Crosslinking junctions of vulcanized natural rubber analyzed by solid-state NMR spectroscopy equipped with field-gradient-magic angle spinning probe |
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Authors: | Seiichi Kawahara Oraphin Chaikumpollert Yoshimasa Yamamoto |
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Affiliation: | a Department of Materials Science and Technology, Faculty of Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan b JEOL Ltd., 1-2-3 Musashino, Akishima, Tokyo 196-8556, Japan |
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Abstract: | Crosslinking junctions of vulcanized natural rubber were analyzed by solid-state NMR spectroscopy equipped with a field-gradient high speed magic angle spinning probe. Resolution of 1H and 13C NMR spectra and correlations between 1H and 13C of the vulcanized natural rubber were investigated by one- and two-dimensional measurements, including inverse correlation measurements. The number of substitution of the carbon atom at the crosslinking junctions was determined by solid-state NMR spectroscopy. |
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Keywords: | NMR Natural rubber Crosslinking junctions |
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