Methacrylonitrile-vinylidene chloride-butyl acrylate terpolymers: Monomer sequence determination by one- and two-dimensional NMR spectroscopy

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作者
Brar, AS [1 ]
Pradhan, DR [1 ]
Hooda, S [1 ]
机构
[1] Indian Inst Technol, Dept Chem, New Delhi 110016, India
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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 C-13{H-1} 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 H-1 and C-13{H-1} NMR spectra of terpolymers have been assigned without ambiguity with the help of 2D HSQC NMR spectroscopic techniques.
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页码:2066 / 2072
页数:7
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