Characterization of Polyethylenimine
- 1 October 1970
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science: Part A - Chemistry
- Vol. 4 (6) , 1301-1314
- https://doi.org/10.1080/00222337008081731
Abstract
Polymerization of anhydrous ethylenimine proceeds to completion with destruction of the terminal 1-aziridinyl group at relatively low molecular weight. In the absence of evidence for end groups, it is suggested that the chain terminating process is the formation of large rings composed of repeating CzHs N units. Information is given on the various intermediates present in the early stages of polymerization of ethylenimine and on analytical techniques for determining the degree of branching in polyethylenimine.Keywords
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