Summary
Copolymers of N-(2-hydroxyethyl)ethyleneimine and succinic anhydride without initiator were prepared under different experimental conditions. The composition of the copolymers was determined by elemental analyses and1H-NMR spectroscopy. From the results of FT-IR and1H-NMR spectroscopy a scheme of copolymerization via zwitterion is presented which includes an esterification reaction of the pendant hydroxylic groups.
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Pooley, S.A., Canessa, G.S., Rivas, B.L. et al. Copolymerization without initiator ofN-(2-hydroxyethyl)ethyleneimine with succinic anhydride. Polymer Bulletin 35, 271–277 (1995). https://doi.org/10.1007/BF00963123
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DOI: https://doi.org/10.1007/BF00963123