Polyamidobenzimidazoles derived from 3,3′,4,4′-tetraaminodiphenyl ether, diphenyl esters of aliphatic and aromatic dicarboxylic acids, and ɛ-caprolactam were prepared by solid-phase polycondensation. The relative degree of crystallinity, imparting the plasticity to the polymers as compared to the corresponding polybenzimidazoles, was determined by X-ray phase analysis.
Russian Journal of Applied Chemistry – Springer Journals
Published: Sep 26, 2008
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