Abstract
The present paper is devoted to the synthesis and investigation of polymers obtained by the condensation of aromatic dianhydrides with aromatic di- and tetra-amines. The synthesis of copolymers including both imide and also aroylenebenzimidazole links in the macromolecular chain has made it possible to obtain new materials stable at high temperatures and having semiconductor properties. Copolycondensation gave rise to the possibility of regulating the physico-chemical properties of the copolymers through the controlled change in the ratio between the di- and tetra-amines. A comparison is made in the work between the properties of copolymers and homopolymers, namely poly(arylene-bis-benzimidazole) and poly(arylene-bis-benzimide) whose synthesis and properties we have described previously [1–3].
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