Výsledky vyhledávání - "Shinsuke Nakamoto"

Generation and relaxation of large stress in the photoinduced solid-state polymerization reaction of diethyl muconate detected by simultaneous time-resolved measurement of X-ray diffraction and Raman spectra

Autor: Kohji Tashiro, Akikazu Matsumoto, T. Fujii, Shinsuke Nakamoto

Publikováno v: Polymer. 44:6043-6049

Simultaneous measurement of X-ray diffraction and Raman spectra has been performed for studying the structural changes in the photoinduced solid-state polymerization reaction of diethyl Z,Z-muconate (EMU) single crystal. As the reaction proceeded, th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c81f64df91ba3f35ee8b05dde59a1be4
https://doi.org/10.1016/s0032-3861(03)00556-1

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Quantitative evaluation of stress distribution in bulk polymer samples through the comparison of mechanical behaviors between giant single-crystal and semicrystalline samples of poly(trans-1,4-diethyl muconate)

Autor: Shinsuke Nakamoto, Kohji Tashiro, Akikazu Matsumoto

Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 41:444-453

The Raman shift and crystallite modulus were measured under the application of tensile force for a giant single crystal and a series of uniaxially oriented semicrystalline samples of poly(trans-1,4-diethyl muconate) (polyEMU). The apparent Raman shif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::483cc17757c4368c43cc0be905943a60
https://doi.org/10.1002/polb.10396

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Vibrational Spectroscopic Study on the Molecular Deformation Mechanism of a Poly(trans-1,4-diethyl muconate) Single Crystal Subjected to Tensile Stress

Autor: Akikazu Matsumoto, Kohji Tashiro, Shinsuke Nakamoto

Publikováno v: Macromolecules. 36:109-117

A giant single crystal of poly(trans-1,4-diethyl muconate), obtained from the single crystal of the corresponding monomer by photoinduced solid-state polymerization reaction, was put under tension ...

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https://doi.org/10.1021/ma021090q

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Crystal Engineering for Topochemical Polymerization of Muconic Esters Using Halogen−Halogen and CH/π Interactions as Weak Intermolecular Interactions

Autor: Takashi Tsubouchi, Akikazu Matsumoto, Shinsuke Nakamoto, Seishi Saragai, Toshihiro Tanaka, Kohji Tashiro

Publikováno v: Journal of the American Chemical Society. 124:8891-8902

We now report the molecular and crystal structure design of muconic ester derivatives on the basis of crystal engineering using halogen-halogen contacts and CH/pi interactions. The solid-state photoreaction pathway of the dibenzyl (Z,Z)-muconates as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cb3b8ba6d0c129a57a87983b7b3636f
https://doi.org/10.1021/ja0205333

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Vibrational spectroscopic study on the photo-induced solid-state reactions of a series of muconate diesters with various side groups

Autor: Seishi Saragai, Shinsuke Nakamoto, Takashi Tsubouchi, Akikazu Matsumoto, Kohji Tashiro

Publikováno v: Polymer. 42:6747-6757

In order to clarify the photo-induced solid-state reactions of a series of dialkyl Z,Z-muconates, the time-resolved FT–IR measurements were performed. From the observations of the IR spectral changes in these reactions, the following three types of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::adfe85c88d0589c3af3956f6eb01c43a
https://doi.org/10.1016/s0032-3861(01)00014-3

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Relationship between Packing Structure and Monomer Reactivity in the Photoinduced Solid-State Polymerizations of Muconic Diesters with Different Side Groups

Autor: Seishi Saragai, Takashi Tsubouchi, Shinsuke Nakamoto, and Akikazu Matsumoto, Kohji Tashiro

Publikováno v: The Journal of Physical Chemistry B. 105:4155-4165

To clarify the relation between packing structure and reactivity of monomer molecules in the photoinduced solid-state polymerization, we analyzed crystal structures by X-ray diffraction for a series of dialkyl muconates with various types of side gro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1130a8d20ab063d5eb7343488a9784a
https://doi.org/10.1021/jp0040502

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Comparison of Crystal Structure between Low- and High-Temperature Phases of Diethyl (Z,Z)-muconate. A Trial to Investigate the Reasons Why the Solid-State Polymerization Reaction Is Ceased at Low Temperature

Autor: Shinsuke Nakamoto, Akikazu Matsumoto, Kohji Tashiro, Seishi Saragai, Toshiya Kamae, Takashi Tsubouchi

Publikováno v: Polymer Journal. 33:199-203

Diethyl (Z,Z)-muconate (EMU) shows the topotactic polymerization reaction in the solid-state by an irradiation of light. This reaction occurs quite rapidly at room temperature but reduces its rate gradually at lower temperature and does not occur at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4475889f5469be379e1a06cb99d3e4b
https://doi.org/10.1295/polymj.33.199

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Feature of γ-Radiation Polymerization of Muconic Acid Derivatives in the Crystalline State

Autor: Seishi Saragai, Toru Odani, Shinsuke Nakamoto, Kohji Tashiro, Akikazu Matsumoto, Kayoko Katayama, Kunio Oka

Publikováno v: Macromolecules. 33:7786-7792

Diethyl (Z,Z)-muconate (EMU), di(benzylammonium) (Z,Z)-muconate, and its chloro-substituted derivatives are highly susceptive to γ-irradiation and polymerize in high yields in the crystalline state. γ-Radiation polymerization produces the same ster

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https://doi.org/10.1021/ma9917038

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CARBON BLACK (VII)

Autor: Shinnosuke Miyauchi, Kumakazu Ohkita, Yuichi Amaya, Shinsuke Nakamoto

Publikováno v: NIPPON GOMU KYOKAISHI. 47:830-838

フタリル•ポリペルオキシド (PPO) を開始剤として, カーボンブラックの存在下あるいはそれを含まない系でスチレンやメチルメタクリレートの重合反応を調べ, 過酸化ベンゾイルを用い�

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https://doi.org/10.2324/gomu.47.830

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