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Polymer chain mobility in polyelectrolyte multilayers

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Abstract

Free-standing polyelectrolyte multilayer membranes have been formed by the layer-by-layer technique using a dip-coating apparatus. The polymer-chain mobility has been studied by 1H relaxation in the rotating frame T 1rho NMR with 13C chemical shift resolution. For each of the individual polymers a single relaxation component has been observed for all resolved signals. In the multilayer a significantly different relaxation time T 1rho has been observed with a minor second component. The interaction between the oppositely charged polyelectrolytes influences the molecular mobility.

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Correspondence to Ulrich Scheler.

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Friess, K., Sagidullin, A., Wiesner, B. et al. Polymer chain mobility in polyelectrolyte multilayers. Polym. Sci. Ser. C 59, 102–105 (2017). https://doi.org/10.1134/S1811238217010040

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  • DOI: https://doi.org/10.1134/S1811238217010040

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