Abstract
Miscibility and inter-polymer hydrogen bonding of poly(methyl acrylate)/poly-(vinyl phenol)(PMA/PVPh) blend are studied by a two-dimensional 1H–13C heteronuclear correlation experiment in solids. For a short spin-diffusion time of 0.2ms, there are no apparent correlation peaks between the different polymers. After a long spin-diffusion time of 1ms, there appears a correlation peak between the aromatic protons of PVPh and the carbonyl carbon of PMA. The inter-polymer correlation peak is a clear evidence of miscibility on a molecular level and is consistent with the existence of an inter-polymer hydrogen bonding.
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Takegoshi, K., Hikichi, K. Application of a Two-Dimensional 1H-13C Heteronuclear Correlation Experiment in Solids to Polymer Blends. Polym J 26, 1377–1380 (1994). https://doi.org/10.1295/polymj.26.1377
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DOI: https://doi.org/10.1295/polymj.26.1377