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Dibenzyl structure on the macromolecular chain—IV. Polyureas and poly(parabanic acid)s

Authors
Journal
European Polymer Journal
0014-3057
Publisher
Elsevier
Publication Date
Volume
29
Issue
7
Identifiers
DOI: 10.1016/0014-3057(93)90299-u
Disciplines
  • Earth Science

Abstract

Abstract Polyureas with the dibenzylic system on the macromolecular chain are considered. The behaviour of these polyureas during cyclization with oxalyl chloride, leading to polyparabanic derivatives, was studied. The influences of polymer structures and reaction conditions on the heterocyclization is discussed. All the polymers were characterized by elemental analyses, inherent viscosities, i.r. spectra and thermogravimetric analyses.

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