Synthesis of polypyromellitimidoamides from dihydrazides of aromatic and aliphatic acids and pyromellitic dianhydride |
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| Authors: | V. V. Korshak L. S. Fedorova K. K. Mozgova |
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| Affiliation: | (1) Institute of Heteroorganic Compounds, AS USSR, Moscow |
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| Abstract: | Polyamido acids have been synthesized from pyromellitic dianhydride and dihydrazides of terephthalic, isophthalic, sebacic, and adipic acids. The polyamido acids obtained have been cyclized at 220° C, and it has been shown by IR spectroscopy that the polymers contain five-membered imide rings. |
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