論文
85. Yamin, N.; Tosaka, M.; Yamago, S. Elucidation of the Termination Mechanism of the Radical Polymerization of Isoprene. Macromolecules 58, 4665–4672 (2025). [Link]
84. Tong, T.; Kibune, M.; Tosaka, M.; Matsumiya, Y.; Watanabe, H.; Yamago, S. Melt Rheology of Dendritic Hyperbranched Polyacrylates Synthesized by Controlled Radical Polymerization: Evidence of Self‑Similar Branch Structure Formation. Journal of the American Chemical Society 147, 25652–25661 (2025). [Link]
83. Yamago, S.; Tong, T.; Tosaka, M.; Morimitsu, Y.; Tanaka, K. Atomic Force Microscopy Visualization of Branches in Dendritic Hyperbranched Polymers Synthesized by One‑Step Radical Polymerization. ChemRxiv (preprint) (June 17, 2025). [Link]
82. Takahashi, K.; Mamitsuka, H.; Tosaka, M.; Zhu, N.; Yamago, S. CoPolDB: a copolymerization database for radical polymerization. Polymer Chemistry 15, 965–971 (2024). [Link]
81. Jiang, Y.; Kibune, M.; Tosaka, M.; Yamago, S. Practical synthesis of dendritic hyperbranched polyacrylates and their topological block polymers by organotellurium‑mediated emulsion polymerization in water. Angewandte Chemie International Edition 62, e202306916 (2023). [Link]
80. Tosaka, M.; Takeuchi, H.; Kibune, M.; Tong, T.; Zhu, N.; Yamago, S. Stochastic simulation of controlled radical polymerization forming dendritic hyperbranched polymers. Angewandte Chemie International Edition 62, e202305127 (2023). [Link]
79. Jiang, Y.; Fan, W.; Tosaka, M.; Yamago, S. Controlled synthesis of high‑molecular‑weight polystyrene and its block copolymers by emulsion organotellurium‑mediated radical polymerization. ACS Macro Letters 11, 1331–1335 (2022). [Link]
78. 登阪雅聡; 丸山隆之. カーボンブラック充填天然ゴムの伸長結晶化過程における物質移動. 日本ゴム協会誌 95, 207–211 (2022). [Link]
77. Rattanakawin, P.; Yoshimoto, K.; Hikima, Y.; Nagamine, S.; Jiang, Y.; Tosaka, M.; Yamago, S.; Ohshima, M. Control of the cell structure of UV‑induced chemically blown nanocellular foams by self‑assembled block copolymer morphology. Macromolecules 55, 5176–5187 (2022). [Link]
76. Jiang, Y.; Fan, W.; Tosaka, M.; Cunningham, M. F.; Yamago, S. Fabrication of structurally controlled poly(n‑butyl acrylate) particles by ab initio emulsion organotellurium‑mediated radical polymerization. Synthesis of high molecular weight homo and block copolymers. Macromolecules 54, 10691–10699 (2021). [Link]
75. Park, B.; Tosaka, M.; Yamago, S. Crystallization of isotactic poly(N,N‑diethyl acrylamide) synthesized by ytterbium triflate/H₂O‑catalyzed stereoselective radical polymerization. Polymer Journal 53, 533–538 (2021). [Link]
74. Rattanakawin, P.; Yoshimoto, K.; Hikima, Y.; Chandra, A.; Hayakawa, T.; Tosaka, M.; Yamago, S.; Ohshima, M. Highly ordered nanocellular polymeric foams generated by UV‑induced chemical foaming. ACS Macro Letters 9, 1433–1438 (2020). [Link]
73. Tosaka, M.; Kumagawa, D. Reexamination of the equilibrium melting temperature of natural rubber crystals. Polymer Journal 52, 255–259 (2020). [Link]
72. 登阪雅聡; 丸山隆之. カーボンブラック含有加硫天然ゴムの亀裂先端に見出された多元的構造変化. 日本ゴム協会誌 92, 171–173 (2019). [Link]
71. Duy, L. N.; Sekiya, R.; Tosaka, M.; Yamago, S.; Matsumoto, T.; Nishino, T.; Ichikawa, T.; Haino, T. Organogelators of 5,17‑difunctionalized calix[4]arenes. Chemistry Letters 48, 43–46 (2019). [Link]
70. Gros, A.; Huneau, B.; Verron, E.; Tosaka, M. A physically‑based model for strain‑induced crystallization in natural rubber. Part I: Life cycle of a crystallite. Journal of the Mechanics and Physics of Solids 125, 164–177 (2019). [Link]
69. Osaka, N.; Minematsu, Y.; Tosaka, M. Influence of lithium salt‑induced phase separation on thermal behaviors of poly(vinylidene fluoride)/ionic liquid gels and pore/void formation by competition with crystallization. RSC Advances 8, 40570–40580 (2018). [Link]
68. Tosaka, M.; Shigeki, E. Triaxially oriented shape memory natural rubber. Polymer 157, 151–155 (2018). [Link]
67. Tosaka, M.; Tashiro, K. Crystal polymorphism and structure models of Poly(dimethylsiloxane). Polymer 153, 507–520 (2018). [Link]
66. Tosaka, M.; Oue, S.; Gros, A.; Huneau, B.; Verron, E.; Poompradub, S. Formation of crystallites with low surface energy–A key to understand the crystallization of oriented polymer. Journal of Fiber Science and Technology 74, 133–142 (2018). [Link]
65. Fan, W.; Tosaka, M.; Yamago, S.; Cunningham, M. F. Living ab initio emulsion polymerization of methyl methacrylate in water using a water‑soluble organotellurium chain transfer agent under thermal and photochemical conditions. Angewandte Chemie International Edition 57, 962–966 (2018). [Link]
64. Lu, Y.; Nemoto, T.; Tosaka, M.; Yamago, S. Synthesis of structurally controlled hyperbranched polymers using a monomer having hierarchical reactivity. Nature Communications 8, Article 1863 (2017). [Link]
63. 登阪雅聡; 丸山隆之. 放射光を用いた，天然ゴム亀裂先端における伸長誘起結晶のWAXDマッピング解析. 日本ゴム協会誌 90, 359–362 (2017). [Link]
62. Gros, A.; Tosaka, M.; Huneau, B.; Verron, E.; Poompradub, S.; Senoo, K. Dominating factor of strain‑induced crystallization in natural rubber. Polymer 76, 230–236 (2015). [Link]
61. Tien, N.-D.; Nishikawa, Y.; Hashimoto, M.; Tosaka, M.; Sasaki, S.; Sakurai, S. Three‑dimensional analyses of spherulite morphology in poly(oxyethylene) and its blends with amorphous poly(d,l‑lactic acid) using X‑ray computerized tomography. Polymer Journal 47, 35–44 (2015). [Link]
60. Hirao, T.; Tosaka, M.; Yamago, S.; Haino, T. Supramolecular fullerene polymers and networks directed by molecular recognition between calix[5]arene and C60. Chemistry – A European Journal 20, 16138–16146 (2014). [Link]
59. Kameda, T.; Nemoto, T.; Ogawa, T.; Tosaka, M.; Kurata, H.; Schaper, A. K. Evidence of α‑helical coiled coils and β‑sheets in hornet silk. Journal of Structural Biology 185, 303–308 (2014). [Link]
58. Tosaka, M.; Noda, M.; Ito, K.; Senoo, K.; Aoyama, K.; Ohta, N. Strain‑ and temperature‑induced polymorphism of poly(dimethylsiloxane). Colloid and Polymer Science 291, 2719–2724 (2013). [Link]
57. Asakawa, H.; Nishida, K.; Kanaya, T.; Tosaka, M. Giant single crystal of isotactic polypropylene showing near‑equilibrium melting temperature. Polymer Journal 45, 287–292 (2013). [Link]
56. 登阪雅聡; 妹尾政宣. プラズモン共鳴の異方性を示す金ナノ粒子／PDMSコンポジット. 材料 62, 13–17 (2013). [Link]
55. Tosaka, M.; Senoo, K.; Sato, K.; Noda, M.; Ohta, N. Detection of fast and slow crystallization processes in instantaneously‑strained samples of cis‑1,4‑polyisoprene. Polymer 53, 864–872 (2012). [Link]
54. 登阪雅聡. 架橋ゴムの伸長による分子配向と結晶化および応力緩和. 日本ゴム協会誌 84, 81–85 (2011). [Link]
53. Nomoto, Y.; Matsunaga, T.; Sakai, T.; Tosaka, M.; Shibayama, M. Structure and physical properties of dried Tetra‑PEG gel. Polymer 52, 4123–4128 (2011). [Link]
52. 登阪, 雅聡; 市田, 順寛; 中沖, 隆彦. 高分子配向薄膜を被覆した流路による金ナノ粒子チェーンの形成. 材料 60, 47–50 (2011). [Link]
51. Tosaka, M.; Toki, S.; Che, J.; Rong, L.; Hsiao, B. S. Development of internal fine structure in stretched rubber vulcanizates. Journal of Polymer Science, Part B: Polymer Physics 49, 1157–1162 (2011). [Link]
50. Tosaka, M.; Kohjiya, S.; Ikeda, Y.; Toki, S.; Hsiao, B. S. Molecular orientation and stress relaxation during strain‑induced crystallization of vulcanized natural rubber. Polymer Journal 42, 474–481 (2010). [Link]
49. Tosaka, M.; Yamaguchi, K.; Tsuji, M. Latent orientation in the skin layer of electrospun isotactic polystyrene ultrafine fibers. Polymer 51, 547–553 (2010). [Link]
48. Tosaka, M. A route for the thermodynamic description of strain‑induced crystallization in sulfur‑cured natural rubber. Macromolecules 42, 6166–6174 (2009). [Link]
47. 登阪雅聡; 村地優樹; 辻正樹. 配向ポリテトラフルオロエチレン基板を用いたナノ粒子チェーンの自己組織化. 材料 58, 41–45 (2009). [Link]
46. 登阪雅聡; 古谷昌大; 辻正樹; 池田裕子; 粷谷信三; Wititsuwannakul, D.; Wititsuwannakul, R.; 永山國昭; Danev, R. 新鮮なラテックスから分別された天然ゴムの伸長結晶化. 材料 58, 5–10 (2009). [Link]
45. Ikeda, Y.; Yasuda, Y.; Hijikata, K.; Tosaka, M.; Kohjiya, S. Comparative study on strain‑induced crystallization behavior of peroxide cross‑linked and sulfur cross‑linked natural rubber. Macromolecules 41, 5876–5884 (2008). [Link]
44. Ikeda, Y.; Kato, A.; Shimanuki, J.; Kohjiya, S.; Tosaka, M.; Poompradub, S.; Toki, S.; Hsiao, B. S. Nano‑structural elucidation in carbon black loaded NR vulcanizate by 3D‑TEM and in situ WAXD measurements. Rubber Chemistry and Technology 80, 251–264 (2007). [Link]
43. Tosaka, M.; Senoo, K.; Kohjiya, S.; Ikeda, Y. Crystallization of stretched network chains in cross‑linked natural rubber. Journal of Applied Physics 101, 084909 (8 pages) (2007). [Link]
42. Kohjiya, S.; Tosaka, M.; Furutani, M.; Ikeda, Y.; Toki, S.; Hsiao, B. S. Role of stearic acid in the strain‑induced crystallization of crosslinked natural rubber and synthetic cis‑1,4‑polyisoprene. Polymer 48, 3801–3808 (2007). [Link]
41. Ikeda, Y.; Yasuda, Y.; Makino, S.; Yamamoto, S.; Tosaka, M.; Senoo, K.; Kohjiya, S. Strain‑induced crystallization of peroxide‑crosslinked natural rubber. Polymer 48, 1171–1175 (2007). [Link]
40. Tosaka, M.; Tsuji, M.; Ogawa, T.; Kitano, H.; Nakano, K.; Kohjiya, S.; Danev, R.; Nagayama, K. Self‑assembly of nano‑sized arrays on highly oriented thin films of poly(tetrafluoroethylene). Polymer 47, 951–955 (2006). [Link]
39. Tosaka, M.; Kawakami, D.; Senoo, K.; Kohjiya, S.; Ikeda, Y.; Toki, S.; Hsiao, B. S. Crystallization and stress relaxation in highly‑stretched samples of natural rubber and its synthetic analogue. Macromolecules 39, 5100–5105 (2006). [Link]
38. Kojima, M.; Tosaka, M.; Funami, E.; Nitta, K.; Ohshima, M.; Kohjiya, S. Phase behavior of crosslinked polyisoprene rubber and supercritical carbon dioxide. Journal of Supercritical Fluids 35, 175–181 (2005). [Link]
37. Tosaka, M.; Danev, R.; Nagayama, K. Application of phase contrast transmission microscopic methods to polymer materials. Macromolecules 38, 7884–7886 (2005). [Link]
36. Hirano, K.; Suzuki, K.; Nakano, K.; Tosaka, M. Phase separation structure in the polymer blend of fluorocarbon elastomer and hydrogenated nitrile rubber. Journal of Applied Polymer Science 95, 149–156 (2005). [Link]
35. Toki, S.; Sics, I.; Hsiao, B. S.; Tosaka, M.; Poompradub, S.; Ikeda, Y.; Kohjiya, S. Probing the nature of strain‑induced crystallization in polyisoprene rubber by combined thermomechanical and in situ X‑ray diffraction techniques. Macromolecules 38, 7064–7073 (2005). [Link]
34. Kojima, M.; Tosaka, M.; Ikeda, Y.; Kohjiya, S. Devulcanization of carbon black filled natural rubber by using supercritical carbon dioxide. Journal of Applied Polymer Science 95, 137–143 (2005). [Link]
33. Poompradub, S.; Tosaka, M.; Kohjiya, S.; Ikeda, Y.; Toki, S.; Sics, I.; Hsiao, B. S. Mechanism of strain‑induced crystallization in filled and unfilled natural rubber vulcanizates. Journal of Applied Physics 97, 103529 (9 pages) (2005). [Link]
32. Toki, S.; Sics, I.; Ran, S.; Liu, L.; Hsiao, B. S.; Murakami, S.; Tosaka, M.; Kohjiya, S.; Poompradub, S.; Ikeda, Y.; Tsou, A. H. Strain‑induced molecular orientation and crystallization in natural and synthetic rubbers under uniaxial deformation by in‑situ synchrotron X‑ray study. Rubber Chemistry and Technology 77, 317–335 (2004). [Link]
31. Kojima, M.; Tosaka, M.; Ikeda, Y. Chemical recycling of sulfur‑cured natural rubber using supercritical carbon dioxide. Green Chemistry 6, 84–89 (2004). [Link]
30. Toki, S.; Sics, I.; Hsiao, B. S.; Murakami, S.; Tosaka, M.; Poompradub, S.; Kohjiya, S.; Ikeda, Y. Structural developments in synthetic rubbers during uniaxial deformation by in situ synchrotron X‑ray diffraction. Journal of Polymer Science, Part B: Polymer Physics 42, 956–964 (2004). [Link]
29. Poompradub, S.; Tosaka, M.; Kohjiya, S.; Ikeda, Y.; Toki, S.; Sics, I.; Hsiao, B. S. Lattice deformation of strain‑induced crystallites in carbon‑filled natural rubber. Chemistry Letters 33, 220–221 (2004). [Link]
28. Tosaka, M.; Kohjiya, S.; Murakami, S.; Poompradub, S.; Ikeda, Y.; Toki, S.; Sics, I.; Hsiao, B. S. Effect of network‑chain length on strain‑induced crystallization of NR and IR vulcanizates. Rubber Chemistry and Technology 77, 711–723 (2004). [Link]
27. Tosaka, M.; Murakami, S.; Poompradub, S.; Kohjiya, S.; Ikeda, Y.; Toki, S.; Sics, I.; Hsiao, B. S. Orientation and crystallization of natural rubber network as revealed by WAXD using synchrotron radiation. Macromolecules 37, 3299–3309 (2004). [Link]
26. Bedia, E. L.; Paglicawan, M. A.; Bernas, C. V.; Bernardo, S. T.; Tosaka, M.; Kohjiya, S. Natural weathering of polypropylene in a tropical zone. Journal of Applied Polymer Science 87, 931–938 (2003). [Link]
25. Udal’tsov, A. V.; Tosaka, M.; Kaupp, G. Microscopy of large‑scale porphyrin aggregates formed from protonated TPP dimers in water‑organic solutions. Journal of Molecular Structure 660, 15–23 (2003). [Link]
24. Kojima, M.; Ogawa, K.; Mizoshima, H.; Tosaka, M.; Kohjiya, S.; Ikeda, Y. Devulcanization of sulfur‑cured isoprene rubber in supercritical carbon dioxide. Rubber Chemistry and Technology 76, 957–968 (2003). [Link]
23. Murakami, K.; Iio, S.; Ikeda, Y.; Ito, H.; Tosaka, M.; Kohjiya, S. Effect of silane‑coupling agent on natural rubber filled with silica generated in situ. Journal of Materials Science 38, 1447–1455 (2003). [Link]
22. Tosaka, M.; Endo, Y.; Tsuji, M.; Kohjiya, S. Stacking faults and growth of syndiotactic polypropylene crystals. Journal of Macromolecular Science – Physics 42 B, 559–567 (2003). [Link]
21. 登阪雅聡; Kaupp, G. High‑resolution observation of nanoindentation in uniaxially oriented poly(tetrafluoroethylene) films. 高分子論文集 59, 665–668 (2002). [Link]
20. Tosaka, M.; Endo, Y.; Murakami, S.; Tsuji, M.; Kohjiya, S.; Ogawa, T.; Isoda, S. High‑resolution electron microscopy of lamellar crystals of syndiotactic polypropylene. Sen‑i Gakkaishi 57, 244–246 (2001). [Link]
19. Endo, Y.; Tosaka, M.; Murakami, S.; Tsuji, M.; Kohjiya, S. シンジオタクチックポリプロピレンの溶融生長ラメラ状結晶における積層欠陥の定量的解析. 繊維学会誌 57, 207–211 (2001). [Link]
18. Senoo, K.; Endo, K.; Tosaka, M.; Murakami, S.; Kohjiya, S. Polymorphic behavior of syndiotactic polystyrene‑based graft copolymers with polystyrene and polyisoprene side chains. Macromolecules 34, 1267–1273 (2001). [Link]
17. Bedia, E. L.; Tsuji, M.; Tosaka, M.; Ohara, M.; Kohjiya, S. Morphologies of melt‑crystallized thin films of nylon‑6, nylon‑6,6, and their blends as revealed by transmission electron microscopy. Journal of Macromolecular Science – Physics B40, 1079–1096 (2001). [Link]
16. Tosaka, M.; Kamijo, T.; Tsuji, M.; Kohjiya, S.; Ogawa, T.; Isoda, S.; Kobayashi, T. High‑resolution transmission electron microscopy of crystal transformation in solution‑grown lamellae of isotactic polybutene‑1. Macromolecules 33, 9666–9672 (2000). [Link]
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14. Senoo, K.; Endo, K.; Murakami, S.; Tosaka, M. Crystallization of newly synthesized syndiotactic graft copolymers. Chemistry Letters 29, 278–279 (2000). [Link]
13. Tosaka, M.; Hamada, N.; Yamakawa, M.; Tsuji, M.; Kohjiya, S. Molecular packing in the new unit cell of poly(p‑hydroxybenzoic acid) whisker crystal. Computational and Theoretical Polymer Science 10, 355–364 (2000). [Link]
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11. Tosaka, M.; Yamakawa, M.; Tsuji, M.; Murakami, S.; Kohjiya, S. Structural studies on polymer whiskers by transmission electron microscopy. II. Unit cell of poly(p‑hydroxybenzoic acid) whisker crystal at room temperature. Journal of Polymer Science, Part B: Polymer Physics 37, 2456–2462 (1999). [Link]
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9. Tosaka, M.; Tsuji, M.; Kohjiya, S.; Cartier, L.; Lotz, B. Crystallization of syndiotactic polystyrene in β‑form. 4: Crystal structure of melt‑grown modification. Macromolecules 32, 4905‑4911 (1999). [Link]
8. Tosaka, M.; Tsuji, M.; Cartier, L.; Lotz, B.; Kohjiya, S.; Ogawa, T.; Isoda, S.; Kobayashi, T. High‑resolution TEM of the melt‑crystallized modification of syndiotactic polystyrene. Polymer 39, 5273‑5275 (1998). [Link]
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6. Hamada, N.; Tosaka, M.; Tsuji, M.; Kohjiya, S.; Katayama, K. Crystallization of syndiotactic polystyrene in β‑form. 2: Quantification of stacking faults in the solution‑grown single crystals. Macromolecules 30, 6888‑6892 (1997). [Link]
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総説・解説
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2. 辻正樹; 登阪雅聡; 粷谷信三. 高分解能電子顕微鏡で見た高分子結晶. 日本化学繊維研究所講演集 54, 67–74 (1997).
1. 登阪雅聡. 一軸配向超薄膜を用いた高分子の構造制御. 海外高分子研究 42, 9–10 (1996).
著書
6. 登阪雅聡. 第10章「架橋ゴムの伸長による結晶化―高強度化への布石―」, pp. 95–103. 高分子の結晶化、延伸による高性能化; シーエムシー出版: 東京, 2024.
5. Li, W.; Tosaka, M.; Yamago, S. Chapter 7, “Synthesis of a Structurally Controlled Polyacrylonitrile Gel for Energy-Storage Devices by an Organotellurium-mediated Radical Copolymerization and Subsequent Cross-linking reaction”, pp. 129–142. In Reversible Deactivation Radical Polymerization: From Mechanisms to Materials and Applications; Matyjaszewski, K.; Gao, H.; Sumerlin, B. S.; Tsarevsky, N. V., Eds.; ACS Symposium Series; American Chemical Society: Washington, DC, 2018.
4. Tosaka, M. Chapter 17, “Morphology of Strain-Induced Crystals in Vulcanized Natural Rubber”, pp. 563–573. In Rubber: Types, Properties and Uses; Popa, G. A., Ed.; Nova Science Publishers, Inc.: New York, 2011.
3. 登阪雅聡. キンク p.147、結晶塑性 p.174、結晶粒界 p.175、格子欠陥 p.194、転位 p.403、点欠陥 p.409、パイエルス力 p.466、ラテラルオーダー p.660. 高分子辞典 第3版; 高分子学会編、朝倉書店: 東京, 2005.
2. Tosaka, M. “High-Resolution Transmission Electron Microscopy of Crystalline Polymers”, pp. 45–56. In Recent Research Development in Macromolecules Research, Vol. 4; Pandalai, S. G., Ed.; Research Signpost: Trivandrum, India, 1999.
1. 辻正樹, 登阪雅聡. 第1章1.1.2節「試料作製法と測定法・測定例」. 新高分子実験学講座6 高分子の構造(2) 散乱実験と形態観察; 高分子学会編、共立出版: 東京, 1997.
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