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Synthesis and characterization of novel polyurea-imides

✍ Scribed by Yu Yang; Zhengliang Zhi; Xujie Yang; Lude Lu; Xin Wang


Book ID
108318625
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
227 KB
Volume
34
Category
Article
ISSN
0014-3057

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## Abstract In the present work, a series of aromatic/aliphatic co‐polyureas have been synthesized from 4,4‐diphenylmethane diisocyanate (MDI), __m__‐phenylene diamine (__m__‐PDA), and 1,6‐diaminohexane (HDA) in DMAc by a two‐stage solution polymerization route. Characterizations of the polyurea pr