Brar, A. S. ; Arunan, E. ; Kapur, G. S. (1989) Sequence determination in acrylic acid-methyl methacrylate copolymers by 13C and 1H NMR spectroscopy Polymer Journal, 21 (9). pp. 689-695. ISSN 0032-3896
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Official URL: http://www.jstage.jst.go.jp/article/polymj/21/9/21...
Related URL: http://dx.doi.org/10.1295/polymj.21.689
Abstract
Acrylic acid(AA)-methyl methacrylate(MMA) copolymers of varying compositions were prepared in bulk using benzoyl peroxide as an initiator. 13C and 1H NMR spectra of the copolymers were recorded and analyzed. From the observed copolymer composition provided by 1H NMR, reactivity ratios were determined. The compositional triad sequences were determined by using carbonyl and α-methyl resonances. The experimentally determined triad concentrations showed good agreement with theoretical distribution, calculated using Bernoullian statistics and Harwood's program, as the copolymers were random in nature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The Society of Polymer Science, Japan. |
| Keywords: | 13C NMR; Triad Sequence; Reactivity Ratios; Bernoullian Statistics; Harwood's Program |
| ID Code: | 48245 |
| Deposited On: | 14 Jul 2011 06:46 |
| Last Modified: | 14 Jul 2011 06:46 |
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