The 13C NMR spectrum of a radically initiated sample of poly[(-)-menthyl methacrylate] was studied in different solvents at different field strengths. Resonance assignments were made by comparison with suitable high and low molecular weight model compounds and from 13C dynamic measurements. The splittings of the carbonyl signal were attributed to pentad stereosequences, thus allowing us to demonstrate a slightly predominating syndiotactic arrangement of monomeric units. 13C dynamic measurements are in agreement with an isotropic overall tumbling model.

13C NMR study of poly[(-)-menthyl methacrylate]

SOLARO, ROBERTO;ALTOMARE, ANGELINA
1990

Abstract

The 13C NMR spectrum of a radically initiated sample of poly[(-)-menthyl methacrylate] was studied in different solvents at different field strengths. Resonance assignments were made by comparison with suitable high and low molecular weight model compounds and from 13C dynamic measurements. The splittings of the carbonyl signal were attributed to pentad stereosequences, thus allowing us to demonstrate a slightly predominating syndiotactic arrangement of monomeric units. 13C dynamic measurements are in agreement with an isotropic overall tumbling model.
Solaro, Roberto; Altomare, Angelina
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/12753
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