Complete triad assignment in the NMR spectra of methyl methacrylate–methacrylic acid copolymers
✍ Scribed by Klesper, E. ;Gronski, W.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1969
- Tongue
- English
- Weight
- 491 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0449-2986
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Unusual assignments have been observed for the 1H-NMR of alkoxy groups in syndiotactic methyl methacrylate-methacrylic acid (MMA-MAA) copolymers and methyl methacrylate-diphenylmethyl methacrylate (MMA-DPMMA) copolymers. Thereby, the alkoxy groups --OCH3 and --OCH < show a degenerate pentad assignme
The influence of methacrylic acid (A) dimerization in toluene on its copolymerization with methyl meth.acrylate (B) was studied. It was established that as a result of this influence the dependence of the conAgurationa1 triad mole fraction on the monomer feed is non-linear, r, = 1.05 k 0.03, rs = 0.