Synthesis of Semiaromatic Polyguanamines from Tetraazacalix[2]arene[2]-triazine Dichloride with Aliphatic Diamines

Abstract

High molecular weight tetraazacalix[2]arene[2]triazine-containing polyguanamines (c-PGs) were successfully prepared by the heterogeneous polymerization of tetraazacalix[2]arene[2]triazine dichloride with α,ω-alkylene diamines, and the properties were evaluated in detail to elucidate the interaction between the azacalixarene structure within the film. The prepared c-PG polymers showed superior thermal, mechanical, and optical properties compared with a PG polymer without the azacalixarene units. By the structural analysis, it was revealed that the c-PG film was effectively reinforced by a randomly oriented azacalixarene - azacalixarene interactions, which realized the above-mentioned unique properties.