Abstract
The reorientational correlation time in carbon tetrachloride of the phenyl groups of polystyrene was measured by Raman-line shape analysis. Up to the point where the molecular weight of the polymer reaches about 1.0×104, the larger the molecular weight, the longer is the reorientational correlation time of the phenyl groups. For molecular weights above 1.0×104, the reorientational correlation time of the phenyl groups levels off at about 4×10−10 sec. The phenyl groups of the polystyrene chains rotate about 130 times more slowly than the molecules of toluene in carbon tetrachloride.
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Nomura, H., Miyahara, Y. The Motion of Polymer Chains in Solutions. I. Reorientational Motion of Phenyl Groups of Polystyrene Chains in Solutions of Carbon Tetrachloride by Raman Line Shape Analysis. Polym J 8, 30–34 (1976). https://doi.org/10.1295/polymj.8.30
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DOI: https://doi.org/10.1295/polymj.8.30