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- 河原 成元
- 長岡技術科学大学
書誌事項
- タイトル別名
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- Structural Analysis of Crosslinking Junctions of Vulcanized Natural Rubber by Field Gradient-Fast Magic Angle Spinning Solid-State NMR Spectroscopy
- ジバ コウバイ コウソク マジックカク カイテン コタイ NMRホウ ニ ヨル カリュウテンネン ゴム ノ カケハシテン ノ コウゾウ カイセキ
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Field gradient-fast-magic angle spinning (FG-FMAS) probe, developed for solid-state NMR spectroscopy, was applied to investigate crosslinking junctions of vulcanized natural rubber. Resolution of 1H- and 13C-NMR spectra and correlation between 1H and 13C of the vulcanized natural rubber were investigated by one- and two-dimensional measurements. Signals, appearing between 40 and 60 ppm, were well assigned by FG-FMAS solid state NMR spectroscopy; for instance, signal at 40 ppm was assigned to C1 of trans-1,4-isoprene units, signals at 44 ppm was to secondary carbons adjacent to carbons linking to S atom and signals at 58 ppm were to tertiary and quaternary carbons linking to S atoms. Based on the assignments of the signals, origin of outstanding mechanical properties of the vulcanized natural rubber was related to the structure of crosslinking junctions.
収録刊行物
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- 日本ゴム協会誌
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日本ゴム協会誌 85 (11), 347-353, 2012
一般社団法人 日本ゴム協会
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詳細情報 詳細情報について
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- CRID
- 1390001206563405056
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- NII論文ID
- 10031126199
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- NII書誌ID
- AN00269207
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- COI
- 1:CAS:528:DC%2BC3sXivVSku7s%3D
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- ISSN
- 18840442
- 0029022X
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- NDL書誌ID
- 024078892
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可