Conclusions
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1.
Complexes of ethylenimine with zinc chloride with various coordination numbers (from 1 to 4) were produced. In the IR spectra of all the complexes of ethylenimine, unambiguous shifts of the bands of the valence vibrations of the N-H and C-H bonds were noted.
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2.
The thermal polymerization of complexes of ethylenimine leads to polyethylenimines of different degrees of branching, determined by the structure of the complexes and the increased activity of the N-H bonds.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1931–1933, September, 1972.
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Nametkin, N.S., Sorokin, G.V., Kuz'yants, G.M. et al. Complexes of ethylenimine with zinc chloride and their thermal polymerization. Russ Chem Bull 21, 1874–1876 (1972). https://doi.org/10.1007/BF00854595
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DOI: https://doi.org/10.1007/BF00854595