Abstract
AbstractThe synthesis of aromatic poly(amide‐thioether)s by reaction between 4,4′‐thiodianiline, 4,4′‐thiodibenzoic acid and 4‐(4‐aminophenylthio)benzoic acid is studied. Depending on the initial monomer ratio, polymers with head‐to‐head, head‐to‐tail or statistical distribution of amido groups along the polymer chains were obtained. Corresponding triads effects were observed in the 1H NMR spectra and assigned. The synthesis of the same aromatic poly(amidethioether)s by reaction between dichlorobenzanilides and Na2S is also studied. Only the Cl substituents in para position to a carbonyl groups are reactive and a head‐to‐head poly(amidethioether) was obtained by reaction of N,N′‐thiobis(1,4‐phenylene)‐di‐4‐chlorobenzamide (2f) with Na2S.
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