Paik Sung, C.; Smith, Thomas; Sung, N. (American Chemical Society: Macromolecules, 1980-01)
: IR spectra of two series of polyether poly(urethaneureas) based on 2,4-toluene diisocyanate, ethylenediamine, and either 1000 or 2000 molecular weight poly(tetramethy1ene oxide) were examined first to elucidate the state ...