FIELD: chemistry.
SUBSTANCE: disclosed is a method of producing N-phenyl-substituted acyclic polyimides, involving reaction of aromatic imidoyl chlorides with dicarboxylic acids of formula HOOC-R'-COOH, where R' = n-C6H4, m-C6H4, (n-C6H4)2O at 120-140°C for 6-9 hours.
EFFECT: obtaining N-phenyl-substituted acyclic polyimides based on stable, non-toxic and readily available monomers, considerable increase in molecular weight of the polymer, which enables to obtain strong film and moulding materials.
1 cl, 2 tbl, 4 ex
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