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15N NMR spectroscopy 29. Oligo- and polyethylene imine

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Summary

The 9.12 MHz 15N NMR spectrum of an industrially produced polyethylene imine displays six signals indicating a high degree of branching. Various mono- and oligo-amines as well as their hydrochlorides were measured in water, and structure/shift relationships are discussed. The relatively low sensitivity of the nuclear Overhauser effect of oligo- and polyethylene imine to paramagnetic cations is demonstrated and explained by strong complexation of the cations.

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Authors and Affiliations

  1. Institut für Makromolekulare Chemie der Albert-Ludwigs-Universität, Hermann-Staudinger-Haus, Stefan-Meier-Straße 31, 7800, Freiburg i.Br., Germany

    Hans R. Kricheldorf

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  1. Hans R. Kricheldorf
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In honour of Prof. Dr.Drs.h.c.mult. G. V. Schulz on the occasion of his 75th birthday

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Kricheldorf, H.R. 15N NMR spectroscopy 29. Oligo- and polyethylene imine. Polymer Bulletin 3, 53–60 (1980). https://doi.org/10.1007/BF00263205

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  • DOI: https://doi.org/10.1007/BF00263205

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