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J. Żurakowska-Orszagh, A. Orzeszko

The effect of the chemical composition of aromatic diamines

on the chemical cyclization process of polyamidoacids

Polimery 1980, No 11, 395

DOI: dx.doi.org/10.14314/polimery.1980.395


Polypyromellitamidoacids prepared from pyromellitic anhydride and eight amines have been investigated. The course and results of the cyclization reaction have been followed by IR-spectroscopy. The effect of the basicity of he amide nitrogen on the results of this process has been stated.

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