, Volume 19, Issue 1, pp 13-19

New synthesis of linear polyethyleneimine

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Summary

Linear polyethyleneimine was synthesized by the cationic ringopening polymerization of N(2-tetrahydropyranyl)aziridine, followed by acidic hydrolysis of the corresponding substituted polyamine. The linear structure of the end product was proved by 13C-NMR spectroscopy and by its physical properties. Molecular weights up to 25,000 were obtained.