Abstract
AbstractNovel aromatic polyamides, having inherent viscosities of 0.76‐2.31 dL/g, were synthesized by the low temperature solution polycondensation of a new highly phenylated diamine monomer having an imidazolinone group, 1,3‐bis(4‐aminophenyl)‐4,5‐diphenylimidazoline‐2‐one (TPIDA), with various aromatic diacid chlorides. All the polymers were amorphous, and most of the polyamides were readily soluble in organic solvents such as N‐methyl–2‐pyrrolidone, N,N‐dimethylacetamide (DMAc), and m‐cresol. Flexible and tough films could be prepared from the DMAc solutions of these soluble aromatic polyamides. The glass transition temperatures and 10% weight loss temperatures under nitrogen of the polyamides were in the range of 275–315°C and 430–505°C, respectively. © 1995 John Wiley & Sons, Inc.
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