoya Morimoto, Lan Jiang, Sohei Kawahara, Takako Noritomi, Hideaki Yokoyama, Koichi Mayumi*, Kohzo Ito*
”Tough Hydrogels with Rapid Self-reinforcement“
Science, 372, 1078-1081 (2021). - Taku Goto, Yuta Hidaka, Lan Jiang, Rina Maeda, Koichi Mayumi, Tsuyohito Ito, Yoshiki Shimizu, Kohzo Ito, Yukiya Hakuta, Kazuo Terashima
“Effect of movable crosslinking points on mechanical properties in composite materials of large amount of plasma-surface-modified boron nitride and slide-ring elastomer”
Composites Science and Technology, 216, 109036 (2021). - Taku Goto, Noritaka Sakakibara, Kenichi Inoue, Koichi Mayumi, Yoshiki Shimizu, Tsuyohito Ito, Kohzo Ito, Yukiya Hakuta, Kazuo Terashima
“Fabrication of flexible porous slide-ring polymer/carbon nanofiber composite elastomer by simultaneous freeze-casting and cross-linking reaction with dimethyl sulfoxide”
Composites Science and Technology, 215, 109028 (2021). - Masaki Iida, Taku Goto, Koichi Mayumi, Rina Maeda, Kazuto Hatakeyama, Tsuyohito Ito, Yoshiki Shimizu, Kohzo Ito, Yukiya Hakuta, Kazuo Terashima
“Fabrication of polyrotaxane and graphene nanoplate composites with high thermal conductivities”
Polymer Composites, 42, 5556-5563 (2021). - Molero Glendimar, Chia–Ying Tsai, Cong Liu, Hung–Jue Sue*, Shuntaro Uenuma, Koichi Mayumi, Kohzo Ito
“Mechanical and scratch behaviors of polyrotaxane‐modified poly (methyl methacrylate)”
Journal of Applied Polymer Science, 51237 (2021). - Chang Liu, Hideaki Yokoyama, Koichi Mayumi*, Kohzo Ito*
“Crack velocity dependent toughness of polyrotaxane networks: The sliding dynamics of rings on polymer under stretching”
Mechanics of Materials, 156, 103784 (2021). - Kazuto Hatakeyama*, Yoshie Ishikawa, Kazuhiro Kirihara, Tsuyohito Ito, Koichi Mayumi, Kohzo Ito, Kazuo Terashima, Yukiya Hakuta, Yoshiki Shimizu*
“Slide-ring material/highly dispersed graphene oxide composite with mechanical strength and tunable electrical conduction as a stretchable-base substrate”
ACS Applied Materials & Interfaces, 12, 47911–47920 (2020) - Hio Sakai, Daisuke Aoki, Kota Seshimo, Koichi Mayumi, Shotaro Nishitsuji, Takashi Kurose, Hiroshi Ito, Hideyuki Otsuka*
“Visualization and Quantitative Evaluation of Toughening Polymer Networks by a Sacrificial Dynamic Cross-Linker with Mechanochromic Properties”
ACS Macro Letters, 9, 1108-1113 (2020). - Yusuke Yasuda, Takeyoshi Masumoto, Koichi Mayumi*, Masatoshi Toda, Hideaki Yokoyama, Hiroshi Morita*, Kohzo Ito*
“Molecular Dynamics Simulation and Theoretical Model of Elasticity in Slide-Ring Gels”.
ACS Macro Letters, 9, 1280-1285 (2020) : supplementary journal cover. - Akihiro Hanafusa, Shota Ando, Satoru Ozawa, Masakazu Ito, Ruichi Hasegawa, Koichi Mayumi*, Kohzo Ito*
“Viscoelastic relaxation attributed to the molecular dynamics of polyrotaxane confined in an epoxy resin network”
Polymer Journal, 52, 1211-1221 (2020). - Kenta Watanabe, Eiji Miwa, Fumio Asai, Takahiro Seki, Kenji Urayama, Tomotaka Nakatani, So Fujinami, Taiki Hoshino, Masaki Takata, Chang Liu, Koichi Mayumi, Kohzo Ito, Yukikazu Takeoka*
“Highly Transparent and Tough Filler Composite Elastomer Inspired by the Cornea”.
ACS Materials Letters, 2, 325-330 (2020). - Yusuke Yasuda, Hiroki Matsunobu, Tetsuharu Narita, Hideaki Yokoyama, Koichi Mayumi*, Kohzo Ito*
“Dynamic Light Scattering Study on Particle Diffusion in Slide-Ring Gels: Enhanced Fluctuation of Sliding Networks”
Nihon Reoroji Gakkaishi, 48, 161 (2020). - Taku Goto*, Tsuyohito Ito, Koichi Mayumi, Rina Maeda, YoshikiShimizu, Kazuto Hatakeyama, Kohzo Ito, Yukiya Hakuta*, Kazuo Terashima*
“Movable cross-linked elastomer with aligned carbon nanotube/nanofiber as high thermally conductive tough flexible composite”
Composites Science and Technology, 190, 108009 (2020). - Chang Liu*, Hirokazu Kadono, Hideaki Yokoyama, Koichi Mayumi*, Kohzo Ito*
“Crack propagation resistance of slide-ring gels”
Polymer, 181, 121782 (2019). - Si Yu Zheng, Chang Liu, Lan Jiang, Ji Lin, Jin Qian, Koichi Mayumi*, Zi Liang Wu*, Kohzo Ito*, Qiang Zheng
“Slide-Ring Cross-Links Mediated Tough Metallosupramolecular Hydrogels with Superior Self-Recoverability”
Macromolecules, 52, 6748-6755 (2019). - Haruka Nishino, Chang Liu, Shinji Kanehashi, Koichi Mayumi, Yoichi Tominaga, Takeshi Shimomura*, Kohzo Ito
“Ionic transport and mechanical properties of slide-ring gel swollen with Mg-ion electrolytes”
Ionics, 1, 255-261 (2019). - Yusuke Yasuda, Yuta Hidaka, Koichi Mayumi*, Takeshi Yamada, Kazushi Fujimoto, Susumu Okazaki, Hideaki Yokoyama, Kohzo Ito*
“Molecular Dynamics of Polyrotaxane in Solution Investigated by Quasi-Elastic Neutron Scattering and Molecular Dynamics Simulation: Sliding Motion of Rings on Polymer”
Journal of the American Chemical Society, 141, 9655-9663 (2019): supplementary journal cover. - Chang Liu, Koichi Mayumi*, Kyohei Hayashi, Lan Jiang, Hideaki Yokoyama, Kohzo Ito*
“Direct Observation of Large Deformation and Fracture Behavior at the Crack Tip of Slide-Ring Gel”
Jounal of the Electrochemical Society, 166, B3143 (2019). - Yusuke Yasuda, Masatoshi Toda, Koichi Mayumi*, Hideaki Yokoyama, Hiroshi Morita*, Kohzo Ito*
“Sliding Dynamics of Ring on Polymer in Rotaxane: a Coarse-Grained Molecular Dynamics Simulation Study”
Macromolecules, 52, 3787-3793 (2019). - Shuntaro Uenuma, Rina Maeda*, Kazuaki Kato, Koichi Mayumi, Hideaki Yokoyama, Kohzo Ito*
“Drastic Change of Mechanical Properties of Polyrotaxane Bulk: ABA–BAB Sequence Change Depending on Ring Position”
ACS Macro Letters, 8, 140-144 (2019). - Guan Li, Kazuaki Kato*, Koichi Mayumi, Hideaki Yokoyama, Kohzo Ito*
“Efficient mechanical toughening of polylactic acid without substantial decreases in stiffness and transparency by the reactive grafting of polyrotaxanes”
Journal of Inclusion Phenomena and Macrocyclic Chemistry, 93, 107-116 (2019). - Hiroaki Gotoh, Chang Liu, Abu Bin Imran, Mitsuo Hara, Takahiro Seki, Koichi Mayumi*, Kohzo Ito*, Yukikazu Takeoka*
”Optically transparent, high-toughness elastomer using a polyrotaxane cross-linker as a molecular pulley”
Science Advances, 4, eaat7629 (2018). - Lan Jiang*, Chang Liu, Koichi Mayumi, Kazuaki Kato, Hideaki Yokoyama, Kohzo Ito*
“Highly Stretchable and Instantly Recoverable Slide-Ring Gels Consisting of Enzymatically Synthesized Polyrotaxane with Low Host Coverage”
Chemistry of Materials, 30, 5013-5019 (2018). - Taku Goto*, Masaki Iida, Helen Tan, Chang Liu, Koichi Mayumi, Rina Maeda, Koichi Kitahara, Kazuto Hatakeyama, Tsuyohito Ito, Yoshiki Shimizu, Hideaki Yokoyama, Kaoru Kimura, Kohzo Ito, Yukiya Hakuta*, Kazuo Terashima*
“Thermally conductive tough flexible elastomers as composite of slide-ring materials and surface modified boron nitride particles via plasma in solution”
Applied Physics Letters, 112, 101901 (2018). - Chang Liu, Hirokazu Kadono, Koichi Mayumi*, Kazuaki Kato, Hideaki Yokoyama, Kohzo Ito*
“Unusual fracture behavior of slide-ring gels with movable cross-links”
ACS Macro Letters, 6, 1409-1413 (2017). - Jingwen Zhao, Koichi Mayumi, Costantino Creton, Tetsuharu Narita*
“Rheological properties of tough hydrogels based on an associating polymer with permanent and transient crosslinks: Effects of crosslinking density”
Journal of Rheology, 61, 1371 (2017). - Kazuaki Kato*, Kaito Nemoto, Koichi Mayumi, Hideaki Yokoyama, Kohzo Ito*
“Ductile Glass of Polyrotaxane Toughened by Stretch-Induced Intramolecular Phase Separation”
ACS Applied Materials & Interfaces, 9, 32436–32440 (2017). - Kosuke Minato, Koichi Mayumi*, Rina Maeda, Kazuaki Kato, Hideaki Yokoyama, Kohzo Ito*
“Mechanical properties of supramolecular elastomers prepared from polymer-grafted polyrotaxane”
Polymer, 128, 386-391 (2017). - Lan Jiang*, Kazuaki Kato, Koichi Mayumi, Hideaki Yokoyama, Kohzo Ito*
“One-Pot Synthesis and Characterization of Polyrotaxane–Silica Hybrid Aerogel”
ACS Macro Letters, 6, 281-286 (2017). - Naoki Sugihara, Kirara Nishimura, Haruka Nishino, Shinji Kanehashi, Koichi Mayumi, Yoichi Tominaga, Y. Takeshi Shimomura*, Kohzo Ito
“Ion-Conductive and Elastic Slide-Ring Gel Li Electrolytes Swollen with Ionic Liquid”
Electrochimica Acta, 229, 166-172 (2017). - Kana Ohmori, Imran Abu Bin, Takahiro Seki, Chang Liu, Koichi Mayumi, Kohzo Ito, Yukikazu Takeoka*
“Molecular weight dependency of polyrotaxane-cross-linked polymer gel extensibility”
Chemical Communications, 52, 13757-13759 (2016). - Jingyi Guo, Rong Long, Koichi Mayumi, Chung-Yuen Hui*
“Mechanics of a Dual Cross-Link Gel with Dynamic Bonds: Steady State Kinetics and Large Deformation Effects”
Macromolecules, 49, 3497-3507 (2016). - Koichi Mayumi, Jingyi Guo, Tetsuharu Narita, Chung-Yuen Hui, Costantino Creton*,
“Fracture of dual crosslink gels with permanent and transient crosslinks”
Extreme Mechanics Letters, 6, 52-59 (2016). - Kazuaki Kato*, Daisuke Matsui, Koichi Mayumi, Kohzo Ito*
“Synthesis, structure, and mechanical properties of silica nanocomposite polyrotaxane gels”
Beilstein journal of organic chemistry, 11, 2194-2201 (2015). - Rong Long, Koichi Mayumi, Costantino Creton, Tetsuharu Narita, Chung-Yuen Hui*
“Rheology of a dual crosslink self-healing gel: Theory and measurement using parallel-plate torsional rheometry”
Journal of Rheology, 59, 643-665 (2015). - Rong. Longǂ, Koichi Mayumiǂ, Costantino Creton, Tetsuharu Narita, Chung-Yuen Hui*( ǂ The authors contributed equally to this work)
“Time Dependent Behavior of a Dual Cross-Link Self-Healing Gel: Theory and Experiments”
Macromolecules, 47, 7243-7250 (2014). - Yuuki Kondo, Kenji Urayama*, Masatoshi Kidowaki, Koichi Mayumi, Toshikazu Takigawa, Kohzo Ito*
“Applicability of a particularly simple model to nonlinear elasticity of slide-ring gels with movable cross-links as revealed by unequal biaxial deformation”
Journal of Chemical Physics, 141, 134906-1-9 (2014). - Koichi Mayumi, Alba Marcellan, Guylaine Ducouret, Costantino Creton, Tetsuharu Narita*
“Stress–Strain Relationship of Highly Stretchable Dual Cross-Link Gels: Separability of Strain and Time Effect”
ACS Macro Letters, 2, 1065–1068 (2013) : journal front cover. - Tetsuharu Narita*, Koichi Mayumi, Guylaine Ducouret, and Pascal Hebraud,
“Viscoelastic Properties of Poly (vinyl alcohol) Hydrogels Having Permanent and Transient Cross-Links Studied by Microrheology, Classical Rheometry, and Dynamic Light Scattering”
Macromolecules, 46, 4174–4183(2013). - Akinori Bando*, Koichi Mayumi, Hideaki Yokoyama, Kohzo Ito*
“Theory of Volume Phase Transition of Slide-Ring Gels”
Reactive and Functional Polymers, 73, 904–910 (2013). - Akihiro Konda, Koichi Mayumi, Kenji Urayama*, Toshikazu Takigawa, Kohzo Ito*
“Influence of Structural Characteristics on Stretching-Driven Swelling of Polyrotaxane Gels with Movable Cross Links”
Macromolecules, 45, 6733–6740 (2012). - Koichi Mayumi*, Masahiko Tezuka, Akinori Bando, Kohzo Ito*
“Mechanics of slide-ring gels: novel entropic elasticity of a topological network formed by ring and string”
Soft Matter, 8, 8179–8183 (2012). - Hitoshi Endo*, Koichi Mayumi*, Noboru Osaka, Kohzo Ito, Mitsuhiro Shibayama
“The Static Structure of Polyrotaxane in Solution Investigated by Contrast Variation Small-Angle Neutron Scattering”
Polymer Journal, 43, 155–163 (2011). - Keiko Sumitomo, Koichi Mayumi, Hiroyuki Minamikawa, Mitsutoshi Masuda, Toru Asahi, Toshimi Shimizu, Kohzo Ito, Yoshinori Yamaguchi*
“Buffers to suppress sodium dodecyl sulfate adsorption to polyethylene oxide for protein separation on capillary polymer electrophoresis”
Electrophoresis, 32, 448–454 (2011). - Keiko Sumitomo, Koichi Mayumi, Hideaki Yokoyama, Yasuhiro Sakai, Hiroyuki Minamikawa, Mitsutoshi Masuda, Toshimi Shimizu, Kohzo Ito, Yoshinori Yamaguchi*
“Dynamic Light–Scattering Measurement of Sieving Polymer Solutions for Protein Separation on SDS CE”
Electrophoresis, 30, 3607–3612 (2009). - Tetsuya Kume, Jun Araki*, Yasuhiro Sakai, Koichi Mayumi, Masatoshi Kidowaki, Hideaki Yokoyama, Kohzo Ito*
“Static and Dynamic Light Scattering Studies on Dilute Polyrotaxane Solutions”
Journal of Physics: Conference Series, 184, 012018(2009). - Koichi Mayumi*, Hitoshi Endo*, Noboru Osaka, Hideaki Yokoyama, Michihiro Nagao, Mitsuhiro Shibayama, Kohzo Ito
“Mechanically Interlocked Structure of Polyrotaxane Investigated by Contrast Variation Small-Angle Neutron Scattering”
Macromolecules, 42, 6327–6329 (2009). - Koichi Mayumi, Michihiro Nagao, Hitoshi Endo, Noboru Osaka, Mitsuhiro Shibayama*, Kohzo Ito*
“Dynamics of polyrotaxane investigated by neutron spin echo”
Physica B, 404, 2600–2602 (2009). - Koichi Mayumi*, Noboru Osaka, Hitoshi Endo, Hideaki Yokoyama, Yasuhiro Sakai, Mitsuhiro Shibayama, Kohzo Ito*
“Concentration-induced conformational change in linear polymer threaded into cyclic molecules”
Macromolecules, 41, 6480–6485 (2008).
総説（国際誌）
- Koichi Mayumi, Chang Liu, Yusuke Yasuda, Kohzo Ito,
“Softness, Elasticity, and Toughness of Polymer Networks with Slide-Ring Cross-Links”
Gels, 7, 91 (2021). - Koichi Mayumi
“Molecular dynamics and structure of polyrotaxane in solution”
Polymer Journal, 53, 581-586 (2021). - Koichi Mayumi, Kohzo Ito
“Structure and Dynamics of Polyrotaxane and Slide-Ring Materials”
Polymer, 51, 959-967 (2010).
和文解説記事
- 眞弓皓一
「研究室紹介 東京大学 物性研究所 附属中性子科学研究施設 眞弓研究室」
日本レオロジー学会誌, 51, 253-256 (2023). - 眞弓皓一
「中性子散乱法を用いたポリロタキサンの構造・ダイナミクス解析」
波紋, 32, 82-85 (2022). - 眞弓皓一
「動的架橋高分子材料の力学物性発現メカニズムの解明」
日本レオロジー学会誌, 49, 295-301 (2021). - 眞弓皓一、伊藤耕三
「引っ張ると頑丈になる自己補強ゲル」
化学と工業, 74 (2021). - 李 响、眞弓 皓一
「SANS-UとiNSEの再稼働に向けて」
波紋, 31, 22-23 (2021). - 眞弓 皓一
「誘電エラストマーアクチュエーターのソフトロボットへの展開」
高分子, 5月号, 212-213 (2020). - 眞弓 皓一
「超分子の分子ダイナミクスを中性子で観る」
波紋, 29, 192 (2019). - 眞弓 皓一, 劉 暢, 伊藤 耕三
「分子ネックレスを用いた動的架橋高分子ゲル・エラストマーの力学・破壊物性」
レオロジー学会誌, 47, 43 (2019). - 眞弓 皓一
「柔らかさと硬さを合わせ持つ高分子材料」
繊維学会誌, 75, 19 (2019). - 眞弓 皓一
「動的架橋点を有する高分子ネットワークの力学・破壊特性」
繊維学会誌, 73, 342 (2017). - 眞弓 皓一, 成田哲治, Costantino Creton
「自己回復性高強度ゲルの力学物性」
高分子論文集, 72, 597 (2015). - 眞弓 皓一, 成田哲治, Costantino Creton
「可逆架橋による高分子ゲルの高強度化」
高分子, 6月号, 354-355 (2015). - 眞弓 皓一, 伊藤耕三
「紐と環から成るトポロジカルネットワークの新しいエントロピー弾性」
日本物理学会誌, 68, 158-161 (2013). - 眞弓 皓一, 伊藤耕三
「ポリロタキサンの分子構造・ダイナミクスと環動ゲルの力学物性」
波紋, 23, 50-55 (2013). - 眞弓 皓一, 伊藤耕三
「分子ネックレスおよび可動架橋点高分子ゲルの構造とダイナミクス」
物性研究, 93, 546-550 (2010).
書籍
- 眞弓 皓一
「高分子ゲルの架橋構造解析」（「重合開始剤、硬化剤、架橋剤の選び方、使い方とその事例」第4章 第8節）
技術情報協会, (2021). - 眞弓 皓一
「自己修復性高強度ゲル・エラストマーの力学物性」（「自己修復材料、自己組織化、形状記憶材料の開発と応用事例」第1章 第2節）
技術情報協会, (2020). - Kohzo Ito, Kazuaki Kato, Koichi Mayumi
“Polyrotaxane and Slide-Ring Materials”
Royal Society of Chemistry (2015).