Abstract
Abstract Microstructure of acrylate‐methacrylate copolymers can be determined in detail by means of 13 C nuclear magnetic resonance (NMR) spectroscopy. Several signals in the 13 C NMR spectra of such copolymers are sensitive to compositional and conformational differences in the macromolecular chain. However, only the carbonyl and β‐CH 2 carbons from the main chain provide complete and complementary information on distribution of configurational–compositional sequences, since only these two carbons are present in all (meth)acrylate units. Carbonyl signal is the source of information on distribution of odd sequences, usually up to configurational–compositional pentads. Complementary information, on distribution of even sequences, can be derived from the signal of β‐CH 2 carbons of the main chain. Spectral simulation can verify the signal assignment to respective sequences and incremental calculations of the chemical shifts of individual sequences were found to be useful for both carbonyl and methylene signal.
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