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Title: Methacrylonitrile-vinylidene chloride-butyl acrylate terpolymers: Monomer sequence determination by one- and two-dimensional NMR spectroscopy
Authors: Brar, A S
Pradhan, D R
Hooda, Sunita
Issue Date: Oct-2004
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.7 C08F 120/42; G01R 33/20
Abstract: Methacrylonitrile-vinylidene chloride-butyl acrylate (M/V/B) terpolymers of different composition have been prepared by bulk polymerization using benzoyl peroxide as an initiator. The terpolymer compositions have been determined from quantitative assessment of the respective 13C {1H} NMR spectra and the observed values compared with the theoretical values obtained from Alfrey-Goldfinger's equation. The overlapping methine and methylene carbon resonances of terpolymers have been differentiated by DEPT experiments. The quaternary carbon resonances of M/V/B terpolymers have been assigned to triad compositional sequences. The complete 1H and 13C{1H} NMR spectra of terpolymers have been assigned without ambiguity with the help of 2D HSQC MR spectroscopic techniques.
Page(s): 2066-2072
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.43A(10) [October 2004]

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