Phase separation in polyurethanes - a deuterium NMR study Dumais, J. J. ; Jelinski, L. W. ; Leung, L. M. ; Gancarz, I. ; Galambos, A. ; Koberstein, J. T. Abstract Publication: Macromolecules Pub Date: January 1985 DOI: 10.1021/ma00143a019 Bibcode: 1985MaMol..18..116D