Abstract
4-Vinyl pyridine–methacrylonitrile (V/M) copolymers of different composition were prepared by bulk polymerization using benzoyl peroxide as an initiator. The copolymer composition was determined from quantitative 13C{1H}-NMR spectra. The reactivity ratios for V/M copolymer obtained from a linear Kelen-Tudos method (KT) and nonlinear error-in-variables method (EVM) are rV = 0.79 ± 0.12, rM = 0.38 ± 0.09 and rV = 0.79 ± 0.13, rM = 0.38 ± 0.07, respectively. The complete spectral assignment in term of compositional and configurational sequences of these copolymers were done with the help of distortionless enhancement by polarization transfer (DEPT), two-dimensional heteronuclear single quantum coherence spectroscopy (HSQC). Total correlated spectroscopy (TOCSY) experiment was used to assign the various three-bond 1H-1H couplings in the V/M copolymer. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 88: 3232–3238, 2003
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