Summary
A polyurethane ionomer with a specific ionic structure was synthesized in an attempt to induce ionic aggregate dissociation at elevated, but observable temperatures. By means of hot-stage wide-angle x-ray diffraction (WAXD), the dissociation could be clearly detected before the onset of degradation.
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Wei, X., Jin, B. & Yu, X. Hot-stage wide-angle X-ray diffraction studies of the morphology of a polyurethane ionomer. Polymer Bulletin 39, 729–732 (1997). https://doi.org/10.1007/s002890050209
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DOI: https://doi.org/10.1007/s002890050209