The synthesis of polyimides of pyrazine tetracarboxylic acid View Full Text


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Article Info

DATE

1968-08

AUTHORS

V. V. Korshak, G. M. Tseitlin, A. I. Pavlov, T. G. Pogorelova, V. A. Smirnova

ABSTRACT

ConclusionsPyrazine tetracarboxylic acid was synthesized by the oxidation of phenazine, and on treatment with acetic anhydride gave a dianhydride.The condensation of pyrazine tetracarboxylic acid anhydride with 4,4′-diaminodiphenyl ether in dimethylformamide solution led to the synthesis of a polyamidoacid, soluble in amide type solvents.By thermal treatment of polyamidoacid films under vacuum a polyimide was obtained having a decomposition point in air beginning at ∼350°. More... »

PAGES

1811-1812

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf01169909

DOI

http://dx.doi.org/10.1007/bf01169909

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1031547971


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