Novel features of copoly(vinylacetate-maleic anhydride) microstructure |
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| Authors: | AG Filimoshkin VF Kosolapova EM Berezina |
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| Institution: | a Tomsk State University, pr. Academicheskii, 3, Tomsk 634021, Russia
b Institute of Petroleum Chemistry SB RAS, pr. Academicheskii, 3, Tomsk 634021, Russia |
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| Abstract: | The microstructure of vinylacetate-maleic anhydride copolymer is investigated by UV, IR, 1H, and 13C NMR methods alongside with quantum-chemical calculations. The macromolecules of the equimolar copolymer are found to consist of the sequence of comonomer units. As soon as the copolymer interacts with atmospheric water and solvents, 2,5-dihydroxyfuran derivatives stabilized by hydrogen bonding are formed in the copolymer macromolecules owing to cycloanhydride-enolic tautomerism. These derivatives are quasi-aromatic by their nature. |
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