Microstructure determination of acrylonitrile/butyl methacrylate copolymers using 13 C NMR spectroscopy

Microstructure determination of acrylonitrile/butyl methacrylate copolymers using 13 C NMR spectroscopy

Acrylonitrile/butyl methacrylate (A/B) copolymers were prepared in bulk with different comonomer feed ratios. The copolymer composition obtained from the total nitrogen content was used for calculating the reactivity ratios. Information about sequence distributions was obtained from 13 C NMR spectro...

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Veröffentlicht in:Die Makromolekulare Chemie 1991-11, Vol.192 (11), p.2733-2739
Hauptverfasser: Kapur, Gurpreet Singh, Brar, Ajaib Singh
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description Acrylonitrile/butyl methacrylate (A/B) copolymers were prepared in bulk with different comonomer feed ratios. The copolymer composition obtained from the total nitrogen content was used for calculating the reactivity ratios. Information about sequence distributions was obtained from 13 C NMR spectroscopy. The relative amounts of A‐ and B‐centred triads were evaluated by using nitrile (CN) and carbonyl (CO) carbon resonances, respectively, and have been found to be in a good agreement with those expected theoretically.
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title Microstructure determination of acrylonitrile/butyl methacrylate copolymers using 13 C NMR spectroscopy
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