大阪大学理学研究科高分子科学専攻 高分子物理化学研究室(井上研究室)

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研究内容


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発表論文


Viscoelastic Effects on Molecular Dynamics of Dielectric Probes in Polymer Matrices
 Osamu Urakawa, Shogo Nobukawa, and Tadashi Inoue
 Nihon Reoroji Gakkaishi, in press

非整数階微積分を用いた粘弾性モデルの非晶性高分子への適用
 井上 正志 浦川 理
 材料 印刷中

Rheology of the Electric Double Layer In Ionic Liquid Solutions: Effects of Ion Concentration and Anion Structures
 Ryota Yoshizawa, Atsushi Matsumoto, Riccardo Funari, Osamu Urakawa, Tadashi Inoue, Amy Q. Shen
 in press

A Model Study of the Influence of the Natural Rubber (NR)- Endogenous Gel Fraction on the Rheological Performance of NR Using Synthetic Polyisoprene Rubber (IR) Blends with Different Ratios of Gel
 Narueporn Payungwong, Tadashi Inoue, and Jitladda Sakdapipanich
 ACS Appl. Polym. Mater., 2022, 10 (4), 7061?7069

汎用水晶振動子マイクロバランスを用いた10MHz域の動的粘性率評価
 吉澤 僚太, 浦川 理, 井上 正志
 Nihon Reoroji Gakkaishi, 2022, 50 (4), 333-337

Coordination polymer-forming liquid Cu(2-isopropylimidazolate)
 Teerat Watcharatpong, Taweesak Pila, Thana Maihom, Tomohiro Ogawa, Takuya Kurihara, Koji Ohara, Tadashi Inoue, Hiroyasu Tabe, Yong-Sheng Wei, Kanokwan Kongpatpanich and Satoshi Horike
 Chem. Sci., 2022, 13, 11422-11426

Preparation of dual-cross network polymers by the knitting method and evaluation of their mechanical properties
 Yusaku Kawai, Junsu Park, Yoshiki Ishii, Osamu Urakawa, Shunsuke Murayama, Ryohei Ikura, Motofumi Osaki, Yuka Ikemoto, Hiroyasu Yamaguchi, Akira Harada, Tadashi Inoue, Hitoshi Washizu, Go Matsuba & Yoshinori Takashima
 NPG Asia Mater, 2022, 32 (14)

Rheology of Tightly Entangled DNA Aqueous Solutions
 Masumi Kinoshita, Osamu Urakawa, Tadashi Inoue
 Nihon Reoroji Gakkaishi, 2022, 50 (2), 225-233

Linear Viscoelasticity and Birefringence of Poly-γ-Benzyl-l-Glutamate Solutions
 Tadashi Inoue, Naomi Furusawa, Osamu Urakawa
 Macromolecules, 2021, 54 (24), 11360-11371

Rheological Behavior of Hydrogen Bonding Miscible Blend: High Molecular Weight Poly(2-vinyl pyridine) and Low Molecular Weight Poly(4-vinyl phenol)
 Osamu Urakawa, Ayaka Yasue, Tadashi Inoue
 Nihon Reoroji Gakkaishi, 2021, 49 (3), 155-162

Phase equilibrium and dielectric relaxation in mixture of 5CB with dilute dimethyl phthalate: effect of coupling between orientation and composition fluctuations on molecular dynamics in isotropic one-phase state
 Ryoko Shimada, Osamu Urakawa, Tadashi Inoue, Hiroshi Watanabe
 Soft Matter, 2021, 17, 6259-6272

Rheological Scaling of Ionic Liquid-Based Polyelectrolytes in the Semidilute Unentangled Regime from Low to High Salt Concentrations
 Atsushi Matsumoto, Ryota Yoshizawa, Osamu Urakawa, Tadashi Inoue, Amy Q. Shen
 Macromolecules, 2021, 54 (12), 5648-5661

Viscoelastic Relaxation of Polymerized Ionic Liquid and Lithium Salt Mixtures: Effect of Salt Concentration
 Yokokoji, Arisa, Wakana Kitayama, Kamonthira Wichai, Osamu Urakawa, Atsushi Matsumoto, Visit Vao-Soongnern, Tadashi Inoue
 Polymers, 2021, 13 (11), 1772

Strain-Induced Birefringence of Amorphous Polymers and Molecular Design of Optical Polymers
 Tadashi Inoue
 ACS Appl. Polym. Mater., 2021, 3 (5), 2264-2273

Rheo-Optical Study on the Viscoelastic Relaxation Modes of a Microgel Particle Suspension around the Liquid?Solid Transition Regime
 Li Shangwei, Osamu Urakawa, Tadashi Inoue
 Macromolecules, 2021, 54 (7), 3270-3280

Dynamics of the Topological Network Formed by Movable Crosslinks: Effect of Sliding Motion on Dielectric and Viscoelastic Relaxation Behavior
 Yu Kashiwagi, Osamu Urakawa, Sheng Zhao, Yoshinori Takashima, Akira Harada, Tadashi Inoue
 Macromolecules, 2021, 54 (7), 3321-3333

A rheo-optical study on the linear viscoelasticity and molecular dynamics of block copolymer solutions forming hexagonal close-packed cylindrical domains
 Eiko Tamura, Takuji Kume, Shigeru Okamoto, Tadashi Inoue
 Polymer journal, 2020, 52 (9), 1085-1091
 Cover Article

Rheo-Optical and Dielectric Study on Dynamics of Bottlebrush-like Polymacromonomer Consisting of a Polyisoprene Main Chain and Polystyrene Side Chains
 Hiroshi Iwawaki, Osamu Urakawa, Tadashi Inoue, Yo Nakamura, Yumi Matsuyama, Hiroshi Watanabe
 Macromolecules, 2020, 53 (16), 7096-7106

Rheological Test for the Homogeneity of Aqueous Blends of Associative Polymer Network and Entangled Linear Polymer
 Takamitsu Chiba, Takuya Katashimai, Osamu Urakawa, Tadashi Inoue
 Nihon Reoroji Gakkaishi, 2020, 48 (1), 49-54  

Viscoelastic Relaxation of Cellulose Nanocrystals in Fluids: Contributions of Microscopic Internal Motions to Flexibility
 Reina Tanaka, Yu Kashiwagi, Yuki Okada, Tadashi Inoue
 Biomacromolecules, 2020, 21, 408-417
 Supplementary Cover

Relationships between Diffusion and Viscoelasticity of Associative Polymer Networks
 Miyu Ohnishi, Takuya Katashima, Masaki Nakahata, Osamu Urakawa
 Nihon Reoroji Gakkaishi, 2019, 47 (4), 133-142

Glass Transition Behaviors of Poly (Vinyl Pyridine)/Poly (Vinyl Phenol) Revisited
 Osamu Urakawa, Ayaka Yasue
 Polymers, 2019, 11 (7), 1153

Effect of Host-Guest Interaction on Swelling Behavior and Equilibrium Swollen State of Host-Guest Gel
 Yu Kashiwagi, Takuya Katashima, Yoshinori Takashima, Akira Harada, Tadashi Inoue
 Nihon Reoroji Gakkaishi, 2019, 47 (3), 99-104

Ion Transport in Pendant and Backbone Polymerized Ionic Liquids
 Kuray, Preeya; Noda, Takeru; Matsumoto, Atsushi; Iacob, Ciprian; Inoue, Tadashi; Hickner, Michael A.; Runt, James
 Macromolecules, 2019, 52 (17), 6438-6448

Cu/Zn-superoxide dismutase forms fibrillar hydrogels in a pH-dependent manner via a water-rich extended intermediate state
 Noriko Fujiwara, Michiru Wagatsuma, Naoto Oba, Daisaku Yoshihara, Eiichi Tokuda, Haruhiko Sakiyama, Hironobu Eguchi, Motoko Ichihashi, Yoshiaki Furukawa, Tadashi Inoue, Keiichiro Suzuki
 PLoS ONE, 2018, 13 (10)

A Self-Build Apparatus for Oscillatory Flow Birefringence Measurements in a Co-Cylindrical Geometry
 Reina, Tanaka; Shangwei, Li; Yu, Kashiwagi; Tadashi, Inoue
 Nihon Reoroji Gakkaishi, 2018, 46 (5), 221-226

Relationship between global and segmental dynamics of poly(butylene oxide) studied by broadband dielectric spectroscopy
 Osamu, Urakawa; Minoru, Yamane; Shota, Tomie; Tadashi, Inoue
 The Journal of Chemical Physics, 2018, 148, 034904

Viscoelastic Properties of Tightly Entangled Semiflexible Polymer Solutions
 Yuki, Okada; Yuka, Goto; Reina, Tanaka; Takuya, Katashima; Xinyue, Jiang; Ken, Terao; Takahiro Sato; Tadashi, Inoue
 Macromolecules, 2018, 51 (23), 9626-9634

●Role of Stress-optical Rule in Rheo-optics
 Tadashi, Inoue
 Oleoscience, 2018, 18 (11),553-560

Anisotropic Dynamics of Benzonitrile Confined in δ and ε Clathrate Phases of Syndiotactic Polystyrene
 Hideo, Kobayashi; Sho, Akazawa; Urakawa, Osamu; Fumitoshi, Kaneko; Tadashi, Inoue
 Macromolecules, 2018, 51 (21), 8611-8619

Rhological Behavior of Weakly Associated Polymers
 Osamu, Urakawa; Hiroyoshi, Ikuta; Satoshi, Maji; Tadashi, Inoue
 Nihon Reoroji Gakkaishi, 2018, 46 (3),131-137

Linear viscoelastic studies on a transient network formed by host-guest interaction
 Kashiwagi, Yu; Katashima, Takuya; Nakahata, Masaki; Takashima, Yoshinori; Harada, Akira; Inoue, Tadashi
 Journal of Polymer Science PartB : Polymer Physics, 2018, 56 ,1109-1117

Introducing Large Counter Anions Enhances the Elastic Modulus of Imidazolium-Based Polymerized Ionic Liquids
 Atsushi, Matsumoto; Ciprian, Iacob; Takeru, Noda; Osamu, Urakawa; James, Runt; Tadashi, Inoue
 Macromolecules, 2018, 51 (11), 4129-4142

Effect of Non-Ideality of Wave Plate in Polarization Imaging Method for Rheo-Optical Studies on CTAB/NaSal Aqueous Solution
 Naoto, Oba; Tadashi, Inoue
 Nihon Reoroji Gakkaishi, 2018, 46 (2),93-98

Polymerized Ionic Liquids: Correlation of Ionic Conductivity with Nanoscale Morphology and Counterion Volume
 Ciprian Iacob, Atsushi Matsumoto, Marissa Brennan, Hongjun Liu, Stephen J. Paddison, Osamu Urakawa, Tadashi Inoue, Joshua Sangoro , and James Runt
 Acs Macro Lett, 2017, 6(9),941-946

A Rheo-Optical Study on Reinforcement Effect of Silica Particle Filled Rubber
 Tadashi Inoue, Yoshinori Narihisa, Takuya Katashima, Satoshi Kawasaki, Toshio Tada
 Macromolecules, 2017, 50(20),8072-8082

Re-Examination of Terminal Relaxation Behavior for High Molecular Weight Ring Polystyrene Melts
 Yuya Doi, Atsushi Matsumoto, Tadashi Inoue, Takuro Iwamoto, Atsuhi Takano, Yushu Matsushita, Yoshiaki Takahashi
 and Hiroshi Watanabe
 Rheol.Acta, 2017, 56(6),567-581

Memory Effect in Elastic Modulus of a Hydrogen Bonding Polymer Network
 Osamu Urakawa, Azusa Shimizu, Miho Fujita, Shun Tasaka, Tadashi Inoue
 Polymer Journal, 2017, 49, 229-236

A Multi-chaiinn Slip-spring Dissipative-particle-dynamics Simulation Method for Entangled Polymer Solutions
 Yuichi Masubuchi, Michael Langeloth, Michael Bohm, Tadashi Inoue and Florian Muller-Plathe
 Macromolecules, 2016, 49(23),9186-9191

Experimental Test for Viscoelastic Relaxation of Polyisoprene Undergoing Monofunctional Head-to-Head Association and Dissociation
 Yumi Matsumiya, Hiroshi Watanabe, Osamu Urakawa, Tadashi Inoue
 Macromolecules, 2016, 49 (18), 7088-7095

マイクロゲル・高分子混合系のレオロジー
 山ア香奈, 片島拓弥, 井上正志, 中村綾野, 那須昭夫
 高分子論文集, 2016, 73 (6), 532-538

Dynamics of Polar Aromatic Molecules Confined in a Nanocavity of delta-Phase of Syndiotactic Polystyrene as Studied by Dielectric Spectroscopy
 Hideo Kobayashi, Osamu Urakawa, Fumitoshi Kaneko, Tadashi Inoue
 Chemical Physics, 2016, 479 (10), 122-128

Reliability of intrinsic birefringence estimated via the modified stress-optical rule
 Yuki Okada, Tadashi Inoue
 Polymer Journal, 2016, 48, 1073-1078

High Frequency Viscoelastic Measurements Using Optical Tweezers on Wormlike Micelles of Nonionic and Cationic Surfactants in Aqueous Solutions
 Ken Morishima, Tadashi Inoue
 Journal of Rheology, 2016, 60 (6), 1055-1067

An Apparatus for Birefringence and Extinction Angle Distributions Measurements in Cone and Plate Geometry by Polarization Imaging Method
 Naoto Oba, Tadashi Inoue
 Rheologica Acta., 2016, 55 (9), 699-708

■過去の論文■
 これまでの論文はこちらにまとめていきます。

発表学会


■2021年度 ※赤字:若手優秀発表賞

05/10-12 東京大学物性研究所短期研究会 @web開催  (浦川(招待))

07/09   第67回高分子研究発表会 @web開催 (横小路)

08/03   関西レオロジー研究会第80回例会 @兵庫 (井上)

09/06-08 第70回高分子討論会 @web開催 (Kamonthira、井上(学生))

10/21-22 第69回レオロジー討論会 @web開催 (井上、浦川、Kamonthira、横小路、阪本)

10/28-29 第33回高分子加工技術討論会 @愛知 (杉森、吉澤)

■2020年度 ※赤字:若手優秀発表賞

05/13-14 第47年会 @web開催 (柏木、玉置)

05/27-29 第69回高分子年次大会 ※新型コロナウイルスにより開催中止 (浦川)

09/16-18 第69回高分子討論会 @web開催 (浦川、柏木

10/21-22 第68回レオロジー討論会 @web開催 (木下、玉置、杉森)

10/23   第13回関西レオロジー研究会西日本支部学生ワークショップ @web開催  (北山)

10/29-30 第32回高分子加工技術討論会 @web開催 (北山)

11/11-12 14th International Seminar on Polymer Science & Technology @web開催  (浦川(Keynote speaker))

12/08   プラスチック成型加工学会関西支部 (吉澤

12/12-17  ICR2020 @web開催 (井上、浦川、柏木)


■2019年度 ※赤字:若手優秀発表賞

04/08-11 Annual European Rheology Conference 2019 @スロベニア (井上)

07/10-12 The 2nd Materials Research Society of Thailand International Conference (MRS-Thailand 2019) @タイ (井上、浦川)

09/25-27 第68回高分子討論会 @福井 (浦川、長谷川)

10/16-18 第67回レオロジー討論会 @滋賀 (深澤、古沢)

10/24-25 第31回高分子加工技術討論会 @愛知(長谷川)

11/06 第101回高分子材料セミナー @大阪(後藤長谷川、深澤、山田)

1/08-11 IWEAYR-15 @中国 (李、北山、木下、古沢)


■2018年度 ※赤字:BP賞

05/10-12 ガラス研究会 @東京 (浦川)

05/17-18 第45年会 @東京 (岡田、柏木、大西、野田)

05/23-25 第67回高分子年次大会 @愛知 (浦川、柏木)

06/10-15 The 7th Pacific Rim Conference on Rheology @韓国 (井上、浦川、岡田、柏木)

07/13   第64回関西支部 高分子研究発表会 @神戸 (後藤)

10/17-19 第66回レオロジー討論会 @福岡 (柏木、大西、後藤、長谷川、深澤、山田)

10/25-26 第30回高分子加工技術討論会記念大会 @愛知 (長谷川)

11/01-02 平成30年度 繊維学会秋季研究発表会 @福井 (李)

12/04-07 International Polymer Conferences @広島 (井上)

12/19-20 2018年度 高分子基礎物性研究会・高分子計算機科学研究会・高分子ナノテクノロジー研究会合同討論会 @大阪(浦川、野田、後藤)

01/23-26 IWEAYR-14 @名古屋(、長谷川、Wichai*、Sukhonthamethirat*)(*は短期留学生)

■2017年度 ※赤字:BP賞

05/18-19 第44年会 @京都 (千葉、大場、森、大西)

05/29-31 第66回高分子年次大会 @千葉 (大場)

06/08-09 the Interdisciplinary Symposium for Up-and-coming Material Scientists (ISUMS)@大阪 (大場

09/20-22 第66回高分子討論会 @愛媛 (宮脇)

10/17-19 第65回レオロジー討論会 @新潟 (柏木、大西、野田)

10/31-11/01 成形加工シンポジア'17 @大阪 (宮脇)

12/08   プラスチック成形加工学会関西支部 若手セミナー @大阪 (大西、野田

01/24-27 IWEAYR-13 @韓国(大西、野田)

03/06   修士論文発表会(by関西レオロジー研究会) @神戸(柏木、溝川、宮脇、森)

03/20   2017年度 高分子基礎物性研究会・高分子計算機科学研究会合同討論会 @東京(Martin)

■2016年度 ※赤字:BP賞

05/12-13 第43年会 @東京 (小林、松本、岡田)

05/25-27 第65回高分子年次大会 @兵庫 (松本、梶田、山口、柏木)

05/25-27 ICR 2016 @京都 (松本、大場)

09/14-16 第65回高分子討論会 @神奈川 (小林、梶田、橋本、山崎、柏木、溝川、森)

10/11-12 第91回高分子材料セミナー @京都 (宮脇、森)

10/21   学生ワークショップ2016 @兵庫 (宮脇)

10/28-30 第64回レオロジー討論会 @大阪 (梶田、成久、橋本、山崎、柏木、溝川、森)

10/31-11/1 第28回高分子加工技術討論会 @愛知 (宮脇)

11/07   プラスチック成型加工学会関西支部 @大阪 (柏木

12/08-09 2016年度 高分子基礎物性研究会@東京 (山口)

01/07   第6回 次世代の物質科学・ナノサイエンスを探る (宮脇)

02/08-11 IWEAYR-12 @タイ (大場、宮脇、森)

02/12-16 88th Annual Meeting of The Society of Rheology @Tampa,Florida (岡田)

■過去の学会発表■
 これまでの学会発表はこちらにまとめていきます。