| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○組織 (推奨): | 1. | 徳島大学.大学院ソシオテクノサイエンス研究部.ライフシステム部門.物質変換化学 (2006年4月1日〜2016年3月31日)
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| ○著者 (必須): | 1. | 平野 朋広 ([徳島大学.大学院社会産業理工学研究部.理工学域.応用化学系.物質合成化学分野]/[徳島大学.理工学部.理工学科.応用化学システムコース.物質合成化学講座])
| ○役割 (任意): | □ | 共著
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| 2. | (英) Nakamura Kimihiko (日) (読)
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| 3. | (英) Kamikubo Takahiro (日) (読)
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| 4. | (英) Ishii Satoshi (日) (読)
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| 5. | (英) Tani Kanami (日) (読)
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| 6. | 森 健
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| 7. | 佐藤 恒之
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| ○題名 (必須): | □ | (英) Hydrogen-bond-assisted syndiotactic-specific radical polymerizations of N-alkylacrylamides: The effect of the N-substituents on the stereospecificities and unusual large hysteresis in the phase-transition behavior of aqueous solution of syndiotactic poly(N-n-propylacrylamide) (日)
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| ○要約 (任意): | □ | (英) The radical polymerizations of N-alkylacrylamides, such as N-methyl-(NMAAm), N-n-propyl-(NNPAAm), N-benzyl-(NBnAAm), and N-(1-phenylethyl)acrylamides (NPhEAAm), at low temperatures were investigated in the absence or presence of hexamethylphosphoramide (HMPA) and 3-methyl-3-pentanol (3Me3PenOH), which induced the syndiotactic specificities in the radical polymerization of N-isopropylacrylamide (NIPAAm). In the absence of the syndiotactic-specificity inducers, the syndiotacticities of the obtained polymers gradually increased as the bulkiness of the N-substituents increased. Both HMPA and 3Me3PenOH induced the syndiotactic specificities in the NNPAAm polymerizations as well as in the NIPAAm polymerizations. The addition of 3Me3PenOH into the polymerizations of NMAAm significantly induced the syndiotactic specificities, whereas the tacticities of the obtained polymers were hardly affected by adding HMPA. In the polymerizations of bulkier monomers, such as NBnAAm and NPhEAAm, HMPA worked as the syndiotactic specificity inducer at higher temperatures, whereas 3Me3PenOH hardly influenced the stereospecificity. The phase-transition behaviors of the aqueous solutions of poly(NNPAAm)s were also investigated. It appeared that the poly (NNPAAm) with racemo dyad content of 70% exhibited unusual large hysteresis between the heating and cooling processes. (日) HMPAや3Me3PenOHをN-アルキルアクリルアミドのラジカル重合系に添加し，シンジオタクチックポリマーを合成した．また，シンジオタクチックポリ(N-n-プロピルアクリルアミド)の水溶液が大きなヒステリシスを示すことを見出した．
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| ○誌名 (必須): | □ | Journal of Polymer Science Part A: Polymer Chemistry ([John Wiley & Sons, Inc.])
(pISSN: 0887-624X, eISSN: 1099-0518)
| ○ISSN (任意): | □ | 0887-624X
ISSN: 0887-624X
(pISSN: 0887-624X, eISSN: 1099-0518) Title: Journal of polymer science. Part A, Polymer chemistryTitle(ISO): J Polym Sci A Polym ChemPublisher: Wiley (NLM Catalog)
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| ○巻 (必須): | □ | 46
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| ○号 (必須): | □ | 13
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| ○頁 (必須): | □ | 4575 4583
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| ○年月日 (必須): | □ | 西暦 2008年 7月 1日 (平成 20年 7月 1日)
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| ○DOI (任意): | □ | 10.1002/pola.22797 (→Scopusで検索)
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