Abstract
For the first time, in situ NMR measurements were performed during sulfur vulcanization of unfilled SBR. A vulcanization device was constructed for use in combination with a standard microimaging probe in a vertical bore NMR magnet.1H-linewidth measurements are correlated with cure simulations in a vulcameter to explain the increase of the linewidth during the vulcanization. Inhomogeneous heating conditions in the sample result in an inhomogeneous course of the vulcanization as a function of time. The spatial dependence of this process was monitored by NMR imaging.
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Fülber, C., Unseld, K., Herrmann, V. et al. In situ investigation of SBR vulcanization: A combined study of1H-NMR and vulcametry. Colloid Polym Sci 274, 191–196 (1996). https://doi.org/10.1007/BF00665635
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DOI: https://doi.org/10.1007/BF00665635