Summary
High resolution solid state 13C-NMR spectra are reported for polyanion-polycation-eomplexes of poly(dimethyldiallyl)-ammonium chloride with some copolymers of acrylic acid and acrylamide, as well as for some component polyelectrolytes. The Coulombic interaction between the macro-ions definitely leads to changes in position and shape of the NMR signals, and an influence of anionic charge density on signal shape is observed. A stepwise transition from a disturbed ladder structure to a scrambled-egg structure with decreasing charge density of the anionic chain in the polysalt is concluded from the experiments.
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Kötz, J., Kunze, J., Linow, KJ. et al. 13C-NMR-spectroscopic investigations on precipitated polyanion-polycation-complexes. Polymer Bulletin 15, 247–252 (1986). https://doi.org/10.1007/BF00255070
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DOI: https://doi.org/10.1007/BF00255070