End-group 1-cyano-l-methylethyl resonances from copolymers of phenyl methacrylate or methyl methacrylate with styrene have been examined using a phase-sensitive two-dimensional 13C-1H shift-correlation experiment. Proton shift values for the methyl resonances, totally obscured on one-dimensional 1H spectra, could be identified and microstructural information observed.
Посилання на статтю:
Heteronuclear two-dimensional n.m.r, study of polymers: '3C-1H shift correlations for resonances from 1-cyano-1-methylethyl end groups / J. C. Bevington and T. N. Huckerby // Polymer. – 1992. – Vol 33. – P. 1323-1325.